Shak joined RSEG in 2016 and is part of the Mid-Continent team, focusing on Oklahoma. He contributes to play characterization, company valuations and financial modeling. Shak previously worked as a summer analyst on the corporate development team at Lundin Mining and Harvest Portfolios Group. Shak graduated from Queen’s University with a bachelor of commerce in finance and is currently enrolled in the CFA candidate program.
Howell S. Atkins (Sean) is Vice President of Environmental, Health, and Safety (EHS) Resources organization for EnLink Midstream. In this role, he oversees and supports the proactive management of risks and compliance as part of the company’s comprehensive EHS strategy. Atkins has been successful in tackling complex technical issues by developing effective systems and strategies to drive desired outcomes. Throughout his career, he has been actively involved in compliance leadership and organizational development, culture development, mergers and acquisitions, management information systems and processes, enforcement settlements, compliance and technical skills training program development, investigation, auditing, and risk management. Atkins has over 25 years of EHS, DOT, and technical leadership experience in the energy industry. Since joining the company 2004, he has held multiple leadership roles within various technical service fields, including workflow management, geographic information systems (GIS), pipeline integrity, and EHS. He became Vice President of EHS in 2010. Atkins graduated from Sul Ross State University with a Bachelor of Science in biology and a minor in chemistry.
Tony Barrett is the Vice President of Exploration for Continental Resources. In his role, Mr. Barrett oversees exploration and development activities for the company. Mr. Barrett has more than 35 years of industry experience in both conventional and unconventional reservoirs. He joined Continental Resources in 2013 and was responsible for directing various exploration projects throughout North America. Before joining Continental, Mr. Barrett served as Regional Geologic Manager for Cimarex Energy in Tulsa. Prior to that, he served in various roles over a 23 year period for EOG Resources, most recently serving as Division Exploitation Manager for the Mid-Continent Region. Mr. Barrett holds a BS Degree in Geology from the University of Oklahoma.
Mr. Beck has over 20 years’ experience in energy and financial services including stints with Jefferies and Company and Moody’s Investor Service. Before joining Stratas Advisors, he held a leadership position with IHS Markit. Stephen’s responsibilities include leading the North American Shale Team in developing production forecasting and economic models. He is also involved in broader short-term and long-term forecasting efforts. Stephen received a bachelor of science in finance (minor in economics) from The Pennsylvania State University. He is a former member of the United States Marine Corps where he held the rank of Gunnery Sergeant.
Bio Coming Soon!
Greg Casillas is President and Chief Executive Officer of Casillas Petroleum Corp.
A native of Oklahoma, Greg graduated from Oklahoma State University in 1983 with a bachelor’s degree in Geology. Prior to incorporating Casillas Petroleum Corp in 1986, Greg worked for a local independent oil and gas company in Tulsa, OK.
During his 32-year tenure as President, Greg has expanded and diversified Casillas Petroleum by focusing on exploration and development activity in the Mid-Continent. His technical expertise combined with his core values has lead Casillas to become one of the most respected private companies in the industry.
Casillas employs over 100 employees in multiple operating areas including the Anadarko Basin of Oklahoma and the Hugoton Embayment of Kansas. The company currently operates approximately 1,000 wells in these operating areas.
Greg is currently on the Board of Advisors for the Oklahoma State University’s Geology department and is devoted to promoting education and building a better community for his fellow Oklahomans.
Bio Coming Soon
Prior to joining Kingfisher Midstream, LLC Mr. Collins served as Senior Vice President and Chief Operating Officer of the general partner of Western Gas Partners. He previously served as Director of Midstream Engineering for Anadarko Petroleum Corporation, during which time he was responsible for the engineering and construction of midstream infrastructure for Anadarko and Western Gas. He joined the Anadarko midstream organization in 2010, where he led commercial development activities in the Eagle Ford shale, and was promoted to General Manager, with commercial responsibilities for midstream assets located in Texas, New Mexico, Kansas, Louisiana, and Pennsylvania. After joining Anadarko in 2003, Mr. Collins also held positions of increasing responsibility in Treasury and Corporate Development. Mr. Collins holds a Bachelor of Science in Chemical Engineering from Texas A&M University and a Master of Business Administration from Rice University.
Bio Coming Soon
Prior to joining LongPoint, Cullen served in various capacities for Shell beginning in 2007 as a Development Economist followed by a placement into Shell’s A&D group as Manager M&A and Commercial Finance. In 2015, Cullen was appointed as MLP Business Analysis Lead. Before his career with Shell, he owned and operated Highland Minerals & Royalties and was in Institutional Sales with Petrie Parkman. He joined the FourPoint Energy team in 2016, as the Vice President of Business Development and immediately helped the team launch LongPoint Minerals, closing over 145 successful transactions within the first year. Cullen holds a Bachelor of Fine Arts from Montana State University and an MBA and a MS in Finance from the University of Denver.
David Cundiff is the MidCon Area Technical Sales Manager of Completion Products for Weatherford International. He started his career as a Field Engineer in East Texas and has held management positions in Operations, Marketing, and Sales in the MidCon, Permian and Gulf Coast during his 28 years in the Oil and Gas industry. He earned his B.S. in Mechanical & Mechanical Design Engineering/Technology from Oklahoma State University.
Charles Duginski joined Tapstone Energy, Inc. as Senior Vice President and Chief Operating Officer in February 2017. Mr. Duginski has more than 23 years of experience in the oil and natural gas industry. Prior to joining Tapstone, from July 2016 to February 2017, he served as Chief Operating Officer of Echo Energy LLC, a privately held company. Mr. Duginski served as Vice President, Southern Region Production for Continental Resources, Inc. from October 2013 to June 2016. From 2004 to 2013, Mr. Duginski served in various leadership roles for Chesapeake Energy Corporation assets, including Haynesville/Barnett Business Unit, Arkoma/Ardmore District and the Gulf Coast District. Mr. Duginski holds a Bachelor of Science in Mechanical Engineering from the University of Oklahoma. He is a member of the Society of Petroleum Engineers, and the Industry Advisory Board for the Mewbourne School of Petroleum and Geological Engineering at the University of Oklahoma.
Luke Essman is the President and Chief Executive Officer (CEO) of Canyon Creek Energy-Arkoma, LLC (CCEA) a Tulsa based oil and gas company. CCEA is a joint venture between Vortus Investment Advisors a Fort Worth, TX private equity firm and private investors to develop assets located in Oklahoma’s Arkoma Basin. Prior to forming Canyon Creek Energy-Arkoma, in 2014 Essman partnered with ArcLight Capital Partners, a Boston, MA private equity firm, to form Canyon Creek Energy Partners and sold its assets to an unnamed public company in 2015. In 2012 Essman founded Canyon Creek Resources focusing on exploiting conventional assets in the Mid-Continent region until the company’s sale in 2014. Prior to founding his energy companies, Essman spent ten years in commercial banking with Bank of Oklahoma and Summit both operating in Tulsa, Oklahoma. Essman was named a Top 40 Under 40 professional in Oklahoma by Oklahoma Magazine in 2014 and a Top 30 Under 40 by Oil and Gas Investor Magazine in 2016. Mr. Essman is a graduate of Leadership Tulsa Class 49. Essman currently serves on the Board of the Oklahoma Independent Petroleum Association (OIPA) and he is currently the Board President of The Indian Healthcare Resource Center a non-profit serving the medical needs of Oklahoma’s Native American population. Essman is a graduate of Oklahoma State University with a B.S. in Finance.
A proud alumni of Oklahoma State University, Geoff Hager began his career in 2002 as an applications engineer. Over the next 10 years, Geoff worked in a variety of technical sales and regional account management roles in the process control industry before entering the pipeline equipment manufacturing business as a commercial business director in 2011. In 2014, Geoff founded Big Elk Energy Systems and currently serves as the company’s CEO. Big Elk manufactures large scale pipeline measurement and integrity equipment, and serves the energy industry on a global scale. In less than 4 years, the company has increased in employment to roughly 100 people and over $30 million in revenue. Big Elk was recently recognized by Inc. Magazine as the fastest growing company in Oklahoma and the fastest growing manufacturer in America. The company was named after Hager’s third great grandfather, a chief of the Osage tribe born in 1852 named Opontonga, translated “Big Elk.” In January of 2018, Big Elk launched M3 Energy Services, a service company focused on in-field meter verification for large flow natural gas meters. Geoff is active in multiple industry organizations and is a former President and Director of the Tulsa Pipeliners Club. He now serves the club as Chair of the Scholarship Committee which gave approximately $200,000 in scholarships this year. Geoff is actively engaged in the Tulsa Regional Chamber, chairing the Energy Legislative Task Force which is responsible for drafting the state and federal energy initiatives lobbied at both the Oklahoma state capitol as well as Washington D.C. In 2017, Geoff was recognized nationally in Oil & Gas Investor Magazine’s list of Forty under 40. Geoff also serves on the board of Orphan Secure, a non-profit organization that works with international law enforcement agencies and other NGOs to identify and rescue victims of human trafficking, and specializes in countering child sex trafficking.
Mr. Hallen, co-founded Pronghorn Logistics along with Stephen White. Mr. Hallen joins Pronghorn from RockPile Energy Services, a leading oilfield services provider acquired by the Keane Group (NYSE:FRAC). At RockPile, Mr. Hallen served as Director of Corporate Development, focused on mergers & acquisitions, corporate strategy, capital structuring, and firm growth initiatives. Prior to RockPile, Mr. Hallen worked as a management consultant for Booz & Company, a premier global management consultancy acquired by PWC in 2014. As a key member of the firm’s global oil and gas team, Mr. Hallen’s advised clients across the oil and gas value chain on a wide range of topics including strategy development, performance transformation, portfolio management, and M&A strategy and execution. Mr. Hallen holds an MBA from the University of Texas and a Bachelor of Science and a Bachelor of Arts from California Polytechnic State University – San Luis Obispo. He has also completed the Petroleum Super School Certificate Program at the Colorado School of Mines.
Nathaniel Harding has an extensive background in petroleum engineering, management and statistical modeling. He oversees engineering, operations, geo-science, financial analysis, planning, and partner relations. Nathaniel’s experience in unconventional drilling & completions led to his bringing horizontal development to Antioch’s predecessor, H&S, in 2010, drilling 20 wells in 3 years, and exiting for $120mm.
Nathaniel’s previous experience includes Encana, Occidental, Burlington Resources, and Marathon in unconventional plays of California, Colorado, West Texas and Wyoming in reservoir, drilling, completions and production engineering. Nathaniel developed a stochastic prospect analysis program and trained corporate A&D at EnCana. His experience includes field-level operations in multi-well pad drilling & completions, and developing drilling prognoses for wildcat fields. He has managed field asset teams with $10mm+ LOE budgets, and successfully designed and implemented cost & performance optimizing protocols. For his work in horizontal drilling & completions, and in statistical analysis, he has been published in SPE, Oil & Gas Monitor, and China Petroleum Exploration.
Nathaniel is a licensed Professional Engineer, and a University of Oklahoma cum laude graduate in mechanical engineering (BS) and Russian (BA), and an MBA from Oklahoma City University. He is a decorated Air Force captain, having served at NATO HQ in Afghanistan. In 2015 the Journal Record recognized Nathaniel as one of Oklahoma’s most admired CEOs. He is a board director for the OK Independent Petroleum Assoc, the Harold Hamm Diabetes Center, and Oklahoma Contemporary, among other business and community organizations.
Before Aubrey Harper founded 4AM Midstream, he served as vice president of pipeline business development for PLH Group, a leading provider of construction, maintenance, engineering and system integrity services to the energy industry in North America. Aubrey has more than 40 years of experience in the pipeline industry. Previously, he was vice president of midstream services for IPS Engineering in Tulsa, Oklahoma, and held senior-level positions with Eastern Washakie Midstream. As president of Eastern Washakie, he managed gas long-haul pipeline transportation volumes and contracts and third-party gas-gathering contracts, as well as gathering and mainline pipelines, compressor stations and central delivery plants. As Eastern Washakie’s vice president of operations, he managed a natural gas production field of 72 wells producing 65 MMCFPD, six water injection wells and the drilling and completion of 24 new natural gas wells. Aubrey has also worked for Double Eagle Petroleum and Willbros.
Blake Harris, chief operating officer of Case Energy Partners LLC and its CEP Minerals LLC unit, is a petroleum landman focused on the company's mineral and royalty acquisitions throughout the country. After graduating from Texas A&M University, he joined Laredo Petroleum Inc. in its Permian Basin operations, where he gained knowledge of the production side of the industry as a lease operator. Prior to joining Case, he worked as an independent landman in East Texas, performing title research, due diligence and lease acquisitions for a large independent operator. Harris served in the U.S. Marine Corps beginning before and while attending Texas A&M, completing his service as a sergeant. He is an active member of the American Association of Professional Landmen and of the Young Professionals in Energy organization. He is also a board member of the veterans non-profit, Cowtown Warriors.
Wade Hutchings, is senior vice president of exploration and production. He is responsible for the Anadarko Basin and Texas business units, as well as exploration, new ventures and reservoir technology and optimization. Hutchings came to Devon in 2017 from Marathon Oil, where he served in positions of increasing responsibility, most recently as midcontinent regional vice president. He holds a bachelor’s degree in geology from Brigham Young University and a master’s degree in geology from the University of Texas. Hutchings is chairman of the Oklahoma Oil and Gas Association and a board member of the Oklahoma Energy Resources Board. He also is a member of the American Association of Petroleum Geologists.
Stephen Ingram is a highly adaptable leader across Halliburton’s North America operating area. Mr. Ingram is responsible for executing the available and soon to be available technologies, solutions, and innovations to collaborate and maximize customer assets, across exploration, drilling, completion and production domains. Halliburton targets Unconventionals, Deepwater and Mature Fields within the North America operation.
Mr. Ingram obtained a BS in Chemical Engineering from the University of Missouri - Rolla, and MS degrees from the University of Oklahoma in both Natural Gas Engineering and Business Administration.
Chris Johnson is the global Product Line Director for Unconventional Completion Technologies. Most recently, Chris was the Operations Director for North America Land’s Completions and Well Interventions business. Prior to this he held operational roles for the Permian and MidCon businesses of Baker Hughes. He started his career as a design engineer and holds a number of patents for technologies used in the unconventional completions portfolio. Chris has worked in Engineering, Sales, and Operations for Completions and Well Interventions. He earned a Bachelor degree in Mechanical Engineering from Lamar University and an MBA from the University of Houston.
Josh Lawson currently serves as Vice President of Operations for Gulfport Energy’s Midcontinent division. Mr. Lawson has spent the past two years helping build a first-class operation for the company’s recently-acquired SCOOP assets. Prior to his current role, he served in a variety of capacities ranging from providing technical engineering solutions, leading personnel in both corporate and field environments, and managing all aspects of corporate engineering. Mr. Lawson began his career in Northern Louisiana as a field engineer upon graduating from the University of Oklahoma in 2005. He has had the opportunity to build operations from the ground level in multiple conventional and unconventional plays across the country.
Erik is the Vice President of Marketing at Covia Holdings Corporation. Prior to Covia, Erik served seven years in the US Army as an intelligence officer, having served overseas tours in both Iraq and Afghanistan, as well as supporting numerous stateside missions. After his time in the Army, Erik worked in customer service and strategic pipeline planning.
Prior to joining the firm in 2012, Mr. Petrie was Vice Chairman of Bank of America Merrill Lynch. Previously, he was a co-founder of Petrie Parkman & Co. Mr. Petrie was a former Managing Director and Senior Oil Analyst of The First Boston Corporation. During his career, Mr. Petrie has been an active advisor on more than $250 billion of energy related mergers and acquisitions, including many of the largest in the industry. Among his other assignments, Mr. Petrie led the teams that advised the Kingdom of Saudi Arabia on its natural gas initiative, the State of Alaska on gas pipeline options, and the U.S. Department of Energy on the sale of the Elk Hills oilfield. Mr. Petrie has a Bachelor of Science degree from the United States Military Academy at West Point and received his Master of Science in Business Administration from Boston University. In December 2005, Mr. Petrie received an Honorary Doctorate of Engineering degree from the Colorado School of Mines. He is also a member of the CFA Institute.
Arturo Puigbo serves as the Vice President Sales & Technology for the Natural Gas Division of Linde Engineering North America (LENA) located in Tulsa, OK. In this role, he oversees the business development, proposals, product management and front-end engineering activities of the natural gas product line for LENA. Arturo is a professional in the oil and gas industry with over 25 years of experience. Prior to joining LENA, Arturo worked at Petroleos de Venezuela (PDVSA), Bechtel Corporation, Merichem Chemicals, Exterran and Cameron/Schlumberger. Arturo has a BS in Mechanical Engineering from Universidad Simon Bolivar, Caracas, Venezuela and a MSc in Chemical Engineering from University of Minnesota. He is also a coauthor of two US patents.
Mark Prewitt is Sr. Director of Safety, PSM, and Physical Security for DCP Midstream. In this role, he oversees and supports the personal and process safety risk programs as well as physical security across DCP’s enterprise. Mark came to DCP Midstream in 2011 from NuStar Energy where he served in positions of increasing responsibility within the EHS organization and was a leader in driving safety culture and performance. Mark has over 25 years of EHS experience in the energy industry with leadership roles in environmental compliance, pipeline integrity management, pipeline compliance, PSM/RMP compliance, process safety risk, EHS audit programs, and personal safety including stewarding several facilities to OSHA VPP Star status. Mark graduated from the University of Houston with a Bachelor of Science degree in Chemical Engineering.
K. Earl Reynolds joined Chaparral in 2011 as an executive vice president and chief operating officer before being named as the company’s president in 2014 and its chief executive officer in 2017. From 2000 to 2010, Mr. Reynolds led the International Business Unit and was actively involved in strategic planning for Devon Energy, most recently serving as senior vice president of strategic development, where he was responsible for strategic planning, budgeting, coordination of acquisitions and divestitures, and oversight of the company’s assessment of oil and gas reserves. Prior to Devon, Mr. Reynolds’ career included several key leadership roles in domestic and international operations with companies such as Burlington Resources and Mobil Oil. Mr. Reynolds has served on the board of directors for several nonprofit organizations in Houston and Oklahoma City. He currently sits on the board of directors for the Oklahoma City YMCA and the Oklahoma Independent Petroleum Association, where he serves as the Chairman of its Legislative Committee. Mr. Reynolds holds a Master of Science degree in petroleum engineering from the University of Houston and a Bachelor of Science degree in petroleum engineering from Mississippi State University. In 2013 he was named as a Distinguished Fellow of the Mississippi State University Bagley College of Engineering.
Tauna Rignall is the director of operations for the newly established Integrated Collaboration Center at DCP Midstream accountable for asset system optimization, field management, and integrated business decisions. Since joining DCP Midstream in 2012, Tauna has been responsible for project development, execution, start-up, and day to day operations, while spending time as an engineer in the project execution group, and more recently serving as an operations supervisor for 3 of DCP’s gas processing plants in the Denver-Julesburg Basin. With over 15 years of diverse experience in both the oil and gas and renewable energy industries, Tauna has experience with first principles research, process design, large project coordination and execution, along with publishing technical papers in peer reviewed journals.
Tauna has a bachelor’s degree in Chemistry from Adams State College and a master’s degree in Chemical Engineering from the Colorado School of Mines. She currently resides in Denver, Colorado
Jay Salitza joined KeyBanc Capital Markets Inc. in 2015 and is currently a Managing Director in the Oil and Gas Investment Banking group based in Houston. Mr. Salitza’s preliminary focus is corporate finance and advisory for both public and private upstream E&P operators. Throughout his career, he has had opportunities to advise and execute on transactions involving mergers & acquisitions, divestitures, structured transactions and leveraged finance, leveraged buyouts, and both public and private debt and equity capital transactions.
Prior to joining KeyBanc, Mr. Salitza was employed with both Scotiabank and Bank of America for an aggregate 15 years. Mr. Salitza holds a Bachelor of Business Administration degree in Finance and Economics from Southern Illinois University where he graduated Cum Laude, and a Master of Business Administration from the Warrington College of Business Administration at University of Florida where he graduated With Honors.
Amy Shank is the Director of Pipeline Safety & Asset Integrity for Williams. Her responsibilities span Pipeline Regulatory Compliance as well as Pipeline Integrity, Pipeline Risk and Mechanical Integrity. She began her career with Mobil Oil as plant engineer and held both Operations support and Project Management positions. She joined Williams in 1998. Amy has 30 years of experience with 20 of those at Williams. She has held multiple leadership positions in Engineering & Construction and Technical Service. Much of her time in E&C has been dedicated to developing and building large scale pipeline and petrochemical infrastructure projects in both the US and Canada. She received a BS in Mechanical Engineering from the University of Oklahoma and a MBA from Oklahoma City University.
Jeff Sieler is a managing director in the global energy group of Citigroup Investment Bank. Sieler joined Citi as its A&D team's founding member and moved to the investment-banking team to increase technical emphasis across the broader coverage of Citi energy investment-banking. Prior to joining Citi, Sieler was the leader of Marathon Oil Corp.'s reservoir-performance team and champion of its Eagle Ford integrated project team. His 28 years with Shell Oil Co. culminated at the vice president level as manager of the subsurface and well technologies team and as a member of the major's research and development council. Sieler received his M.S. in Petroleum Engineering from Tulane University and B.S. in Chemical Engineering from the University of North Dakota.
Mrs. Smith has served as CFO at Vista Proppants and Logistics since May 2017. Prior to her role as CFO, Mrs. Smith served as Vista’s Chief Accounting Officer. Before joining Vista in August 2016, Mrs. Smith spent over 10 years in public accounting at Whitley Penn where she served a variety of clients within the energy and mining industries.
Mr. Storm currently serves as the President and CEO of Tecolote Energy in Tulsa, Oklahoma. Tecolote was founded in May of 2015 with equity from its partners and private equity backing from NGP of Dallas. Tecolote operates over 1,200 wells in the Western Anadarko Basin and currently employs ninety people in Tulsa and its Field Office in Canadian, Texas. Mr. Storm holds a Bachelor’s of Science Degree with Honors in Geology from the University of Arkansas in Fayetteville, where he has endowed a Chair of Petroleum Geology in the Department of Geology. He also serves on the Board of Advisors for the Department, as well as the Campaign for the 21st Century Steering Committee.
Mark Sutton is president and CEO of GPA Midstream and is responsible for the strategic leadership of the midstream industry organization. Sutton also serves as secretary of GPA Midstream’s sister organization, the Gas Processors Suppliers Association (GPSA). He joined GPA Midstream in 1982 as director of technical services. In that role he oversaw and provided direction to GPA Midstream’s technical and research activities, including committees, publications and standards. Sutton was elected secretary in 1987 and was elected as GPA Midstream’s executive director in 1991. His title changed to president and CEO in 2013. Prior to joining GPA Midstream, Sutton worked for Mid America Pipeline Company from 1980 to 1982. He holds a Bachelor of Science in mechanical engineering from Oklahoma State University.
Will Ulrich is the co-founder and co-CEO of Presidio Petroleum LLC. He has over 12 years of energy experience, previously as head of corporate development and strategic planning for Atlas Energy, a family of public and private upstream and midstream companies. Ulrich helped grow the Atlas family of companies to an enterprise value of nearly $10 billion, generating close to $1 billion of EBITDA. During his career, he has directly done more than $20 billion of energy mergers, acquisitions, divestitures and joint ventures. He graduated from Harvard College with a degree in Economics.
Josh Walker joined Chaparral in 2018 as vice president of completions and operations, where he oversees the company’s completions and production activities. Before joining Chaparral, Mr. Walker served as the innovation manager at Chesapeake Energy, where he assembled and led a team focused on operations research and development, new and emerging technologies and data analytics. While at Chesapeake, Mr. Walker also served as the completions manager for the company’s Mid-Continent, Eagle Ford, Utica and Marcellus plays, as well as in various other operational roles. Prior that time, Mr. Walker worked for Legend Natural Gas as a drilling, completions and production engineer and Anadarko Petroleum, where he held a number of operations positions of increasing importance. Mr. Walker holds a Bachelor of Science degree in petroleum engineering from the University of Oklahoma and an Executive MBA in energy from the University of Oklahoma’s Price College of Business.
Nick Woodruff joined RBC Richardson Barr in 2013 and has more than 10 years of investment banking and industry experience devoted exclusively to the energy industry. Mr. Woodruff’s primary focus at RBC is leading asset divestitures, corporate level acquisitions, and strategic advisory assignments for clients in the upstream sector. Prior to RBC, Mr. Woodruff started his career with ExxonMobil serving in a variety of engineering, planning and gas marketing roles in the U.S. Mr. Woodruff earned a B.S. in Engineering from Purdue University and an M.B.A. from Rice University. Mr. Woodruff has led 14 transactions in the SCOOP / STACK / MERGE since 2016 totaling over $3 billion.