• Hart Energy Conferences Speaker Peter Allen

    Peter Allen

    Eagle Resources Group LLC
    Senior Vice President, Operations

    Bio coming soon!

  • Calvin Cahill

    Calvin Cahill

    Calyx Energy III LLC
    President & CEO

    With over 40 years’ experience in the oil & gas industry, Calvin has been involved in almost every aspect of the business including stimulation designs and implementation with Dowell (now Schlumberger) as a field engineer, ultimately leaving Dowell the area engineering manager for the western United States. Calvin has been involved in planning and drilling hundreds of horizontal wells in the United States, Canada, and Australia. Calvin has held executive positions at Martin Exploration, Hanover Compression, and Valerus Compression. Calvin has also been founder, cofounder or partner in Econoflow Inc, Vectra CBM, Calyx Energy I & II and currently in Calyx Energy III and Riverside Midstream LLC.

  • detring_derek

    Derek Detring

    Detring Energy Advisors

    Derek Detring's career has been fully devoted to energy advisory, where he has completed over $8 billion in capital raising and M&A advisory transactions. Derek spent the first four years of his career at Merrill Lynch, where he primarily focused on capital raising and M&A assignments for large, publicly-listed companies, followed by four years at Integral Advisors, a boutique A&D advisory firm he co-founded in 2009, and finally Wells Fargo where he spent one year in their A&D group. For the past three years Derek has lead his new company, Detring Energy Advisors, which focuses on the mid-cap A&D market.

    Derek graduated summa cum laude and first in his engineering class from Vanderbilt University and attended the Wharton Executive Education Program, where he passed with honors.

  • Essman.Luke

    Luke Essman

    Canyon Creek Energy
    President & CEO

    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.

  • Hart Energy Conferences speaker Bethel King

    Bethel King

    RBAC Inc.
    Senior Director, Market Analysis

    Bethel King has over twenty-five years of energy industry experience. From 1985 to 1993, Ms. King supported natural gas operations for Phillips Petroleum, a large integrated producer. She spent three years supporting natural gas marketing functions, including trading system coding, design, and analysis. She also has over four years of direct experience in natural gas marketing - two years with Phillips Petroleum and GPM and two and a half years with Williams Energy Services holding positions as Gas Supply Representative, Gas Operations Representative, Gas Control Representative, Transportation and Exchange Representative, and later, Natural Gas Trader in the Midcontinent and the West. She joined Williams Energy Market Analysis in 1998 as Senior Analyst before progressing to Manager of Natural Gas Analysis with as many as eight direct reports.


    Ms. King oversaw the development and utilization of Fundamental Models that use linear and non-linear approaches to support trading and origination activities. Her combination of computer expertise and energy market knowledge made her uniquely qualified within Williams. Ms. King worked in an integrated commodity environment with Power, Crude Oil, NGLs, Coal, and Global Gas such as LNG. Another responsibility held by Ms. King was to attract, develop, and retain key employees within the NG and NGL Market Analysis group by identifying specialized training needs, providing education on trading and commodities, and developing individual progression plans.

    Beginning in 2003, Ms. King began a successful alliance with RBAC, Inc. as a Senior Consultant, providing personalized analysis using the GPCM® Fundamental Gas Pipeline Model for companies throughout the industry. Bethel King is currently Director of Market Analysis which includes overseeing all input data including infrastructure, supply curves, and demand curves used in preparing the quarterly GPCM Base Case data releases. Ms. King is also RBAC, Inc.’s primary trainer and mentor for clients; she also provides ad-hoc expertise on projects for a variety of industry participants.

    Modeling of the Natural Gas industry provides insight for strategic planning, pricing and flow trends, value assessment, bidding strategies, fundamental analysis and risk assessment for structured energy deals, and interpreting the dynamics that affect the natural gas market such as market power, supply, demand, storage, capacity, loads, transportation, congestion, tariffs, pipeline expansions, capacity release and infrastructure.

    Ms. King has a Bachelor of Science in Management Science/Computer Systems from Oklahoma State University and an Associate degree with Honors in Computer Science from NEO A&M. Bethel King has spoken at several industry conferences such as EPIS Electric Market Forecasting Conference on the topic Gas Market Trends and Forecasting. Ms. King is also a contributing author of Fuel Forecasting in Volatile Markets Make for Believable Strategies in Electric & Natural Gas Business: Understanding It (2003 and Beyond).

  • Hart Energy Conferences speaker Bradley G. Gray

    Bradley G. Gray

    Diversified Energy
    Executive Vice President & Chief Operating Officer

    Bio coming soon!

  • Hart Energy Conferences Speaker Tim Helms

    Tim Helms

    Citizen Energy
    Chief Financial Officer

    Bio coming soon!

  • Chad Wilkerson headshot

    Chad Wilkerson

    Federal Reserve Bank - Kansas City
    Vice President, Economist & Oklahoma City Branch Executive

    Chad Wilkerson is Branch Executive of the Kansas City Fed’s Oklahoma City Branch office. In this role, he serves as the Bank’s lead officer and regional economist in Oklahoma. He is responsible for briefing the Kansas City Fed’s president on economic trends in the state.

    His research focuses on developments in key industries in the region, including energy and manufacturing. He recruits and works closely with the Oklahoma City Branch’s board of directors and the Kansas City Fed’s Economic Advisory Council. He also supervises several business surveys.

    Wilkerson has been with the Federal Reserve since 1998 and was appointed Oklahoma City Branch Executive in 2006. He holds a master’s degree from the University of Chicago and a bachelor’s degree from William Jewell College in Liberty, Missouri.

    Wilkerson is a member of the Board of Directors for the Economic Club of Oklahoma and Oklahoma Association of Business Economists. Additionally, he serves on the Advisory Board of Trustees and Campaign Cabinet of the United Way of Central Oklahoma.

    He lives in Edmond, Oklahoma, with his wife and four children.