Meet The Team

  • HEATHER
    POWELL, CPL
    PRESIDENT & CEO O: 405.754.5010

    Heather Powell is President & CEO and leader of acquisition efforts at Ventana. Heather previously managed various functions across land, business development and regulatory for RKI Exploration and Production, LLC, which merged with WPX Energy, Inc., in 2015. She began her career in 2004 at Chesapeake Energy where her passion for A&D began. Heather is a Certified Professional Landman and is active with the Oklahoma City Association of Professional Landmen, the Oklahoma Independent Petroleum Association, ADAM-OKC and Oklahoma Energy Explorers.

    When she isn’t working, Heather loves to spend time with her family & explore the world.

  • GREG
    McMAHAN
    VICE PRESIDENT, GEOLOGY O: 405.754.5009

    Greg McMahan began his geological career working in Oklahoma City for Gulf Oil in 1977, after graduating with a Master’s degree in geology from the University of Tulsa.

    Prior to joining Ventana, Greg gained a wealth of geological experience working in technical and leadership roles for several companies on conventional as well as unconventional plays in Oklahoma, Texas, Ohio, Pennsylvania and Louisiana.

    When Greg isn’t studying logs, data mining, curating maps or generating prospects, you can find him sipping a glass of wine with his beautiful wife Laura at home or abroad.

  • BRAD
    NIKKEL
    DIRECTOR, BUSINESS ANALYTICS O: 405.445.5052

    Brad Nikkel began his career in 2009 at Rampart Resources purchasing and maintaining various Oil and Gas assets. Prior to Ventana, he worked at WPX Energy as an Asset Analyst. Away from the office, Brad and his wife are kept busy with their two children.

  • ASHLEY
    ROSE, CPA
    CONTROLLER O: 405.445.0980

    Ashley Rose is a Certified Public Accountant who earned her Bachelor of Science in Business Administration and her Master of Science in Accounting degrees from Oklahoma State University. She has experience in exploration and production, midstream, and oilfield services. Ashley previously worked at Ascent Resources, American Energy Partners, SandRidge, ONEOK, and Halliburton.

    When she isn’t working, Ashley enjoys playing sports, traveling, and spending time with her husband and three rescue dogs. Ashley and her husband have traveled the country and seen a baseball game in every MLB stadium.

  • KARA
    KRITTENBRINK
    SUPERVISOR, LAND PROCESSES & DATA QUALITY O: 405.754.5002

    Kara Krittenbrink started her career in Acquisitions and Divestitures at Chesapeake Energy in 2011. Prior to working at Ventana, she worked for RKI as a land analyst. Kara grew up in Okarche, OK, in the middle of the oil patch and obtained a degree in Finance from the University of Oklahoma. She currently lives in Oklahoma City.

  • MARTIN
    BRADY
    ASSOCIATE LANDMAN O: 405.445.5053

    Martin Brady joined Ventana as an Associate Landman in March 2017. He previously worked for XTO Energy, Inc. as Division Order Analyst for the Permian and Mid-Continent assets. Martin is from Healdton, OK and was raised in the oil and gas industry. He is an active member of the AAPL and OCAPL.

    Martin earned his B.S. from Oklahoma State University and his MJEL from the University of Tulsa. When he isn’t working, he enjoys traveling, golfing and spending time with his wife and their dog Ollie.

  • SAVANNAH
    WEBB
    LAND ANALYST O: 405.754.5097

    Savannah Webb manages the administrative functions and analyst tasks for Ventana’s land department. Prior to Ventana she was a loan officer at a local credit union. Savannah lives in Tuttle, OK and enjoys spending time with her pup and making her car faster.

  • CRYSTAL
    DOTY
    REVENUE ACCOUNTANT O: 405.754.5011

    Crystal Doty started her career in revenue accounting at Chesapeake Energy in 2009. She values her time here at Ventana as it has broadened her knowledge of the oil & gas industry beyond just revenue. She is married and a mother to two girls who keep her plenty busy outside of work. Crystal is a huge sports fan and loves cheering on the Sooners and OKC Thunder.

  • SABRINA
    STEWARD
    ASSOCIATE BUSINESS ANALYST O: 405.445.5054

    Sabrina Steward was new to the oil and gas industry when she started in 2017, coming from the IT industry. She has moved from a mostly administrative role to being more involved in accounting functions, including the JIB and revenue processes, as well as assisting with well data reporting. Outside of work, you’ll usually find Sabrina at a movie, shopping, cooking and spending time with her large family, husband and stepchildren, two dogs and a hedgehog.

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