Nate Wolf
2023 - 2024 PASO President
Nate Wolf is a Senior Severance Tax Advisor for ConocoPhillips in Bartlesville, Oklahoma.  He specializes in marketing cost deductions and State severance tax legislation.  Over his 30+ year career he has worked for Amoco Corporation, The Williams Companies, Magellan Midstream Partners, and the last 10 years with ConocoPhillips.  Nate has held Supervisory positions in Revenue, Joint Interest Billing, and Drilling Accounting. He is currently a Director in PASO-Tulsa, Revenue sub-committee chair for Regulatory and Royalty Compliance in COPAS, and co-chair for the Severance Tax Committee in API.   All of which he is a regular contributor on State Legislation.  Nate has a BS degree in Accounting from John Brown University and is an Oklahoma CPA

Bryan Cox
2023 - 2024 PASO 1st Vice-President
Bryan Cox is a Senior Auditor at Gas Equities, Inc. in Tulsa, OK and is a Certified Public Accountant.  He has many years of public accounting experience serving various industries including Oil and Gas, Manufacturing and Healthcare.  Since 2010, Bryan has served as a lead auditor on joint venture expense audits, revenue audits and vendor audits.  Bryan holds both a Bachelor’s and Master’s degree in Accounting from Oklahoma State University.  Bryan lives in Tulsa with his wife and two children.  He enjoys playing music, watching sports and spending time with family and friends.

Patricia Ellington
2nd Vice-President
Patricia Ellington works for Vital Energy, Inc. in Tulsa, Oklahoma. Patricia has over twenty years of experience in the world of oil and gas, generating new functions and roles.  Projects managed by Patricia include restructuring a land department, transitioning process systems, bankruptcy reorganization, and training accountants in operations. Patricia has a BS in Accounting, is an Accredited Petroleum Accountant and has a published teaching module “Understanding the Landman”.  Patricia is a board member of the Petroleum Accountants Society of Oklahoma (PASO – Tulsa) and is the COPAS National Joint Interest Standing Committee Chair. Patricia enjoys spending time with family, friends, and her German Shepard Dog.

Melodee Papke
Melodee Papke currently serves as the Vice President of Human Resources, Training and Development for PetroLedger Financial Services, an oil and gas accounting firm with offices in Texas and Oklahoma. Melodee holds a BBA in Accounting from Northeastern State University, and has 30 years experience in oil and gas accounting and management, including significant work with private equity-backed companies preparing and coordinating both transactional and reporting functions. Melodee manages the Tulsa office, and is currently responsible for hiring initiatives across the growing organization and creating a standardized training program for new hires. Melodee lives in Tulsa with her husband Murray Papke (petroleum engineer).  She is both a CPA and APA and an avid sports fan.

Aric Miller
Aric Miller is a currently the Manager Financial Analyst at Calyx Energy III. Over his career he has worked at Associated Resources, Samson Resources and Cimarex Energy. Aric has performed many functions in Joint Interest Billing, Revenue, Audit and Corporate Accounting. Aric holds both a Finance and Accounting Bachelor’s degrees from Oklahoma State University and a Master’s in Accountancy from the University of Oklahoma. Aric lives in Broken Arrow with his wife, Tara Miller (CDOA) and three kids Ethan, Kenric and Lily. Aric enjoys playing golf, cooking, working out and having friends over for game night.

Vanessa Green
2023-2024 Director
Vanessa Green is currently a Joint Audit Consultant at ConocoPhillips “COP” in Bartlesville, Oklahoma.  Vanessa has worked for ConocoPhillips for 17 years in various roles including Commercial Crude Oil Supply and Trading, JV Audit, Revenue Accounting, Recruiting, JV Accounting and Acquisitions & Divestitures. Vanessa served as Chairperson for the Audit Committee at PASO from 2015-2017.  She has been on the PASO board since 2017.  Vanessa served on the nomination committee for the COPAS National Board in 2018.  Vanessa holds degrees in International Business and Finance from Oklahoma State University. Vanessa lives in Owasso with her husband, Jared and three boys Colton, Aiden and Mason.  She enjoys traveling and spending time with family and friends. Vanessa is a 3rd generation OSU Cowboy and her family all bleeds orange.

Cyndi Kernan - JI Committee Chair
Cyndi is a Manager with Stinnett & Associates and is based in Tulsa. She has over 21 years of Operations, Business Process Improvement, and Risk Control Energy Marketing experience in the energy industry. Most recently, Cyndi was the Manager of Financial Optimization with WPX Energy. Prior to WPX Energy, she worked with Williams Power Company, ONEOK Hydrocarbon, LP, and Williams Energy Marketing and Trading.  Cyndi holds Bachelors of Business Administration and Pre-law degrees from Northeastern State University and a Bachelor of Science degree in Finance from Missouri State University. She is a Certified Fraud Examiner (CFE), and a member of the Institute of Internal Auditors and the Petroleum Accounting Society of Oklahoma.

Tanner Taber - Audit Committee Chair
Tanner Taber serves PASO as the Audit Chair. He has been employed by ConocoPhillips since 2015 and has served in various roles including Land. Today he is a Joint Venture Auditor, primarily on the Inbound side. He enjoys spending time with his family, smoking meats, running, and watching Oklahoma Sooner Football.