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Our Experience

Our team has extensive oil and gas experience.

At Sage, we have built a diverse team of experienced and talented oil and gas
professionals to execute accretive transactions, maintain a disciplined focus
on operations, drive value accretion through advanced analysis and
deployment of technology, and achieve high ESG performance. Our team has
a broad range of geologic, technical, operational, financial, and organizational expertise.

Our Experience

Our team has a combined 260+ years of oil and gas experience.

At Sage we have built a team of experienced and talented oil and gas professionals to execute accretive transactions, maintain a disciplined focus on operations, drive value accretion through advanced analysis and deployment of technology, and achieve high ESG performance. Our team has a combined 260+ years of experience in the oil and gas industry across 19 states, most U.S. basins, and three countries. With more than 2,600 wells drilled, collectively, we have a broad range of geologic, technical, operational, and organizational expertise.

Our Team

Josh Anders

President & Chief Financial Officer
Mr. Anders comes to Sage with over 20 years of progressive leadership experience in the oil and gas industry with both public and private energy companies. Mr. Anders most recently served as Chief Financial Officer of Samson Resources II, LLC through its successful growth and exit via asset sales to a publicly traded upstream energy company.
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Previously, he served as Chief Financial Officer of Adams Resources & Energy, Inc.; Vice President and Controller (Principal Accounting Officer) at Southwestern Energy Company; Vice President and Treasurer for Beryl Oil and Gas, LP and Corporate Finance Manager at Pogo Producing Company.


Mr. Anders holds an Executive MBA from Texas A&M University and a Bachelor of Science in Finance from Louisiana State University. Mr. Anders is a Certified Public Accountant and he also served 6 years in the Louisiana Army National Guard where he was a two-time recipient of the United States Army Achievement Medal.

Keith McCullough

Vice President of Operations
Mr. McCullough has worked in the oil and gas industry for over 47 years successfully engineering and managing drilling, completion, and production operations in five states across numerous basins from Alabama to New Mexico.
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He began his career in 1974 with Getty Oil Company in Lafayette, Louisiana, and then Mobile, Alabama as an operations engineer working the shallow, sweet, and permeable sandstones of the Upper Gulf Coast to the sour crude and retrograde condensate carbonate reservoirs of Mississippi and Alabama. In 1979 following two years working as a reservoir engineer in Houston, Mr. McCullough returned to operations joining TXO Production Corp, which was acquired by Marathon Oil in 1990. During this time, he held various positions from Area Engineer to Drilling and Production Manager handling operations along the Texas Gulf Coast in the Gidding Field and in the East Texas Basin including the deep, sour, and high-pressure Cotton Valley Reef Play. He continued working in East Texas for Sulphur River Exploration as Operation Manager from 2000-2007 focused on sour oil and gas production across the Mexia-Talco fault trend and expanded development in the Cotton Valley Lime in the Gilmer Field. In 2007 he began working in the Permian Basin managing the transition from vertical well to horizontal well completions in the Bone Springs and Wolfcamp Shale as Completions Superintendent for Cimarex Energy. In 2011 he returned to East Texas as Completions and then Production Superintendent for Samson Resources managing completions activity and production operations in East Texas and North Louisiana in the Haynesville shale and Cotton Valley Sand formations. In 2017 he joined Sage Natural Resources as Vice President of Operations as the company acquired and began the development of our current assets predominantly in the Barnett Shale of the Fort Worth Basin. Mr. McCullough received a B.S. degree in Petroleum Engineering from Marietta College.

Bob Grabb

Vice President of Geosciences
Mr. Grabb is a Registered Petroleum Geologist with over 30 years of experience in the oil and gas industry. Before Sage, he served as a Sr. Geologic Advisor for Samson Energy Company from 2014 to 2017 and Exploration Manager for Samson Resources from 2007 to 2014. Prior to Samson, he served as a geologist for Newfield Exploration from 2003 to 2007.
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Mr. Grabb was an integral member of the Newfield Exploration team that conceptualized and commercialized the resource plays that drove Newfield’s growth. Mr. Grabb has exploration and development experience in multiple basins (North Slope, Bakken, PRB, Rockies, Granite Wash, Arkoma, ETX), and in addition to Samson and Newfield, he previously worked at Texaco, MAPCO, and CENEX, and is on the board of directors for Northern Oil & Gas. Mr. Grabb received B.S. and M.S. degrees in Geology from Montana State University.

Carey Perry

Vice President of Drilling
Mr. Perry has worked on the drilling side of the oil and gas industry in both service and operator capacities from Alaska to the Gulf of Mexico for over 30 years. In 1991, after serving in the Navy, Carey started his career working in Prudhoe Bay, Alaska for BP’s drilling tool services while going to college. He took a job with Halliburton in 1997 and worked in a design engineering role with their drill bit company Security DBS. During that time Carey’s PDC bit designs stood out and set world records for a single bit run footage.
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Carey has authored SPE papers and published World Oil articles on PDC bit design innovation. In 2005, Carey took a job with Newfield Exploration as a Drilling Engineer managing multiple drilling rigs in the Woodford Shale play of southeastern Oklahoma. Since then, Carey has held positions as Senior Drilling Engineer, Drilling Team Lead, and Drilling Manager for large and small operators such as Petrohawk, Encana, Samson Resources, Headington, and ETX. During that time, he has drilled over 300 wells in nearly all basins in the Midcontinent of the U.S. employing the latest in drilling technologies. Carey focuses on delivering the safest, most efficient, highest producing wells possible by working closely with multi-disciplined teams at all technical levels. Carey received his B.A. in Economics from the University of Georgia in 1996. Carey is an active member of the Society of Petroleum Engineers and the American Association of Drilling Engineers.

Joshua Potteiger

Vice President, Reserve Engineering

Mr. Potteiger has over 17 years of industry experience primarily focused on reservoir engineering and asset development. Prior to joining Sage Natural Resources, Mr. Potteiger served in various engineering roles at Samson Resources from 2007 to 2017, including asset, reservoir, and production.

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Mr. Potteiger joined Sage Natural Resources in 2017 to optimize the asset base and facilitate future growth of the Company. Mr. Potteiger received a Bachelor of Science degree in Mechanical Engineering from Oklahoma State University.

Julie Huber

Vice President of Land and Business Development
Mrs. Huber has worked in the Oil and Gas Industry for 28 years. Most of her career was spent working Samson Resources Company’s Texas Panhandle Assets. Mrs. Huber graduated from Oklahoma State University in 1990 with a Bachelor of Science in Political Science and from the University of Tulsa College of Law with a Juris Doctor.
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Upon graduation from Law School, Mrs. Huber joined Samson Resources Company and worked basins across the United States including Mid-Continent, Gulf Coast and Rockies. She joined Sage Natural Resources in September, 2017. She is a member of the Oklahoma Bar Association and a CPL and member of AAPL and TAPL.

Matt Brown

Vice President of Accounting & Finance
Mr. Brown is a registered CPA in the state of Oklahoma with over 16 years of experience in upstream oil and gas. Mr. Brown started his career with Samson from 2007-2018 where he held many different positions related to revenue, regulatory, joint interest, gas balancing, owner relations, and corporate accounting. In addition to these roles, Mr. Brown managed the accounting and transitional processes of over $1.6 billion in divestitures.
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Over the course of his time with Samson, Mr. Brown conducted business in the majority of basins in the lower 48 and has experience with a multitude of state and federal regulatory agencies. Since starting at Sage in 2018, Mr. Brown oversees revenue, joint interest, gas balancing, payouts, AR, AP, corporate accounting, and audit response. He is also responsible for corporate reporting, forecasts, and budgeting for Sage. Mr. Brown holds a double major in accounting and finance from the University of Oklahoma and an MBA from Oklahoma State University.

Lisa Johnson

Vice President of Land Administration
Ms. Johnson has been in the Oil & Gas industry for 32 years. Of those 32 years, 30 have been spent in Division Order while also adding Land Administration over the last 5 years. She started her career with Amoco Production Company and worked there for 18 years managing numerous projects, process improvements, and working numerous states within Division Order.
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Before joining Sage, she was at Samson Resources for 9 years as the Manager of Division Order and Land Administration. She received her bachelor’s degree in Accounting from Oklahoma State University and is a Certified Division Order Analyst.

Why we are different.

We are committed to making a positive impact in the communities we work in. Example initiatives include regular meetings with municipal leaders, providing updates at HOA meetings, and going door to door visiting with neighbors in proximity to our assets.

Community efforts include both time and financial commitments to organizations such as Leukemia & Lymphoma Society, Court Appointed Special Advocates (CASA), NE Oklahoma Food Bank, Boy Scouts of America and Oil & Gas professional societies. We strive to be a diverse and inclusive workplace. We are proud that approximately 50% of our workforce is female and approximately 10% of our workforce are United States military veterans.