Alta Resources, LLC is a private company headquartered in downtown Houston. Founded in 1999, Alta has been a leader in the exploration for and development of shale oil and gas assets from the Fayetteville Shale in Arkansas and the Marcellus Shale in Pennsylvania to the liquids-rich Duvernay Shale play in the Kaybob area of Alberta, Canada. George P. Mitchell, who is widely regarded as the father of shale gas for his pioneering role in developing the Barnett Shale in Texas, was a longtime partner with Alta prior to his passing.


Alta has drilled or participated in more than a thousand wells in Arkansas, Texas, Louisiana, Alabama, Pennsylvania and Alberta, Canada with an emphasis on being an industry leader in creating value while maintaining the strictest standards of corporate responsibility. Beginning in 2004, Alta became one of the first companies in the history of the oil and gas business to target shale gas as a leading operator in the Fayetteville Shale in Arkansas. In Arkansas, Alta used its technical talent to identify the best geologic areas to drill for the Fayetteville Shale and leased the second largest land position in the core of the play.

Alta's engineers were leaders in developing best drilling and completion practices and drilled horizontal wells with the highest sustained flow rates in the play. After the sale of the Arkansas assets in 2008, Alta began an aggressive leasing campaign in the Marcellus Shale play in Pennsylvania. Again, Alta's technical talent focused on what was to become one of the most prolific area of the play in northeastern PA.. In 2011, Alta entered the Duvernay Shale play in Alberta, Canada with a focus on the Kaybob area. Alta established a premier acreage position in the core, liquids-rich window of the play in Kaybob.

Currently Alta owns an interest in approximately 900 Marcellus shale wells together with midstream assets in roughly 300,000 net acres and 480,000 gross acres in northeastern Pennsylvania.


Joseph G. Greenberg


Mr. Greenberg founded Alta Resources, LLC in 1999. Mr. Greenberg received a B.S. in Geology and Geophysics from Yale University in 1983, and a Masters in Geological Sciences from The University of Texas at Austin in 1986. He has 33 years of diversified experience in domestic oil and gas exploration and production. Mr. Greenberg is the past Board Chair of the YES Prep Public Schools, a system of high performing 6-12 grade schools serving over 13,000 low income children in Houston.

Jennifer McCarthy


Mrs. McCarthy began her career with Alta Resources, LLC in May of 2006. Prior to joining Alta, Mrs. McCarthy was a Senior Drilling Engineer for Burlington Resources, where she worked for six years. She received a B.S. degree in Petroleum Engineering from Texas A&M University in 2000 where she was the recipient of the Robert Whiting Graduate of the Year Award. Mrs. McCarthy is an active member of the Society of Petroleum Engineers and was previously Chair of the Drilling and Completion Technical Committees for the SPE Annual Technical Conference.

Kenley Steeg


Mr. Steeg joined Alta Resources, LLC in April 2012. Before joining Alta, Mr. Steeg worked for seven years as an energy investment banker focused on equity and debt financing and M&A advisory with Citigroup and Jefferies. He received an M.B.A. in 2003 and B.A. in economics in 1998, both from The University of Texas at Austin.

Lee Chenault

Finance Director

Laura Drum

Land Manager

Lauren Ford

General Counsel

Steve Kelly

Vice President of Marketing

Robert Montgomery

Production Superintendent

Kate Moore

Human Resources Manager