Senior Management

Randy Acock, P.E.
Founder and President

Randy Acock serves as President of Acock Engineering & Associates, L.P.  Mr. Acock began his oil and gas career with Amoco Production Company in 1972. As District Engineer, he was responsible for 15 engineers involved in drilling, completion, work over and production activities in 41 South Texas counties. He has been personally involved in more than 160 horizontal wells, and has consulted on deep (20,000+), critical, high pressure drilling operations in South Texas and Louisiana.

Mr. Acock is a graduate of the University of Texas, with a Bachelor of Science Degree in Petroleum Engineering. He became a registered Professional Engineer in the State of Texas in June 1980 and started Acock Engineering that same year.

Mr. Acock is an active member in the SPE, AAPG, and API.


Matthew Acock
Vice President

Matthew Acock serves as President of Acock Consulting, L.L.C. and Vice President of Acock Engineering & Associates, L.P.  Starting his experience in the oil field dressing pipe for Antelope Oil and Tools in high school and college, Mr. Acock has provided assistance to Fortune 500 energy companies, both nationally and internationally.  Mr. Acock served as the Legislative Director and Chief Counsel for United States Senator Kay Bailey Hutchison in Washington, D.C. from 2005 to 2010, and was responsible for leading the Senator’s legislative activities and policy initiatives at the highest levels of government.  Mr. Acock is credited with many legislative accomplishments, including securing tax relief for Texas taxpayers and industries, as well as successfully negotiating a complex legislative solution to a long-running dispute in North Texas involving two of the nation’s largest air carriers.    

Mr. Acock participates in many industry-affiliated and charitable organizations, including TIPRO and The Texas Alliance of Energy Producers, and he currently serves as the immediate past Chairman of the Make-A-Wish Foundation of the Texas Gulf Coast and Louisiana.  Mr. Acock also served on the Inaugural Advisory Council of the Kay Bailey Hutchison Center on Energy, Law & Business at the The University of Texas at Austin. 

Matthew holds a J.D. from the University of Texas School of Law and graduated summa cum laude with a B.B.A. in Management from Texas A&M University in 1998, where he was a Company Commander in the Corps of Cadets and Executive Office of the Ross Volunteer Company. 


Gary Brumley
Vice President Operations

Gary Brumley graduated from Stephen F. Austin in 1972 and joined the Acock Engineering team in 1996 working as a consultant and marketing manager. He has worked domestically and internationally, both onshore and offshore in the oil and gas industry for over 30 years.

Mr. Brumley provides project engineering, operations management and specialized field supervision for drilling, completion,workover, and production operations conducted by Acock personnel on vertical, directional, and horizontal normal/abnormal pressure oil and gas/condensate wells.


Randy Gillit

Lead - Permian Basin Operations

Randy Gillit joined the Acock team in January 2012 and has decades of experience in the oil and gas industry.  Mr. Gillit develops and maintains client and consultant relationships with a focus on activities and operations in West Texas.


Alyssa Wise

Invoicing, Accounting, and Engineering Support

Alyssa wise joined Acock in 2008 and provides specialized invoicing and accounting support to Acock consultants and clients. Ms. Wise processes invoices and performs numerous accounting duties. She has expertise in several oil and gas accounting and safety software programs. Ms. Wise also provides support to engineering personnel and is involved in special projects and marketing.