James W. “Jim” Colvin


Jim Colvin founded Energy First Engineering & Consulting in February of 2010 and serves as President of the company. Jim is responsible for managing the company from the corporate office in San Antonio, Texas. Jim directly provides contract engineering and project management for Oil & Gas Operators throughout the United States.

Jim previously held a role as Vice President for Acock Engineering & Associates from 2006 – 2010 where he also provided contract engineering and project management services. Jim worked as a consulting engineer for various clients in Texas and Louisiana from 2005 until early 2006. Prior to that, Jim was a drilling engineer for EOG Resources in Corpus Christi, Texas from 2001 until 2005. From 1998 to 2001, Jim worked as a Senior Wellsite Engineer for Halliburton Energy Services in the South Texas Division. Jim began his post graduate career in 1997 with Union Pacific Resources as a drilling engineer.

Jim has a Bachelor’s of Science in Petroleum Engineering from Texas A&M University. Jim is a member of AADE, SPE and API.

Aaron B. Bland

Vice President

Aaron B. Bland is an experienced sales professional in the Oil and Gas Industry and holds the position of Vice-President of Sales and Marketing for Energy First Engineering & Consulting LLC. In his role he is responsible for current and new clients, corporate marketing, and consultant recruiting. Aaron is also developing business in new basins, expanding Energy Firsts’ client base in the United States and Internationally.

Aaron previously held a role as Senior Account Manager for Baker Hughes Incorporated Rockies Division from 2008 – 2012, working with clients in CO, WY, UT, NM, MT, and ND. Prior to Baker Hughes he performed in both operations and sales roles with FMC Technologies from 2001 – 2008 in Texas and Wyoming.

Aaron has a Bachelor’s of Science from Texas A&M University and served as a Commissioned Officer in the United States Army. He is a member of AADE and API and is on and competes in Sporting Clays and Fin, Feather, Fur Committees

Renae Brewer

Office Manager

Renae Brewer has been in the Oil and Gas Industry since 2004. She holds the position of Office Manager for Energy First Engineering & Consulting LLC since the opening of the business in 2010. In her role, she is responsible for setting up MSA contracts for Energy Firsts’ clients and consultants, invoicing clients, payroll, accounts payable, accounts receivable and overseeing day to day operations for Energy First.

In 2004 Renae began in the Oil & Gas Industry as the Consultant Coordinator for Acock Engineering & Associates. After proving herself as an asset to Acock Engineering she later managed their San Antonio office. Later she took those skills and helped Jim start Energy First Engineering & Consulting, LLC operations and staff from the ground up beginning in 2010.

Renae is a member of AADE and API and participates with their annual sporting clays and golf tournaments.

Jimmy Chapoy

Field Sales

In his role as Field Sales since July 2012, Jimmy Chapoy maintains Consultant and Client relationships in Texas and New Mexico. Prior to Energy First Jimmy was Vice-President at Zavala County Bank. Jimmy studied Business SWT Junior College Uvalde, TX

Jimmy is a member of API and Team Roping Director for Wintergarden Roping and on the Board for the Golf Tournament. He is also on the Board for Zavala County Junior Livestock Show and President of the Uvalde Youth Rodeo Club.

Brittany Gilbert

Administrative Specialist

Brittany Gilbert has been in the industry since February 2015 starting her industry career with Energy First. In her role as Administrative Specialist she is primarily responsible for processing consultant invoices and submitting invoices to clients. Brittany also helps in any other administrative tasks needed for the Energy First staff.

Brittany is a member of API and participates with the San Antonio API Sporting Clays Event and API Roping Events. She was also a recepient of a San Antonio API Scholarship.