Leadership

Pat O'Bryan
President
Pat O'Bryan

Mr. O’Bryan has served as President, with responsibility overseeing all aspects of oil and gas operations, since joining the R. Lacy team in 2018. He has over 30 years of experience in the oil and gas business, including executive and asset general management, drilling engineering and technology management, production and reservoir engineering supervision. Prior to joining R. Lacy, Mr. O’Bryan was the CEO at Pardus Oil & Gas. He was also the President and CEO at Fidelity Exploration and Production, and held Vice President positions in drilling, completions and production at BP. Mr. O’Bryan holds a Ph.D. in Petroleum Engineering from Louisiana State University.

Darren Groce
Family Office President and General Counsel
Darren Groce

Mr. Groce serves as R. Lacy’s General Counsel as well as President of the Family Office for R. Lacy’s owners. He has been with the company since 2003. Previously, Mr. Groce was in-house counsel at ConocoPhillips from 2000 to 2003 and at ARCO Permian from 1997 to 2000. Mr. Groce began his practice at an oil and gas law firm in Midland, Texas in 1991. Mr. Groce holds a Bachelor of Business Administration in Computer Information Systems from Baylor University and a law degree from the University of Texas School of Law.

Brent Haas
VP Engineering
Brent Haas

Mr. Haas has served as Vice President of Engineering since joining the R. Lacy team in 2014. His responsibilities at R. Lacy include internal reserves analysis, development planning, and acquisition and divestiture evaluation. Mr. Haas started his career at Haas Petroleum Engineering Services as a reservoir engineer. His work at Haas included preparation of field studies and reserves reports for public and private oil and gas companies. Mr. Haas has experience working in reservoirs across the continental United States with an expertise in unconventional resources. Mr. Haas holds a Bachelor of Science in Chemical Engineering from Texas A&M University.

Chris Bresch
VP Exploration
Chris Bresch

Mr. Bresch has served as Vice President of Exploration since 2017. He joined the R. Lacy team as a Staff Geologist in 2008. Prior to joining R. Lacy, Mr. Bresch worked for EXCO Resources as a Development Geologist focused on the company’s Ark-La-Tex assets. Mr. Bresch started his career with Winchester Production Company, which was acquired by EXCO Resources in 2006. Mr. Bresch holds a Bachelor of Science in Geology from Centenary College of Louisiana.

Kathy Gilchrist
VP Land
Kathy Gilchrist

Ms. Gilchrist has served as Vice President of Land since joining the R. Lacy team in 2014. She has over 30 years of experience in domestic and international land, acquisitions, and divestitures. Before joining R. Lacy, Ms. Gilchrist worked in corporate New Ventures for Devon Energy in Oklahoma City from 2006 to 2014. Ms. Gilchrist began her career at Union Oil Company of California (Unocal) and worked for Placid Oil Company, Toreador Resources and National Energy Group (NEG) before joining Devon Energy. Ms. Gilchrist holds a degree in Petroleum Land Management from Texas Tech University.

Meredith Todd
VP Legal
Meredith Todd

Ms. Todd has served as Vice President of Legal since 2014. She joined the R. Lacy team in 2011 as an in-house attorney. Ms. Todd provides legal support for all aspects of the Company’s oil and gas activities as well as assists in the implementation and delivery of the Company’s strategic objectives. Ms. Todd began practicing law in 2005 and worked as outside counsel until she joined the R. Lacy team. Ms. Todd holds a law degree from the University of Texas School of Law and a Bachelor of Arts in History and Political Science from LeTourneau University.

Plez Henderson
VP Marketing
Plez Henderson

Mr. Henderson has served as the Vice President of Marketing since 2014 and joined the R. Lacy team as Marketing Manager in 2012. He is responsible for all midstream marketing services, including gathering, compression, treating and processing. Mr. Henderson previously served as Vice President of Gas Marketing for Crosstex Energy. Prior to Crosstex Mr. Henderson held senior marketing roles at Eastex Energy, Valero and Ferrellgas. He began his career with Amoco Production Company as a Senior Landman. Mr. Henderson holds a Bachelor of Business Administration from Baylor University.

Richard Kilby
VP Planning & Integration
Richard Kilby

Mr. Kilby has served as the Vice President of Planning and Integration at R. Lacy since 2020 and is responsible for leading overall business planning processes, including developing and overseeing critical systems, performance tracking, and reporting of company projects. He joined the R. Lacy team in 2015 as Business Development Manager. Prior to joining R. Lacy, Mr. Kilby served in roles of increasing responsibility at Shell E&P, Murphy Oil, Resolute Energy, and Source Energy Partners. Mr. Kilby holds a Masters of Geological Sciences from the University of Texas at Austin and a Bachelor of Science in Geology from Washington & Lee University.

Terri Downing
VP Accounting
Terri Downing

Ms. Downing serves as Vice President and Treasurer of R. Lacy and oversees all financial and accounting aspects of the Company. She joined the R. Lacy team in 1996 and has held the titles of Accountant, Controller, Vice President and Treasurer. Ms. Downing has over 30 years of experience in the oil and gas industry and started her career in public accounting. Ms. Downing holds a Bachelor of Science in Accounting from the University of Texas.

Walt Tehan
VP Operations
Walt Tehan

Mr. Tehan has served as Vice President of Operations since joining the R. Lacy team in 2006. He is responsible for the management and oversight of all drilling, completion and production operations, as well as company-operated midstream facilities. Prior to joining R Lacy he worked for Texas Oil & Gas, Marshall Exploration, Dallas Production and XTO. Mr. Tehan has over 40 years of oil and gas industry experience, working almost exclusively in the operations side of the business, from the wellsite to the front office. Most of his career has been spent working in the Ark-La-Tex region, but he also has experience in the Mississippi/Alabama Smackover Trend and the Gulf Coast. Mr. Tehan holds a Bachelor of Science in Petroleum Engineering from Texas A&M University.