About COGA

Our team of experts and executive board are dedicated to championing industry, leading advocacy, and building community in the state of Colorado.

Letter from the CEO

In Colorado, we are leading the way in delivering energy that is reliable, affordable, and produced with care. Oil and natural gas have long been essential to our state’s economy, communities, and daily lives. Today, thanks to innovation and a steadfast commitment to safety and sustainability, our industry is producing energy cleaner and more responsibly than almost anywhere else in the world.

I am honored to lead an organization that stands at a pivotal moment—facing both unprecedented challenges and exciting opportunities. Our mission is clear: to champion the responsible development of oil and natural gas resources in Colorado through effective and meaningful engagement with communities, policymakers, and regulators. When our industry succeeds, so do our communities.

At COGA, we are grounded by core values that guide our approach: integrity, respect, collaboration, excellence, education, and resilience. These principles shape how we advocate, communicate, and lead on behalf of our members and stakeholders. We serve as a trusted source of fact-based information and thoughtful leadership in legislative advocacy, regulatory oversight, community engagement, and workforce development.

As we advocate for the industry, we are also preparing for its future. That means addressing key challenges like permitting reform, regulatory overload, and public perception. Our vision is to lead the oil and gas industry in building a resilient energy future—one that balances environmental responsibility with the energy needs of today and tomorrow.

Colorado’s oil and gas sector supports thousands of jobs, fuels our state’s economy, and provides critical funding for schools, infrastructure, and public services. At COGA, we are committed to preserving and advancing that legacy through proactive, thoughtful, and transparent advocacy.

Whether you are a policymaker, a community leader, an industry partner, or a concerned citizen—there is a place for you at COGA. Together, we can ensure that the responsible development of Colorado’s natural resources continues to benefit our state for generations to come.

Thank you for your support. I look forward to the journey ahead and to working together toward a stronger, more secure energy future for Colorado.

Lynn M. Granger

Chief Executive Officer,
Colorado Oil & Gas Association

Meet The Team

  • Lynn Granger

    President & Chief Executive Officer

  • Jackie Vanderburg

    Vice President of Operations

  • Ryan Steadley

    Vice President of Regulatory Affairs

  • Dawn Wieber

    Director of Administration & Operations

  • Suzanne Schimpeler

    Director of Membership & Events

  • Craig Batchelder

    Regulatory Affairs Coordinator

  • Sara Reynolds

    Colorado Energy Foundation Exec. Director

COGA Executive Board

Bob Boswell
Chief Executive Officer
Laramie Energy, LLC

Tom Janiszewski
Vice President, Land, Regulatory, Government Relations and Corporate Affairs
Oxy

​Jay Furman
Managing Director
G&P, Phillips 66 COGA Board Secretary

Brad Johnson
SVP Operations
Civitas Resources

Steve Struna
President & CEO
Bayswater
​​​COGA Board Treasurer

Mike Machovoe
VP of Business Development
Liberty Energy

Samantha Richardson
Vice President, Commercial - Natural Gas
Tallgrass

Philip Davis
Co - Chief Executive Officer
Verdad Resources

Robert Harber
Vice President, Northern Region
Haliburton Energy Services

Kim McHugh
VP of the Rockies Business Unit
Chevron Corporation
​​​COGA Board Chair
​​

Salar Nabavian
General Manager
Gunnison Energy, LLC

COGA Advisory Board

*Includes Executive Board members listed above.

Austin Akers
Chief Executive Officer​
Bison Oil & Gas

Howard Boigon
Founder
​Boigon Law Ltd.

Ray Gardner
Vice President, Gas Engineering
Xcel Energy Services, Inc.

Jen Hornemann
Vice President, Production
Antero Resources

Aaron Martinsen
Chief Executive Officer
Utah Gas Corp.

Luis Rodriguez
Chief Operating Officer
Raisa Energy

Lisha Burnett
Manager, External & Government Relations
Suncor Energy

Will Brown
VP, Commercial
Kinder Morgan

Ana Gutierrez
Partner
Womble Bond Dickinson

Jamie Jost 
Founder & Managing Shareholder
Jost Energy Law

Gabriel Sepulveda
​Director of State and Local Government Affairs
Williams

Jason T. Chan
General Manager - Energy Services Four Corners Area 
Waste Management Energy Services

AJ Jairamani
Sales and Commercial Leader
Baker Hughes

Rick McCurdy
Vice President, Innovation & Sustainability
Select Water Solutions

Quint Shear
President
​Shear, Inc.

Jennifer Biever
Director​
Williams, Weese, Pepple & Ferguson

Peter Hansen
Counsel 
Bryan Cave Leighton Paisner

Shea Loper
Director, U.S. Government Relations
Ovintiv, Inc. 

Bruce White
Senior Vice President
NGL Energy Partners, LP & Conquest Oil

Jason Modglin
Director of Government Affairs
Western Midstream

Mike Dickinson
Executive VP & Chief Operating Officer
Confluence Resources

John Harpole
President
Mercator Energy, LLC

Tom Miller
Managing Director, US West Region
Schlumberger

COGA Chapters

COGA chapters provide an expanded statewide presence for the industry and the association. Activities include hosting fundraisers and making contributions to local civic and charitable causes, working in and with local schools, assisting at community functions and providing scholarships. With a membership of local industry employees, each chapter operates independently, but under the authority and direction of the COGA Board of Directors. Chapters have their own membership, steering committees, and officers. Chapter presidents serve as COGA board members.

West Slope Chapter

  • The West Slope Chapter encompasses Moffat, Rio Blanco, Garfield, Mesa, Pitkin, Gunnison, Delta, Mesa, Montrose, Ouray, and San Miguel counties. Members in our chapter include Midstream, E&P, and service providers. Our focus is centered on working in rural communities and meeting local regulatory challenges.

  • Chelsie Miera

    970-615-0173

    Chelsie.Miera@wscoga.org

DJ Basin Chapter

  • The North Central Chapter encompasses Weld, Larimer, Adams, Boulder, and Broomfield counties. Member companies include large operators, several service companies and a few equipment manufacturers in the region. The North Central Chapter focuses on fundraising for the community via non-profits and schools.

  • Julie M Branting

    PetroPro Engineering, Inc.

    petropro@comcast.net

Positions on Key Issues

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Championing Industry. Leading Advocacy. Building Community.