Recognized in Best Lawyers since 2022 
Mark W. Hanna advises and represents clients across the Texas energy industry in matters involving Commercial Litigation and Oil and Gas Law. Based in Austin, Texas, Mark works with companies ranging from private equity-backed startups to Fortune 500 businesses on complex legal, regulatory, and operational issues. His practice focuses on helping clients evaluate risk, resolve disputes, and address business challenges through practical legal strategies tailored to their goals.
Mark’s experience includes matters involving oil and gas development, lithium extraction, carbon storage, renewable energy projects, and pipelines. He regularly represents clients before administrative agencies such as the Texas Railroad Commission and the Texas General Land Office. Mark has also handled litigation in state and federal courts throughout Texas involving energy, environmental, business, surface use, and title disputes. Clients rely on him for clear guidance in high-stakes matters affecting their operations and investments.
In addition to his legal practice, Mark’s background in Electrical Engineering from The University of Texas provides technical insight that benefits clients operating in highly regulated and complex industries. He has spent more than two decades working with energy companies and understands the legal and business considerations that impact the sector.
Mark has been recognized by publications including The Best Lawyers in America and Texas Rising Stars for his work in energy-related matters and commercial disputes. At Scott Douglass & McConnico LLP, he continues to represent clients throughout Austin and across Texas in litigation, regulatory proceedings, and business disputes involving the energy industry.
An Austin native, Mark remains active in the local community. He has served on the boards of directors for The Contemporary Austin and Arthouse at the Jones Center and is currently a member of the SMU Dedman School of Law’s Emerging Leader Board of Directors.
