Keith S. Hampton

Brenda L. Clayton is a partner at Kelly Hart whose practice sits at the intersection of environmental, energy, and appellate law. Based in Austin, she guides clients through complex state and federal regulatory frameworks governing waste, water, and natural resources. Brenda’s environmental practice spans high-stakes litigation—including CERCLA actions and federal citizen suits—as well as compliance counseling under major statutory frameworks like RCRA and the Clean Water Ac...

Tim J. Deithloff is a lawyer recognized by Best Lawyers in the practice areas of Banking and Finance Law and Public Finance Law. Tim J. practices law in Austin, Texas Best Lawyers has recognized Tim J. Deithloff since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Tim J. Deithloff is held by other lawyers.

Chris Kirby practices corporate and securities law, including corporate governance and board representation, mergers and acquisitions, private equity, venture capital, and general corporate representation. In addition, Chris provides assistance to ENOCH KEVER’s energy industry clients, such as representing Texas’s largest power generation and electricity retailer in contested cases before the Public Utility Commission of Texas. With a wealth of legislative experience, including ha...

Coleen Kinsler is a Family Law attorney with Bryant Colletti Kaplan Kinsler & De La Reza LLP in Austin, Texas. During her third year of law school, she recognized that she wanted to build her career around helping individuals and families navigate difficult transitions through thoughtful legal guidance and practical solutions. Since the beginning of her legal career, Coleen has focused exclusively on Family Law and has been Board Certified in Family Law by the Texas Board of Legal Special...

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 ex...

Jeannie Heffernan is an experienced trial lawyer who leads Kirkland’s IP litigation practice in Texas. She has won more than a dozen patent infringement trials in federal district courts across the country and at the International Trade Commission, with victories affirmed at the Federal Circuit. She represents clients in a wide range of fields, including computer networking, telecommunications, cryptography, semiconductors, and medical devices. Jeannie has particular experience leading ...

Clark Aspy has tried and handled cases in the areas of personal injury/negligence, transportation, products liability, condemnation and eminent domain, construction disputes, DTPA/business claims, premises liability, employment discrimination, and real estate litigation in various courts all around the state. Mr. Aspy is also active in Alternative Dispute Resolution, both as a participant and a facilitator. He is certified as a trained mediator, serving in hundreds of cases over the past 25 y...

Jered Matthysse specializes in trademark law with a primary focus on litigation and policing, frequently handling cases in federal courts throughout the U.S. and before the U.S. Patent and Trademark Office Trademark Trial and Appeal Board. Jered has extensive experience in mediation and regularly assists clients with trademark policing strategies and programs. Jered has a background in appellate practice, having served as a law clerk for the U.S. Court of Appeals for the Seventh Circuit. Jere...

James E. Cousar is a lawyer recognized by Best Lawyers in the practice area of Administrative / Regulatory Law. James E. practices law in Austin, Texas Best Lawyers has recognized James E. Cousar since 2013. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which James E. Cousar is held by other lawyers.

Russell has a multifaceted water law practice, with an emphasis on matters involving land use, water rights and the Endangered Species Act (ESA). His clients are generally landowners, industries, mineral owners and developers seeking to acquire, safeguard, develop or convey water resources. Russ advocates on their behalf before the courts, the Texas Legislature and administrative agencies.Navigating the rules and regulations imposed on landowners by governmental agencies can be a major challe...