Robert Chaffin

Michael D. Williams is a top attorney recognized by Best Lawyers in the practice area(s) of Admiralty and Maritime Law and Litigation - Insurance. Michael D., who practices law in Houston, Texas, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael D. is held by other top lawyers in the same geographic and legal practice area.

Marcus Tucker's practice includes the investigation and defense of claims resulting from oilfield and maritime casualties, construction defects, personal injury and transportation related accidents. His practice also involves the litigation of commercial disputes through trial and arbitration. In addition, Marcus litigates and provides advice on contractual indemnity and insurance coverage issues on behalf of both corporate clients and insurance companies.

Amy Cazes Greene is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance. Amy Cazes, who practices law in Houston, Texas, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Amy Cazes is held by other top lawyers in the same geographic and legal practice area.

Board Certified in Construction Law by the Texas Board of Legal Specialization, Tim Ross has a practice focused on the transactional and dispute resolution aspects of construction law. He works with clients in all phases of the construction process with an emphasis on contract drafting and negotiation, dispute avoidance during construction, field management and administration, project close-out and dispute resolution. Tim’s legal acumen is complemented by field experience with a large c...

With nearly 30 years of experience, Terry D. Kernell assists clients in complex commercial litigation, although he often lends his experience and expertise in probate litigation and personal injury matters. Mr. Kernell has handled cases in federal and state courts as well as domestic and international arbitrations. His experience includes business contracts and torts, trade secrets, antitrust, and qui tam claims under the federal False Claims Act. He has served as lead counsel for individuals...

David Sheinbein has a nationwide mergers and acquisitions practice in which he has closed over a billion dollars in business transactions. As a leading corporate transactional attorney, he is well-known for helping his clients find practical, value-oriented, and timely solutions. His clients include both private and public middle-market and large companies throughout the United States. David represents buyers and sellers of stock and business assets and borrowers and lenders in commercial fin...

G. Byron Sims is a top attorney recognized by Best Lawyers in the practice area(s) of Admiralty and Maritime Law and Commercial Litigation. G. Byron, who practices law in Houston, Texas, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which G. Byron is held by other top lawyers in the same geographic and legal practice area.

John Shely concentrates his practice on managed care trials, including litigation involving providers, ERISA benefits and fiduciary duties, and bad faith insurance practices. He also brings extensive experience in handling a wide range of commercial disputes, both for managed care organizations and for businesses across various other sectors. Mr. Shely is frequently retained to try cases that clients believe are likely to proceed to trial. In several matters, clients have engaged him late in ...

Charley Davidson leads the firm’s criminal defense practice, where he offers passionate, responsive counsel to guide clients facing state and federal charges in the areas of white collar and blue collar crime. Prior to joining Hanszen Laporte, he was a partner at a large international firm specializing in white collar defense, as well as a partner at a Houston-based criminal defense law firm. Charley also spent three years as an assistant U.S. attorney in the U.S. Attorney’s Offic...

Douglas C. Atnipp is the Texas Co-Regional Managing Shareholder, Co-Managing Shareholder of the Houston office and Co-Chair of the firm's national Energy and Natural Resources Practice. Doug has more than 25 years of experience representing clients engaged in all facets of the energy business. He is involved in a wide range of energy-related transactions including energy finance, joint ventures and strategic alliances, and acquisitions and dispositions of energy-related assets. In addition to...