Ryan Valenza

Ms. Londergan represents clients in all areas of family law. Her practice includes extensive experience in negotiating and litigating issues involving divorce, contested child custody, high net worth asset division, visitation rights, geographical restrictions, spousal and child support, prenuptial agreements, and modification and enforcement actions. She also handles matters of paternity, support, and custody of non-marital children. Ms. Londergan is a skilled and detail oriented negotiator ...

Lauren has extensive experience representing plaintiffs in antitrust litigation in numerous federal courts throughout the United States challenging anticompetitive conduct in the pharmaceutical industry. She also has extensive experience representing lawyers and law firms in defending against breach of fiduciary duty and malpractice claims and advising lawyers and law firms on ethics. Before joining Kenny Nachwalter (now Sperling Kenny Nachwalter) in 1992, she served as an adjunct professor a...

Mark C. Taylor is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. Mark C., who practices law in Austin, Texas, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark C. is held by other top lawyers in the same geographic and legal practice area.

Burnie Burner brings unique experience and perspective to the representation of insurance companies, investors, agents and alternative risk arrangements in Texas and throughout the country. His practice includes advising clients in the acquisition of companies and blocks of business, holding company issues, licensing, product and policy development, regulatory compliance, examinations and investigations.

Gary Zausmer has over 35 years of experience in litigation and client representation in multiple areas, including contract, fraud, real estate, energy, insurance, regulatory, health, technology, and financial disputes. His trial, arbitration, and appellate record includes the defense, prosecution, and favorable disposition of contract and tort cases in state and federal courts, including published decisions in favor of his clients. Gary also counsels clients on developing litigation success a...

Amy Warr came to Alexander Dubose & Jefferson after serving five years as an Assistant Solicitor General for the State of Texas. While at the Solicitor General's office, Amy handled many prominent appeals, including the challenge to the Ten Commandments monument on the Texas Capitol grounds in the United States Supreme Court and the 2005 School Finance case in the Supreme Court of Texas. At ADJT, Amy continues a high-level Texas and federal appellate practice. In 2008 she successfully rep...

Sarah A. Nicolas is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Sarah A., who practices law in Austin, Texas, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah A. is held by other top lawyers in the same geographic and legal practice area.

Trent Krienke is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Trent, who practices law in Austin, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Trent is held by other top lawyers in the same geographic and legal practice area.

Brenda L. Clayton practices environmental, energy, and appellate law. Her environmental practice includes regulatory matters involving waste and water such as those arising under the Resource Conservation and Recovery act (“RCRA”), the Clean Water Act (“CWA”), the Texas Water Code, the Texas Solid Waste Disposal Act (“TSWDA”), and other statutes. She handles the defense or prosecution of private environmental litigation such as private suits under the Compr...

Robert E. Reetz, Jr. concentrates his law practice in the areas of Mergers and Acquisitions, Taxation, Corporate Restructuring, Business Organizations, Financing Transactions and Contracts. Bob is both a Certified Accountant and Board Certified in Tax Law by the Texas Board of Specialization, and is able to provide a distinctive perspective on maximizing the shareholder/owner value in a business transaction though the formation, merger, spin off, reorganization, merger or acquisition. Bob man...