Babette P. Aalberts

Mark Dundon is a tax partner in the Houston office of Kirkland & Ellis LLP. Mark’s practice focuses on the tax aspects of complex mergers, acquisitions, divestitures, joint ventures, restructurings and financing transactions, primarily in the energy industry. He has represented large and mid-cap private equity funds and their portfolio companies, as well as large public and private corporations.

Mr. Wentzell practices in the areas of employee benefits law, ERISA and taxation. Mr. Wentzell represents clients in the areas of qualified and non-qualified retirement plans, health and welfare plans, ERISA, fringe benefits, and compliance with other federal laws relating to employee benefits matters. Mr. Wentzell assists clients in designing and drafting plans, advises clients regarding the legal requirements for operating and administering plans, and prepares and submits filings to the Int...

Keith is a member of Butler Snow’s Constitutional and Civil Rights Litigation Group.

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...

Sarah Moore Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Sarah Moore, who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah Moore is held by other top lawyers in the same geographic and legal practice area.

William X. Lang is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. William X., who practices law in New York, New York, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William X. is held by other top lawyers in the same geographic and legal practice area.

Patrick Taurel is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Patrick, who practices law in Bethesda, Maryland, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick is held by other top lawyers in the same geographic and legal practice area.

Ron has accumulated a vast amount of first chair trial experience. As an Assistant United States Attorney in Miami for seven years, he tried several large criminal cases. In his final year as a federal prosecutor, he served as Deputy Chief of the Major Crimes Division of the U.S. Attorney’s Office. Ron’s broad trial and litigation skills allow him to represent clients in diverse types of disputes in nearly any locale in the country. Since joining Varnum, Ron has tried and litigate...

Bill Athanas represents companies and individuals in government enforcement matters, focusing on federal grand jury investigations. He has almost 30 years of white-collar experience, roughly a third of which was spent as a federal prosecutor in Washington, D.C. and Birmingham. Bill has handled hundreds of complex criminal cases and represented clients in all facets of those matters – whether as subjects, targets or witnesses, or those who simply receive subpoenas for documents. In repre...

John W. Proctor is the Managing Partner of Brown Dean. He has over 30 years of experience in civil trial law. Mr. Proctor has been board certified in civil trial law since 1990 and represents railroad and aircraft manufacturers in difficult and often emotionally charged personal injury and wrongful death litigation and consistently obtains successful results for his clients. Since 2002, he has been listed in the Best Lawyers in America and has been named a Texas Super Lawyer by Thomson Reuter...