Jeffrey S. Wettengel

For more information, please visit www.gibsondunn.com/lawyer/diamant-michael/ .

Jay R. Nanavati is an accomplished litigator, a former federal tax prosecutor, and a founding partner of Kostelanetz LLP's Washington, D.C., office. He has developed an enviable record of success in persuading the government to terminate investigations of his clients and in defeating the government in court. Mr. Nanavati maintains a nationwide practice, focusing on white-collar criminal defense with an emphasis on tax-related matters. He represents individuals and entities facing investigatio...

Steven A. Kaplan is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Securities Regulation. Steven A., who practices law in Tysons, Virginia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven A. is held by other top lawyers in the same geographic and legal practice area.

Brenda Jackson-Cooper is a top attorney recognized by Best Lawyers in the practice area(s) of Closely Held Companies and Family Businesses Law. Brenda, who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brenda is held by other top lawyers in the same geographic and legal practice area.

Shirley Steinbach represents companies and individuals seeking to resolve a myriad of business and personal disputes through litigation, arbitration, mediation and settlement. She counsels clients to help them make sound strategic business and legal decisions. One client has said that “what most impresses me about Shirley is her professional demeanor and temperament. Lawyers who are all ‘fire and brimstone I-was-born-a-pitbull-and-will-fight-for-you (for an appropriate fee!)&rsquo...

Vincenzo is one of the four founding partners of Rock Creek Energy Group. Vincenzo represents generation owners and developers, energy traders, private equity firms, financial institutions, and other investors on transactional, regulatory, and compliance matters involving the Federal Energy Regulatory Commission (FERC) and advises clients on the requirements of the Federal Power Act, the Public Utility Holding Company Act of 2005, and the Public Utility Regulatory Policies Act of 1978. ‍ ...

Micah Bonaviri is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Micah, who practices law in Rockville, Maryland, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Micah is held by other top lawyers in the same geographic and legal practice area.

Lars Golumbic serves as the co-chair of the firm’s Litigation Practice. His ERISA litigation practice includes the defense of “excessive fee” and ESOP class actions brought against plan sponsors, fiduciaries, and service providers. Lars also represents health plan sponsors and health insurers in actions brought under the Mental Health Parity and Addiction Equity Act. Additionally, Lars defends plan trustees, fiduciaries, companies and their board members, and service provide...

Jeff represents every regulatory and transactional concern of equipment manufacturers and government contractors, as well as wireless, video and data providers, and end-users. He represents equipment manufacturers with respect to all applicable FCC regulations, including those governing importation, emissions compliance, equipment authorization/labeling, and marketing. Jeff has extensive experience in matters relating to experimental licensing for military, homeland security and other high-te...

Kevin P. O’Brien is a partner in the firm’s Employee Benefits and Executive Compensation practice. His practice has concentrated in employee compensation and benefits for over 30 years. Kevin is widely known as a leader in a wide variety of subjects, including innovative defined benefit plan design, flexible benefits, ERISA fiduciary matters and executive compensation. Before joining the firm, Kevin worked in the Pension and Welfare Benefits Administration at the Labor Department ...