Andrew Cook

Vernon Johnson is a trial and litigation attorney representing companies and their management in complex commercial civil litigation. He has experience handling cases and matters in a variety of industries including real estate, defense, health care, manufacturing and financial services. What do you focus on? I help clients in a wide range of industries with their complex commercial litigation disputes and issues and provide assistance and counsel to help solve problems with real estate, cont...

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

Jason M. Branciforte is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Jason M., who practices law in Washington, District of Columbia, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jason M. is held by other top lawyers in the same geographic and legal practice area.

Carole A. Rubin is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. Carole A., who practices law in Reston, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carole A. is held by other top lawyers in the same geographic and legal practice area.

Maria Simon is an award-winning attorney who serves as the firm’s Managing Partner. While Maria’s practice is quite versatile, she specializes in family law, divorce, custody disputes, Collaborative Divorce, business law, and litigation. Frequently appearing in court nationwide on behalf of her clients, Maria has considerable experience in the Federal District Court, U.S. Court of Appeals, Bankruptcy Court, and the State courts of Virginia, District of Columbia, and Maryland. She ...

Kristen Klesh is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law. Kristen, who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristen 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...

Alexis Ronickher jointly serves as the Managing Partner of the firm’s California office and divides her time between San Francisco and Washington, D.C. She represents clients in complex, often high-profile, employment and whistleblower matters, including whistleblower, sexual harassment, and civil rights discrimination and retaliation matters. As part of her whistleblower practice, she represents clients pursuing qui tam claims under the False Claims Act and whistleblower tips through t...

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

Dennis O. Garris is partner-in-charge of the firm’s Washington, D.C. office and is the former co-head of the firm’s securities, mergers and acquisitions practices. His practice focuses on securities and complex Securities and Exchange Commission (SEC) regulatory and disclosure matters and mergers and acquisitions. Mr. Garris is a nationally known expert on SEC regulatory matters, including the proxy rules, tender offer rules, going-private rules and beneficial ownership reporting ...