Jonathan Harris

Roger S. Kobert is a Partner in Barton’s Litigation Group in New York. As a trial attorney with more than 35 years’ experience, Roger represents foreign and domestic businesses, individuals, and governments in litigation, arbitration, and appeals, leading cross-border, multinational, and domestic dispute resolution teams focused on resolving disputes. Roger handles a wide range of matters, including commercial, financial, and real estate disputes; banking; directors and officers l...

Anjan Sahni serves as the firm’s managing partner. Mr. Sahni represents companies, boards, and senior executives in federal and state government investigations, litigation, and crisis-related matters. He returned to WilmerHale in 2015, after having been a federal prosecutor for over a decade at the United States Attorney’s Office for the Southern District of New York, where he served in various senior roles. Since 2005, Mr. Sahni has been lead counsel in a dozen federal criminal t...

Kenneth R. Larywon is a senior partner and trial attorney, focusing his practice on the defense of professional liability cases and healthcare law matters. For over 30 years, Mr. Larywon has defended physicians and hospitals in claims arising out of the delivery of medical care. He has also represented healthcare professionals in disciplinary proceedings before the Office of Professional Medical Conduct and the Department of Education. Mr. Larywon has extensive experience in counseling and de...

Anne Karl is a lawyer recognized by Best Lawyers in the practice area of Health Care Law. Anne practices law in New York, New York Best Lawyers has recognized Anne Karl since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Anne Karl is held by other lawyers.

Philip H. Cohen is a lawyer recognized by Best Lawyers in the practice area of Product Liability Litigation - Defendants. Philip H. practices law in New York, New York Best Lawyers has recognized Philip H. Cohen since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Philip H. Cohen is held by other lawyers.

Michael M. Rosensaft is a lawyer recognized by Best Lawyers in the practice area of Criminal Defense: White-Collar. Michael M. practices law in New York, New York Best Lawyers has recognized Michael M. Rosensaft since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Michael M. Rosensaft is held by other lawyers.

Mr. Greifer regularly handles matrimonial matters involving large and complex marital estates. Mr. Greifer has a well-earned reputation for strategic thinking, financial acumen and successful representation of clients in all facets of matrimonial litigation. Mr. Greifer’s litigation track record and professional reputation often fosters a conducive environment for settlement without the need for litigation, although if litigation is necessary, Mr. Greifer is an effective, efficient and ...

For more information, please visit www.gibsondunn.com/lawyer/mark-richard-w/ .

Erik Kristensen is a founding partner of Kristensen Law Group P.C., a law firm devoted exclusively to the practice of matrimonial and family law, serving the New York metropolitan area, and located in White Plains, New York. Mr. Kristensen’s comprehensive practice includes litigating matters from commencement through trial, appeals, settlement through negotiation, prenuptial/postnuptial agreements and post-judgment matters.Mr. Kristensen is a recognized leader in his field, receiving nu...

Mr. Maya grew up in Brooklyn, New York. He attended New York University. While at NYU, he worked as a paralegal for Brown, Wood, Ivey, Mitchell & Petty (now Sidley Austin Brown Wood). He also interned for the Legal Aid Society of New York and Legal Services of New York City. Upon graduating from NYU, Mr. Maya worked full time as a paralegal prior to attending law school at the University of Michigan. Upon graduating from Michigan Law School, Mr. Maya began his legal career at Rogers &...