William V. O'Connor

Ed Chapin is the Managing Partner in the San Diego office of Sanford Heisler Sharp, LLP, a national law firm with offices in the District of Columbia, New York, California, Tennessee, and Maryland. Ed received his J.D. from the University of Missouri School of Law and his B.S. from Southwest Missouri State University. Ed is a veteran litigator whose practice spans class actions, unfair business practices, professional negligence, insurance coverage, bad faith, toxic torts, serious personal in...

Jack Ko is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Jack, who practices law in San Diego, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jack is held by other top lawyers in the same geographic and legal practice area.

John E. Wehrli is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice. John E., who practices law in San Diego, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John E. is held by other top lawyers in the same geographic and legal practice area.

James P. Frantz is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. James P., who practices law in San Diego, California, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James P. is held by other top lawyers in the same geographic and legal practice area.

Catherine M. McBain is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Product Liability Litigation - Plaintiffs. Catherine M., who practices law in San Diego, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Catherine M. is held by other top lawyers in the same geographic and legal practice area.

Amy L. Lessa is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Amy L., who practices law in San Diego, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Amy L. is held by other top lawyers in the same geographic and legal practice area.

Troy Zander is the partner-in-charge of Barnes & Thornburg's San Diego office and a member of the Corporate Department. He focuses his practice on the representation of lenders and companies in documenting technology, life sciences and middle-market financing transactions, including traditional commercial leveraged debt financings, venture debt financings and bridge loans. Troy has represented agents, lenders, participants and companies in credit facilities aggregating in excess of $50 bi...

HFM Partner Susan Moriarty Hack practices general tort and business litigation. With over 30 years of experience as a trial lawyer, Ms. Hack primarily handles business disputes, personal injury, premises liability, professional medical and business negligence, and product liability matters. She is also dedicated to meeting the needs of her clients, as well as raising the standard of practice within HFM and the broader San Diego legal community. Often noted for her considerable enthusiasm for ...

Nicole M. Martinez is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Nicole M., who practices law in San Diego, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicole M. is held by other top lawyers in the same geographic and legal practice area.

Maggie Schroedter is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law, Commercial Litigation and Litigation - Bankruptcy. Maggie, who practices law in San Diego, California, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Maggie is held by other top lawyers in the same geographic and legal practice area.