William V. O'Connor

Bing Ai Ph.D. is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Bing, who practices law in San Diego, California, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bing is held by other top lawyers in the same geographic and legal practice area.

At Withers Bergman LLP, Steven focuses his practice on estate planning, trust and estate administration, charitable giving and representing tax-exempt organizations. He has designed and used computer modeling to show the economic consequences of various estate planning and charitable giving techniques. Steven is also experienced in the area of executive compensation, focusing on compensation and intermediate sanctions issues for tax-exempt organizations. Steven has represented exempt organiza...

Steven Cologne was elected Managing Partner of the Firm in 2016. He devotes his practice to complex Tort and Commercial litigation in State and Federal Courts. In 2020, Mr. Cologne achieved the distinction of being certified as a Fellow in the Chartered Institute of Arbitrators (CIArb) effective May 2020. On May 4, 2020, he was admitted to practice law in the District of Columbia. Mr. Cologne joined Higgs Fletcher & Mack in 1999 after previously enjoying 15 years as an associate, partner ...

Steven A. Goldfarb, a former longtime co-chair of Hahn Loeser’s national Litigation Practice Area , is a skilled and highly acclaimed trial lawyer practicing in California and Ohio with experience representing companies and individuals across the country in diverse business litigation matters. In addition to leading the firm’s well-recognized Class Action and Title Insurance Industry Teams, Steve has significant experience in unfair competition/trade secrets, insurance coverage/ba...

Conor J. Hulburt is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Conor J., 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 Conor J. is held by other top lawyers in the same geographic and legal practice area.

William Low practices in the areas of complex tort and business litigation, with a current emphasis on professional liability, privacy, information security, product liability, and healthcare. Mr. Low, an HFM Partner, also serves as general counsel for the firm, a role in which he regularly advises the firm’s lawyers on issues related to ethics, conflicts of interest and professional responsibility. In addition, he has served as an expert witness in legal malpractice cases. Throughout h...

John Moot is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. John, 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 John is held by other top lawyers in the same geographic and legal practice area.

Mark A. Spiegler is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Mark A., who practices law in San Diego, California, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark A. is held by other top lawyers in the same geographic and legal practice area.

Thomas D. Luneau is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Thomas D., who practices law in San Diego, California, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas D. is held by other top lawyers in the same geographic and legal practice area.

Laura Nichols is a Shareholder in Buchalter’s San Diego office, and a member of the Tax, Benefits and Estate Planning practice group. Ms. Nichols is a Certified Specialist in Estate Planning, Trust & Probate Law by the State Bar of California Board of Legal Specialization and is also certified as an Accredited Estate Planner® by the National Association of Estate Planners & Councils. Only approximately five percent of California’s attorneys are certified as specialists...