Robert C. Holtzapple

For over twenty-five years Chris Casamassima has focused on winning complex business disputes for his clients. Chris has handled cases for defendants and plaintiffs involving breach of contract, business torts, fraud, antitrust, environmental claims, trade secrets and many other commercial issues across a variety of industries. Mr. Casamassima aggressively represents his clients, whether litigating a business-to-business contract dispute or defending a bet-the-company class action, mass tort ...

Conal Doyle is an award winning trial lawyer who has received national recognition for his courtroom victories that have had broad reaching impact on society. He is one of the few attorneys in history to argue before the United States Supreme Court and obtain multiple seven and eight figure jury verdicts. His international human rights victory in Castaneda v. United States was a catalyst for the reform of the United States immigration healthcare system, and garnered widespread acclaim from hi...

Roland Achtel is a trust and estate attorney with extensive litigation experience. In his practice, Mr. Achtel prioritizes establishing clear expectations with his clients and maintaining close contact with them throughout each case. Though his legal expertise is highly specialized – trust and probate litigation, trust and probate-related elder abuse, probate conservatorships, trust administration, and general probate matters – his cases are highly diverse. His typical clients inc...

Harry Chamberlain is a Shareholder of Buchalter, an Am Law 150 firm with a dozen U.S. offices. For over 40 years, he has served as trial and appellate counsel on behalf of Fortune 500 companies, and a variety of public and private sector clients in complex litigation matters. He is certified as an Appellate Specialist by the California State Bar Board of Legal Specialization, arguing hundreds of appeals, including numerous cases before the California Supreme Court and the highest state and fe...

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.

PRACTICE AREAS Complex Commercial Litigation White Collar Criminal Defense Trials EXPERIENCE Chase Scolnick specializes in complex civil and criminal litigation. Having tried as lead counsel approximately fifty federal jury trials, Chase is among the most seasoned young trial attorneys in the United States. He has also been one of the most successful. In separate years, Chase led three of the nation’s largest federal districts in both defense trials and wins. In 2017, Chase was the only...

David A. Klein is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. David A., who practices law in Los Angeles, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David A. is held by other top lawyers in the same geographic and legal practice area.

Stefan O'Grady is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates. Stefan, who practices law in Los Angeles, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stefan is held by other top lawyers in the same geographic and legal practice area.

Kim T. Schoknecht is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Kim T., who practices law in Palo Alto, California, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kim T. is held by other top lawyers in the same geographic and legal practice area.

Bio Deborah Chang, one of the founding members of Athea Trial Lawyers, has won record-breaking verdicts and settlements in catastrophic injury and wrongful death cases across the country. As if this wasn’t enough, she’s also a partner at Los Angeles firm Chang | Klein LLP. As a trusted advocate at two powerhouse firms, Deborah has made a name for herself as an attorney capable of fighting complex and high-profile cases. At Athea Trial Lawyers, Deborah has been involved in some of ...