Greg J. Ryan

Shane P. Sanders represents individual and institutional investors in shareholder derivative actions, securities fraud class actions, and mergers and acquisitions actions. Mr. Sanders has litigated a broad range of matters, including cases addressing stock option backdating, the subprime mortgage crisis, board entrenchment and elections, executive compensation, corporate takeovers, violations of the Foreign Corrupt Practices Act and myriad forms of fraud, including violations of federal secur...

Ryan H. Nell is an employment attorney responsible for representing California employers statewide in both counseling and comprehensive litigation support. With the ever-changing landscape of California and federal employment law, Ryan prides himself on assisting clients in staying ahead of the curve in an effort to avoid legal trouble before it arises. He has extensive experience representing clients in harassment, retaliation, and discrimination matters, as well as large-scale wage and hour...

John P. Cleary is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. John P., 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 P. is held by other top lawyers in the same geographic and legal practice area.

Mark Wicker provides strategic advice to companies and entrepreneurs to successfully exploit the latest technologies in a broad range of industries, including the life sciences, high technology, wireless, social media, clean technology, chemical, and materials sciences industries. Mr. Wicker has extensive experience developing innovative and effective business models, strategic alliances, partnerships, technology transactions and other business solutions for unique situations and problems. He...

Erwin Shustak is the founder and Managing Partner of the Firm. He heads the Litigation and Arbitration Department, with over 40 years of extensive experience in a wide variety of complex disputes and transactions, across the country and overseas. Mr. Shustak specializes in litigations, trials, arbitrations and appeals of complex securities, financial and business disputes, with a particular emphasis in the areas of securities and financial services and regulation law. Few attorneys have the d...

Patty M. DeGaetano is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Patty M., 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 Patty M. is held by other top lawyers in the same geographic and legal practice area.

Aaron M. Olsen is a partner at Haeggquist & Eck, LLP, and a trial lawyer standing up for employees who have experienced retaliation, discrimination, sexual harassment, and sexual assault. Aaron has resolved hundreds of individual labor and employment law cases on behalf of employees. He has recovered millions of dollars in damages. Notably, Aaron was on the trial team in a unique associational disability discrimination matter against Kaiser Permanente that resulted in one of the top 50 la...

Dan Mogin was admitted to the State Bar of California in 1980. He is also admitted in The Supreme Court of the United States, the United States Court of Appeals for the Ninth, Seventh and Second Circuits and the United States District Courts for the Southern, Central and Northern Districts of California. Mr. Mogin’s practice concentrates on antitrust, unfair competition and complex business litigation. He has been selected as lead or liaison counsel in numerous cases and has also freque...

Christine De Santis is a Partner at HFM and is certified as a legal specialist in family law by the State Bar of California. Ms. De Santis specializes in handling dissolution of marriage and paternity cases, child custody and visitation, child support and spousal support, and division of assets and debts, and mediations. She also handles step-parent adoptions and child support cases through the San Diego County Department of Child Support Services. Ms. De Santis has been named a San Diego Sup...

After two decades prosecuting white collar crimes in federal courts throughout the country, Eric Beste now represents businesses and individuals facing domestic and international investigations and enforcement actions. A seasoned trial lawyer with a natural aptitude for advocacy, Eric takes each client’s story and turns it into a compelling narrative to achieve the best possible result. Eric focuses his practice on white collar criminal defense, internal investigations and compliance ma...