We never lose sight of our clients' objectives, and we work creatively to achieve them.
~ Dean Zipser

Ryan S. Dean
- (949) 679-0052
- [email protected]

Ethan Feng
- (949) 679-0052
- [email protected]
Ethan Feng is an associate at Umberg/Zipser where he focuses his practice in complex commercial litigation, professional liability disputes, and employment litigation.

Martin Fessenmaier, Ph.D.
- (949) 679-0052
- [email protected]

Mark A. Finkelstein
- (949) 679-0052
- [email protected]
Mark Finkelstein is a partner at Umberg/Zipser with more than 25 years of intellectual property and complex litigation experience.

Scott B. Garner
- (949) 679-0052
[email protected]
Scott B. Garner is a partner at Umberg/Zipser in Irvine, California. He represents clients in complex business litigation matters, with a particular focus on professional liability disputes and ethics counseling.

Amy Lesperance Han
- (949) 679.0052
- [email protected]

Phillip R. Kaplan
Partner
(949) 679-0052- [email protected]
Phillip R. Kaplan is a recognized leader in the Orange County legal community, and is an accomplished business trial lawyer with a record of handling his client’s most difficult cases.

Ellen S. Kim
- (949) 679-0052
- [email protected]
Ellen Kim is an Associate at Umberg/Zipser LLP where she focuses her practice in complex commercial litigation. Prior to joining the firm, Ellen was an Associate at Jones Day. Ellen also served as a law clerk to the Honorable Diana Saldaña in the United States District Court for the Southern District of Texas and to the Honorable Robert Huie in the United States District Court for the Southern District of California.

Molly Magnuson
- (949) 679-0052
- [email protected]
Molly Magnuson is an experienced, results-oriented litigation attorney. Molly’s experience comes not only from working for significant clients, but also from working in some of America’s top law firms, which has created exposure to high-stakes, complex commercial litigation.

Priti Phukan, Ph.D.
- (949) 679-0052
- [email protected]

Carole E. Reagan
- (949) 679-0052
- [email protected]

Todd W. Smith
- (949) 679-0052
- [email protected]

Adina W. Stowell
- (949) 679-0052
- [email protected]
Adina Stowell specializes in complex litigation involving corporate, commercial, trade secret, and real estate disputes in both state and federal courts.

Mei Tsang
- (949) 679-0052
- [email protected]

Thomas J. Umberg
- (949) 679-0052
- [email protected]

Dean J. Zipser
(949) 679-0052- [email protected]
Dean J. Zipser is a recognized leader in the Orange County legal community, having served as President of the Orange County Bar Association (OCBA) along with many other professional leadership positions.