This election reflects Umberg/Zipser’s thoughtful approach to long-term succession and its continued commitment to strategic growth, client service, and firm culture.
“Mark has been an integral part of Umberg/Zipser’s success and evolution,” said Dean Zipser. “He is deeply respected by our partners and clients alike, and he brings a steady, collaborative leadership style that reflects our firm’s values. I am proud of what we’ve built together and confident that Mark is the right person to lead the firm into its next chapter.”
Mark has been a key leader within the firm, and is known for his stellar legal and business judgment, client-first mindset, and ability to navigate complex challenges. As Managing Partner, he will focus on guiding the firm’s long-term strategy while maintaining the culture of excellence and collegiality that has defined Umberg/Zipser since its founding.
“It’s an honor to step into this role and to follow Dean, whose leadership and vision shaped the firm from day one,” said Mark. “Umberg/Zipser has always been about unwavering legal advocacy, a commitment to our community, and working as a team to deliver unmatched service to our clients. I look forward to building on the foundation that Dean tirelessly built for over a decade.”
About Umberg/Zipser LLP
Umberg/Zipser LLP is a leading law firm based in Irvine, California. With a team of highly skilled attorneys, the firm is known for its sophisticated business litigation and intellectual property practices. Umberg/Zipser is recognized for delivering strategic, results-driven solutions tailored to each client’s business objectives.
Media Contact:
Kristina Hawfield
Communications Consultant to Umberg/Zipser LLP
949-278-0973
[email protected]







