PRESS RELEASE
22 September 2026

Lewis Brisbois Welcomes Experienced New CFO

LB
Lewis Brisbois Bisgaard & Smith LLP

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Founded in 1979 by seven lawyers from a premier Los Angeles firm, Lewis Brisbois has grown to include nearly 1,400 attorneys in 50 offices in 27 states, and dedicates itself to more than 40 legal practice areas for clients of all sizes in every major industry.
Lewis Brisbois is pleased to welcome Regina (“Gina”) Santoro as the firm’s new Chief Financial Officer (CFO). Ms. Santoro joins Lewis Brisbois from Dentons, where she served as the CFO for Dentons US.
United States

Lewis Brisbois is pleased to welcome Regina (“Gina”) Santoro as the firm’s new Chief Financial Officer (CFO). Ms. Santoro joins Lewis Brisbois from Dentons, where she served as the CFO for Dentons US.

Ms. Santoro is a CPA with over three decades of experience in finance, including at Arthur Andersen and Deloitte, and law firms such as Kirkland and Ellis. She earned her undergraduate degree in accounting from the prestigious Kelley School of Business at Indiana University Bloomington.

“I was immediately drawn to the energy of Lewis Brisbois’ leadership team and its vision for the firm’s next chapter,” Ms. Santoro said. “The opportunity to be part of the firm’s continued evolution and modernization, while serving as an integral member of the leadership team, made this role particularly compelling to me. I look forward to partnering with firm leadership and my team to build on the firm’s strong foundation and help shape what comes next.”

Tim Armstrong, who has served as the firm’s CFO since 2024, will remain in a leadership role as Senior Advisor.

Mr. Armstrong commented, “I am thrilled to welcome Gina to our leadership team and to begin working together on further strengthening our financial infrastructure, streamlining key processes, and ensuring the firm is well-positioned to continue to meet the needs of our clients and professionals now and in the future.”

National Managing Partner Gregory Katz said that Ms. Santoro’s deep experience in the legal industry made her the ideal choice for Lewis Brisbois’ new CFO. “As Lewis Brisbois continues to grow, continued strong financial leadership is essential to supporting our strategic objectives and delivering exceptional service to our clients,” Mr. Katz said. “Gina brings the expertise and collaborative leadership style necessary for us to continue achieving our goals. Tim’s diverse background as a CIO, COO and CFO and his ongoing leadership will be invaluable as we continue to build through strategic hires throughout the country.”

Contributor

Founded in 1979 by seven lawyers from a premier Los Angeles firm, Lewis Brisbois has grown to include nearly 1,400 attorneys in 50 offices in 27 states, and dedicates itself to more than 40 legal practice areas for clients of all sizes in every major industry.
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