Mariann Byerwalter is a highly experienced board leader with a distinguished record of governance and executive leadership across global financial services, healthcare, research and non-profit institutions. Ms. Byerwalter is currently the Chairman of the Board of Directors of Pacific Life Insurance Company and serves as Lead Independent Director of Franklin Resources, Inc. She chaired the Board of Directors of Stanford Hospital and Clinics (now Stanford HealthCare) for eight years, and served as the Interim CEO. Ms. Byerwalter was also Chairman of the Board of SRI International.

She served three terms on the Stanford University Board of Trustees and has also served on the boards of Lucile Packard Children's Hospital and SchwabFunds. Over the past three decades Ms. Byerwalter has served on numerous additional private, public, and nonprofit boards.

Ms. Byerwalter was chief financial officer and vice president of Business Affairs at Stanford University, and special assistant to the president. Prior to this, she was an entrepreneur. Ms. Byerwalter was a partner and co-founder of America First Financial Corporation, which raised funds to purchase and turnaround failed savings and loans from the government. Under her leadership, the company acquired EurekaBank, a $2.4 billion institution in the San Francisco Bay Area, and purchased and consolidated numerous other previously failed savings institutions. Ms. Byerwalter was the Chief Operating Officer, Chief Financial Officer and a Director of AmericaFirst Eureka Holdings, the holding company for EurekaBank, a publicly traded institution, until the company was sold. Prior to that, she was vice president for strategic planning and corporate development at BankAmerica Corporation managing acquisitions and divestitures.

Before earning her Masters Degree in Business Administration (MBA) from Harvard Business School, Ms. Byerwalter earned a Bachelors Degree in Economics and Political Science/Public Policy from Stanford University.