Our Leaders
Our patients deserve the best—and this means assembling the best team of doctors, leaders, caregivers and staff who work together collaboratively to provide high-value, quality care.
Sarah Krevans, President and CEO
Sarah Krevans leads Northern California-based Sutter Health, a not-for-profit health system caring for 3 million patients—or one in every 100 Americans. Ms. Krevans believes that a good leader is a great listener. Listening closely to patients, doctors, employees and community partners helps Ms. Krevans better understand their needs and expectations and helps guide her strategy to build a healthcare model that will help shape the future of our country. Ms. Krevans joined Sutter Health in 1999 as senior vice president of managed care. From 2012 to 2015, Ms. Krevans served as Sutter Health’s chief operating officer, and in January 2016 became President and CEO. Ms. Krevans and her husband have three adult children, and support several organizations focused on serving the needs of children and other vulnerable people.
Read Sarah Krevans’ President’s Message.

Our Board
The talented and dedicated people who lead our organization help us honor our commitment to partnering with patients and each other to deliver high-quality, personalized care. They reflect the diverse communities we serve in Northern California, and bring to Sutter Health an unyielding drive to help our patient live happier, healthier lives.
Sarah Krevans, President and CEO
Sarah Krevans became President and CEO of Sutter Health in January 2016. She resides in Sacramento.
Michael R. Gaulke, Board Chair
Michael Gaulke is chair of the Sutter Health Board. He is also the chairman of Exponent, Inc. For 18 years, he held senior management roles at Exponent, Inc., including 13 years as CEO of the organization, which specializes in engineering and scientific consulting. Before joining Exponent, Mr. Gaulke served as the executive vice president and chief financial officer of Raynet Corporation, a fiber-to-the-curb telecommunications company. Earlier in his career, he was a senior executive at Spectra-Physics and a consultant with McKinsey & Company. In 2008, Oregon State University inducted Mr. Gaulke into its Engineering Hall of Fame. For 30 years, Mr. Gaulke has focused on advancing health care quality and access as a board of trustees member of Sutter-affiliated Palo Alto Medical Foundation. He also currently serves as a member of Sutter Health’s Bay Area Board of Directors.
Mr. Gaulke and his wife live in Atherton.
Herbert (Gubby) Brereton Barlow
Herbert (Gubby) Brereton Barlow, former CEO of Premera Blue Cross, joined Sutter’s board of directors in February 2017. Prior to holding senior leadership positions as CEO, chief operating officer and executive vice president at Premera Blue Cross in Mountlake Terrace, Wash. for almost two decades, Barlow served as chief financial officer and senior vice president at AHI Healthcare Systems in Downey, Calif. He previously served as chief financial officer and held other senior leadership positions at Health Net in Woodland Hills, Calif. Prior to joining Health Net, Barlow was a partner with Deloitte & Touche, where he specialized in auditing and accounting, and assisting clients in mergers and acquisitions. Barlow’s past healthcare industry leadership includes the Blue Cross Blue Shield Association Board of Directors, National Institute of Health Care Management Board, Seattle University College of Nursing Advisory Board, Washington Healthcare Forum Board and the Center for Corporate Innovation.
Vinita Gupta
Vinita Gupta, founder and chairman of Digital Link Corporation, joined Sutter Health’s board of directors in January 2017. Digital Link, which engaged in the design, manufacture, marketing and support of digital wide-area network access products for global networks, went public in 1994 and was later renamed as Quick Eagle Networks. Gupta still serves as chairman, chief executive officer and president. In her early career, Gupta worked as an engineer for GTE Lenkurt and later held engineering management positions at Bell Northern Research (now part of Nortel Networks). Gupta holds two U.S. Patents—one for solid state relay issued in 1984 and another for a square root circuit issued in 1986.
Peter Jacobi
John F. Koster, M.D.
Sharon L. McCollam
Sharon McCollam retired in 2016 as executive vice president, chief administrative officer and chief financial officer for consumer electronics firm Best Buy Co. Inc. Ms. McCollam has decades of experience as a senior leader in the retail industry. Before joining Best Buy, she served as executive vice president, chief operating officer and chief financial officer for home-goods retailer Williams-Sonoma Inc. She also held various finance-related executive positions at Dole Fresh Vegetables Inc., including chief financial officer, vice president and controller. Ms. McCollam serves as a member of the board of directors for Art.com, an online specialty art retailer. She served on the boards of directors for Williams-Sonoma from 2010 to 2012 and for Del Monte Foods from 2007 to 2011. She holds a bachelor’s degree in accounting from the University of Central Oklahoma and is licensed as a certified public accountant. She lives in Redwood City.
David G. Nasaw
Robert R. Peabody Jr., M.D.
Michael A. Roosevelt
A member of the Sutter Health board from 1996 to 2006, Michael Roosevelt rejoined the board in 2009. A Berkeley resident, Mr. Roosevelt served on the California Pacific Medical Center board of directors when the medical center’s then-parent organization, California Healthcare System, merged with Sutter Health in 1996. He was among the original members of the post-merger board and served as board chairman in 2006. In 2007, he led the Sutter Health governance assessment steering committee, which recommended a new regional governance structure for the organization. A shareholder in San Francisco law firm Friedman, McCubbin, Spalding, Bilter, Roosevelt & Montgomery APC, Mr. Roosevelt is a Harvard University graduate. He earned his law degree at Columbia University. Mr. Roosevelt has served as a board member and chairman of San Francisco Home Health Services and the Visiting Nurse Association of San Francisco. A former director of the Berkeley Community Fund, Mr. Roosevelt participates in several professional associations. He serves on the board of directors of the Association for the Preservation of the Presidential Yacht Potomac.
Cheryl M. Scott
A long-time executive with the internationally respected Bill & Melinda Gates Foundation, Scott joined the Sutter Health board of directors in November 2016. Until she retired in July 2016, Scott was the Gates Foundation’s senior advisor, providing strategy counsel and support. She joined the Foundation in 2006 as chief operating officer, overseeing all major operational functions. Scott currently serves as principal at the McClintock Scott Group.
Prior to joining the Gates Foundation, Scott was president and CEO of Seattle-based Group Health Cooperative, a member-governed, non-profit health care system that coordinates care and coverage for more than 600,000 residents of Washington and North Idaho. Her eight-year tenure as CEO capped a distinguished 25-year career with Group Health where she also served as executive vice president and chief operating officer. In 2005, the University of Washington and Group Health created the Cheryl M. Scott/Group Health Cooperative Professorship in Health Care Leadership in the School of Public Health.
Todd Smith, M.D., MBA
An orthopedic surgeon with Modesto-based Sutter Gould Medical Foundation, Todd Smith, M.D. specializes in surgery of the hand and upper extremities. A native of Fresno, Dr. Smith earned an undergraduate degree from University of California, Berkeley, and a master’s degree in business administration from California State University, Hayward. He graduated from Georgetown University School of Medicine in Washington, D.C., and completed his residency training at Vanderbilt University Medical Center in Nashville, Tenn. He also completed a fellowship in hand and upper extremity surgery at the University of Virginia. Dr. Smith currently serves on the board of directors for Sutter Health Bay Area.