Executive Leadership
Scott Robertson, MD
Chief Executive OfficerDr. Scott Robertson is an experienced health care leader with over 25 years of service in both clinical practice and executive leadership. With a track record of success and a passion for innovation, he is strongly committed to encouraging collaboration, leading the way in evidence-based, patient-centered care, and improving access to healthcare across the region. Dr. Robertson holds degrees from Georgetown College, W. P. Carey College of Business at Arizona State University, and the University of Louisville School of Medicine. He is certified by the American Board of Family Medicine.
Theresa Hylen, CPA
Chief Financial OfficerTheresa is an action-oriented leader with a strong track record of performance and growth within large, complex health systems. In 2020, Theresa was awarded the CFO of the Year Award by the Sacramento Business Journal for her leadership during the COVID-19 pandemic. Theresa obtained her Bachelor of Science Degree in Accounting from University of Southern California and her Master’s in Health Administration from the University of Massachusetts.
AC Saechao
System Vice President, People OperationsAC Saechao brings more than 20 years of experience to his role, fueled by a passion for cultivating a positive and engaging employee experience. Since joining Dignity Health Medical Foundation in 2008, AC has progressed through roles of increasing responsibility, including Sr. Labor Relations Specialist, HR Business Partner, Employee and Labor Director, and HR Director. He earned his BA in Labor Law from the University of California, Berkeley.
Cindy Garrett, RN
Physician Enterprise Vice President of Ambulatory QualityCindy Garrett is an accomplished nursing leader with extensive experience in quality management and ambulatory care. She provides strategic vision and direction for ambulatory quality and patient safety initiatives across clinic practices within the California Region. A Board Certified Ambulatory Care Nurse, Cindy holds a Masters in Business Administration from the University of Phoenix and a Bachelor of Science in Nursing from California State University, Sacramento.
Robert Marchuk
Physician Enterprise President – Sacramento MarketRobert is an accomplished, results-oriented Senior Healthcare Executive with a track record of leading high-performing, cross-functional teams committed to a shared vision of patient and population-centered care. Throughout his career, Robert has successfully developed strategies that provide exceptional, accessible patient care. Robert obtained his Bachelor of Science, Radiologic Technology and Master of Public Health Administration degrees from Loma Linda University.
Peter Valenzuela, MD
Physician Enterprise President – Central Valley MarketPeter Valenzuela, MD, brings over two decades of healthcare leadership experience to his role. He is dedicated to advancing strategic, operational, and clinical excellence in the Central Valley. Dr. Valenzuela earned his Doctor of Medicine from UT Southwestern Medical Center and a Master of Business Administration (MBA) from Auburn University. He is a Fellow of both the American College of Medical Practice Executives (FACMPE) and the American College of Physician Executives (FACPE).
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