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Leadership team

Meet the Sutter Health | Aetna Leadership Team and Board of Directors

Jeb Dunkelberger Jeb Dunkelberger

Jeb Dunkelberger

Chief Executive Officer

Jeb Dunkelberger leads Sutter Health | Aetna, a jointly-owned healthcare company formed by Sutter Health and Aetna®, a CVS Health company. As CEO, Jeb is responsible for building and leading one of the most innovative, digitally enabled, payer-provider organizations serving the Northern California market. The organization not only benefits directly from the portfolio of services provided by Sutter Health, Aetna, and CVS Health® corporation, but also serves as a catalyst for rapid transformation, trailblazing unprecedented services and experiences for consumers and employer partners.

Jeb’s passion for simplifying and improving healthcare has generated a unique blend of experience from across the sector. Most recently, Jeb served as the executive commercial leader for two of Silicon Valley’s fastest growing companies – Cricket Health, a value-based renal care provider, and Notable Health, a robotics company focused on automating administrative and clinical workflows. Prior to this, Jeb served as an executive at Highmark, the only integrated delivery and financing system (IDFS) amongst the blues, overseeing a value-based strategy that has generated over $1.5 billion in savings for the enterprise, as well as broker management for over 6m members. Jeb also served as one of the initial executives to build out McKesson’s Accountable Care Solutions division, providing technology, analytics, and care management services to payers and providers across the country. Jeb began his career as a management consultant at Ernst & Young (EY) within their healthcare performance improvement practice. 

Jeb has been published over 100 times on a variety of payer and provider topics related to value-based care, including his first book, and is a frequent speaker and guest lecturer across the country. Jeb earned his bachelor’s degree in human nutrition, foods, and exercise from Virginia Tech, a master’s degree in health policy, planning, & financing from London School of Economics & Political Science, a master’s degree in health care innovation from University of Pennsylvania, and a master’s certificate in healthcare leadership & facilities design from Cornell University.

Phil Jackson

Phil Jackson

Board Member

Phil Jackson is a seasoned healthcare leader with a focused career on transformation through integrated care delivery and financing. He’s held leadership roles in health plans, physician groups, clinical service lines, and strategy. 

As CEO of Health Plan Partnerships and Products, Phil oversees Sutter Health’s payer strategy. He has executive oversight for Sutter Health Plus, a provider-sponsored HMO; Sutter Health | Aetna, a joint venture that offers PPO products; and Sutter’s Medicare and Medi-Cal Sustainability initiatives designed to deliver value to Medicare and Medi-Cal-eligible individuals.

Prior to joining Sutter, Phil spent nearly 30 years with Washington-based Providence St. Joseph Health, the nation’s third largest not-for-profit health system that includes a successful health plan covering more than a half-million members. After leadership roles in Providence Health Plan, Phil moved into medical group management. He served as Chief Operating Officer of Providence Medical Group and was promoted to Vice President of Physician Services at the system’s corporate office. Phil concluded his tenure at Providence as the Chief Integration and Transformation Officer for Providence’s California region. He served as President and CEO of Oregon’s Health CO-OP, a nonprofit, consumer-oriented and operated health plan, before joining the Sutter team. Phil earned a bachelor’s degree from Portland State University and a master’s degree from the University of Texas at Austin.

Cara McNulty

Cara McNulty, DPA

Board Member

Cara McNulty, DPA is president of Aetna Behavioral Health, a leading provider of mental health and employee assistance program (EAP) solutions to members around the globe. She oversees a national team that spearheads the development of programs, products and capabilities designed to offer individuals easy access to quality, innovative treatments and meet people along their health care journey, while driving engagement and improving health outcomes through an easy and meaningful experience.

Cara is a highly regarded executive leader and population health scientist whose success in driving population well-being outcomes spans the employer, government, payer/provider, start-up and education sectors. She is known for her ability to integrate confirmed health science into practical business models that drive measurable outcomes.

David Quincy

David Quincy, M.D., M.P.H.

Board Member

David R. Quincy, M.D., MPH, is a family medicine physician and Chief Executive Officer for the South Bay area of Sutter Bay Medical Foundation. He has operational and strategic oversight of approximately 500 physicians and 1,700 employees, in 20 clinical locations who care for over 300,000 patients in Silicon Valley.

Before taking the role of Area CEO in 2015, Dr. Quincy served as the Region Medical Director for the Camino Division of PAMF/PAFMG from 2008 to 2015. He joined the medical group (originally the Sunnyvale Medical Clinic) in 1993, and has continued in clinical practice through the present day. During his 25-year tenure with the medical group, he has also served on the Board of Directors, as family medicine department chair, and as a local site leader. Additionally, Dr. Quincy has served as family medicine Department Chief and Vice-Chief at El Camino Hospital. He is a graduate of three Sutter Health leadership, quality and business development programs including Sutter Health Leadership Academy in 2008.

Dr. Quincy earned his Medical Degree from the Tulane University School of Medicine, and his Masters of Public Health from the Tulane University School of Public Health and Tropical Medicine. His family medicine residency was in San Bernardino California, and he completed a Primary Care Sports Medicine Fellowship here in San Jose in 1993.

Kristen Miranda

Kristen Miranda

Board Member

Kristen currently serves as Aetna’s California Market President and West Region Head, leading a Sales and Network organization that spans eleven states and a P&L in excess of $5 billion. Immediately prior to joining Aetna, Kristen served as Chief Integration Officer for agilon health, an organization founded to drive clinical transformation in provider organizations, a role that leveraged Kristen’s work in health care innovation.

Kristen also served as Senior Vice President of Strategic Partnerships and Innovation for Blue Shield of California, where she helped design and lead its statewide Accountable Care Organization (ACO) program. First implemented in 2010, this ground-breaking program has been described by Health Affairs as “one of the oldest and most successful ACOs in the country." Under Kristen’s leadership, Blue Shield’s ACO program showed consistently impressive results, positioned Blue Shield as a national leader in innovative health plan/provider collaborations, and attracted attention and coverage from a wide range of leading health care organizations, including the Institute of Medicine, Brookings Institution, America’s Health Insurance Plans and the National Health Service in the UK.

Prior to joining Blue Shield, Kristen held leadership positions with Health Net and CIGNA in Provider Contracting and Provider Services. Her experience on the provider side includes the position of Executive Director for a large integrated physician/hospital organization in Northern California. As a consultant, Kristen has worked with a number of healthcare foundations and physician organizations on issues of access.

Kristen holds a degree in anthropology from the University of California, Davis, was an Honors Collegium scholar at the University of California, Los Angeles and studied global negotiation at Harvard Business School. She has been a frequent guest lecturer at University of California, Berkeley, Stanford University and other leading institutions, and is a member of the Health System Transformation Task Force. Kristen sits on the board of directors for both Integrated Healthcare Association (IHA) and Operation Access.

Brigitte Nettesheim

Brigitte Nettesheim

Board Member

As president, Joint Venture Market Operations, Brigitte drives the execution of the business plans for Aetna’s Joint Venture markets with a focus on achieving goals through growth, advancing Aetna’s relationship with the provider and transforming the way care is delivered locally.

Most recently, Brigitte was CEO of Aetna’s Accountable Care Solutions organization. She was responsible for the development, growth and performance of Aetna’s value-based care and contracting models including Aetna’s Whole Health (ACO) product portfolio in support of enhancing local population health models. Inherent in these models is the underpinning transformative clinical and care delivery models.

Prior to re-joining Aetna, Brigitte was a Principal at The Chartis Group, a provider strategy consulting firm, and the leader of their payor segment where she advised clients on strategies and tactics to succeed in the transition to value-based care reimbursement models; conducted in-depth analysis on potential payor-provider business models; and developed product portfolio strategies for provider-owned health plans. In this role, she also served as a health insurance industry expert for multiple media and industry organizations.

Brigitte has years of experience at Aetna in various leadership roles, including Regional Head of Strategy and Operations for Aetna's Accountable Care Solutions (ACS) division. In this role, Brigitte helped build Aetna's ACS division, including negotiating and leading the development of multiple successful provider partnerships. She has also served as the Director of Sales and Service in National Accounts, led national Provider Performance, and Region Head of Medical Economics.

Brigitte earned a master's degree in business administration from the Kellogg School of Management at Northwestern University where she concentrated her studies in health industry management. She received her Bachelor of Science in economics with a minor in systems engineering from the United States Military Academy and served in the United States Army, departing with the rank of Captain.

Rishi Sikka, M.D.

Rishi Sikka, M.D.

Board Member

As President of System Enterprises for Sutter Health, Rishi Sikka, M.D. brings a deep commitment to improving the lives of others and a strong vision for a better patient experience to his role overseeing key integrated services.

Dr. Sikka provides executive oversight of Facility & Property Services, Health Plan Products & Partnerships, Laboratory Services, Mental Health & Addiction Care, Pharmacy Services, Sutter Care at Home, Sutter Surgery Center Division, Sutter Walk-In Care and Sutter Shared Services (including functions like the patient contact center, finance, human resources, revenue cycle and supply chain). 

He also led the establishment of Sutter’s Population Health Services, a new division within System Enterprises focused on further improving care quality, service coordination and care consistencies, and reducing total cost of care.

Dr. Sikka earned his bachelor’s degree in economics at the Wharton School at the University of Pennsylvania and his medical degree from the Mayo Clinic Medical School. He was on faculty in the Department of Emergency Medicine at the University of Illinois Chicago School of Medicine and Boston University School of Medicine. He is co-author of the book, “Leading Healthcare Transformation: A Primer for Clinical Leaders,” and has written for the Wall Street Journal and Harvard Business Review.

Todd Smith

Todd Smith

Board Member

Todd Smith is Vice President of Product Development and Management for Sutter Health. He serves as Sutter Health’s primary health plan market strategist and portfolio manager, ensuring that Sutter maintains an innovative, financially sustainable portfolio of health plan products and relationships to serve all segments.

Since joining Sutter in 1995, Todd has held various executive positions throughout the organization. As Vice President of Strategy and Business Development he led strategic planning, business development, employer, broker and physician sales and relationship management teams. At the Sutter Health East Bay Region, he oversaw strategic planning, marketing and communications teams. He also served as Sutter East Bay Medical Foundation’s interim Chief Operating Officer. As Vice President of Managed Care, Todd led system-wide payer negotiations and managed Sutter Health’s payer relationships.

He has a bachelor’s degree in biological sciences from the University of California, Davis, and a Master of Health Administration from the University of Southern California.

Erich T. Twachtman, MBA

Erich T. Twachtman, MBA

Board Member

As Senior Vice President of Business Development, Erich is responsible nationally for driving new sales, client growth and retention, sales performance setting and monitoring, driving and sharing best practices, executing on distribution strategies and managing consultant relations for National Accounts.

From January 2013 through 2015, Erich served as Regional Head of Sales. As such, Erich led a team of Business Development Vice Presidents throughout the Eastern US. He was responsible for leading business development and growth efforts for Aetna’s largest and most strategic accounts, determining innovative sales strategy and the overall performance of all National Accounts new business sales functions throughout his territory for all Aetna products.

Prior to this, Erich was a Vice President of Client Management since July 2006. In that role, Erich was responsible for senior strategic planning and relationship management for a group of existing National Account clients.

Erich joined Aetna in 1993. After four years working on various plan sponsor administration teams, Erich transferred to National Accounts Sales and Marketing in 1997. He has held various positions within Sales and Marketing including Sales Director. As a Sales Director, Erich was responsible for supporting our National Accounts field sales force by leading a team of Sales Consultants responsible for creating strategically oriented and client focused proposals.

Erich is a graduate of Saint Michael’s College with a Bachelor of Science in business administration and Rensselaer Polytechnic Institute, The Lally School of Management with a Masters of Business Administration in finance and marketing.

Health benefit plans are administered by Sutter Health and Aetna Administrative Services LLC. Sutter Health | Aetna is the brand name used for products and services provided by Sutter Health and Aetna Administrative Services LLC. Sutter Health | Aetna is an affiliate of Sutter Health and of Aetna Life Insurance Company and its affiliates (Aetna). Aetna provides certain management services to Sutter Health | Aetna. Aetna and MinuteClinic, LLC (which either operates or provides certain management support services to MinuteClinic-branded walk-in clinics) are both within the CVS Health family.

This material is for information only and is not an offer or invitation to contract.  Health benefit plans contain exclusions and limitations. Providers are independent contractors and not our agents. Provider participation may change without notice. We do not provide care or guarantee access to health services. Not all health services are covered. See plan documents for a complete description of benefits, exclusions, limitations and conditions of coverage. Plan features and availability are subject to change and may vary by location. Information is believed to be accurate as of the production date; however, it is subject to change.

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