CMS Leadership

Chief Operating Officer

Jonathan Blum

Principal Deputy Administrator & Chief Operating Officer

Jonathan (Jon) Blum currently serves as the Principal Deputy Administrator and Chief Operating Officer at the Centers for Medicare & Medicaid Services (CMS). In this dual role, Jon oversees CMS’s program policy planning and implementation and day-to-day operations of the entire agency. CMS’s programs provide health coverage to more than 147 million individuals, spending more than $1 trillion in annual benefits with an annual operating budget of more than $6 billion.  

This is Jon’s second time serving in a senior leadership position at CMS. He previously served as the Deputy Administrator and Director of the Center of Medicare from 2009 – 2014, leading the agency’s Medicare payment and delivery reform strategies and the policy and program management of the Medicare program.

Jon has more than 25 years of public- and private-sector experience working in health care policy and administration. In addition to his positions at CMS, he has worked as a strategy and management consultant, an Executive Vice President for Medical Affairs at CareFirst BlueCross BlueShield, professional staff at the Senate Finance Committee, and a program analyst at the Office of Budget and Management. 

Prior to joining CMS, Jon served on several nonprofit boards with missions to improve access and equity to health care and health coverage, including Mary's Center, a Federally Qualified Health Center; the Primary Care Coalition of Montgomery County; and the Medicare Rights Center.

Jon earned a Master of Public Policy from the Kennedy School of Government at Harvard University and a Bachelor of Arts from the University of Pennsylvania.

Karen Jackson

Deputy Chief Operating Officer

Karen Jackson is Deputy Chief Operating Officer. In this capacity she provides executive leadership for CMS’s mission support functions, including information technology, budget, human capital, security, contracting and acquisition, risk management and continuous improvement for an agency responsible for over 148 million beneficiaries in Medicare, Medicaid, the Children’s Health Insurance Program (CHIP), and the health insurance marketplace. 

Karen served as Deputy Director of the CMS Innovation Center, established in 2010 as part of the Affordable Care Act to test new health care payment and service delivery models that improve quality and lower costs, with $10 billion for the initial 10 year period. Karen began her SES career as the Director of the Medicare Contractor Management Group in the Center for Medicare where she oversaw the successful movement of the national Medicare fee-for-service claims volume (1 billion claims processed annually) into performance-based contracts, completing this $5 billion contract conversion in September 2013.

She holds a Master of Public Policy degree from the Gerald R. Ford School of Public Policy at the University of Michigan and an undergraduate degree from James Madison College at Michigan State University.


Page Last Modified:
12/22/2021 08:20 AM