Leadership

David Werdegar, MD, MPH
President and CEO
David Werdegar, MD, MPH, was appointed President and CEO in 2002, bringing
many years of experience in medicine, public health, and health care administration
to the organization. From 1991 to 2000, Dave served as Director of the California
Office of Statewide Health Planning and Development, helping to determine health
policy for the State, monitor quality of care in health facilities, and oversee
statewide programs to recruit minorities into the health care professions. From
1985 to 1990, Dave was the Health Director of San Francisco, where he led the
city’s community-wide response to the AIDS epidemic by developing a comprehensive
program that emphasized prevention and early intervention. As Health Director,
he also supported the expansion of community-oriented primary care services
throughout the city, and established innovative programs for drug abuse treatment
and care of the mentally ill. Dave is a Professor Emeritus of the University
of California, San Francisco, where he served as Chairman of the Department
of Family and Community Medicine. He is currently Chair of the Kaiser Permanente
Arbitration Oversight Board.
Email: dwerdegar@ioaging.org

Ken Donnelly
Executive Vice President
Ken Donnelly has been with IOA since 1995. Prior to his current role, he served
as Chief Financial Officer and Acting President. He has also held the position
of Chief Financial Officer for Mount Zion Health Systems, served as Director
of Finance for Conard House in San Francisco, and been the Assistant Controller
for the Motion Picture and Television Fund in Woodland Hills, California. Ken
earned a Bachelor of Science degree in Accounting from the University of Oregon.
He is a past President and Member of the Board of Directors of Bethany Center
Senior Housing.
Email: kdonnelly@ioaging.org

Cindy Kauffman, MS
Vice President, Adult Day Programs
Cindy Kauffman is the Vice President of IOA’s Adult Day Programs. She
started her professional career working with people with disabilities and received
her Master’s degree in the field of Rehabilitation Counseling. She has
always had an interest in working with older adults and began as a volunteer.
She has worked as a Social Worker, Educator, Counselor and Director with frail
seniors and people with memory problems. Cindy provides educational lectures
and training for the community, as well as professionals, on caring for people
with Alzheimer’s Disease. Cindy currently serves as President, on the
Board of Directors for California Association of Adult Day Services and is the
chair of their Legislative Committee.
Email: ckauffman@ioaging.org

Tessa ten Tusscher, PhD
Vice President, Clinical Programs
Tessa ten Tusscher, PhD, is a clinical psychologist who specializes in working
with older adults. She currently serves as the Vice President of the Institute
on Aging’s Clinical Programs, overseeing out-patient programs that aim
to maintain seniors safely in the community. Prior to joining the IOA, Tessa
was the founder and president of Bay Area Psychological Testing Associates,
the largest psychological diagnostics company in Northern California. She has
been a research psychologist and consultant to numerous agencies including UCSF/Mount
Zion Medical Centers, Elan Pharmaceuticals, Adult Protective Services, and several
large San Francisco law firms. Tessa has taught extensively, both as a training
psychologist, and at the University of California at Berkeley as a visiting
scholar in sociology. She has provided expert testimony in a number of criminal
and civil cases involving elder abuse, capacity, and the effects of dementia.
Tessa is an active member of the American Society on Aging and is a past board
member of the California Psychological Association.
Email: ttentusscher@ioaging.org

John Sedlander, MBA
Chief Financial Officer
John Sedlander has served as IOA's Chief Financial Officer since May 2006. In
that role he takes responsibility for accounting, financial analysis, budgets,
and reports to funding agencies. Prior to that he was Resource Development Director
for West Bay Housing Corp, a non-profit organization that develops housing for
adults with developmental disabilities. From 2001 through 2004 he was Director
of Operations for Committee on the Shelterless, where he oversaw the project
management and construction of a 130-bed homeless shelter and transitional housing
facility. John's work in non-profits followed thirty years' experience with
manufacturing firms where he performed various duties including Director of
Financial Analysis, Controller, and Director of Distribution. His MBA degree
is from the University of Michigan.
Email: jsedlander@ioaging.org