Marvell brings over 20 years of experience serving caregivers and older adults. He has held leadership roles, including CEO of a large life plan community and COO within the Kendal System. Marvell is a skilled dementia care coach and a passionate advocate for diversity, equity, inclusion, and accessibility in caregiving. He has earned numerous recognitions, including LeadingAge NY Administrator of the Year and Forty Under 40. Marvell also serves on boards like LeadingAge and Pioneer Network. He lives in Baltimore, MD, with his spouse and three children.

Connie Siskowski, RN, Ph.D., Founder and President of the American Association of Caregiving Youth (AACY), is an alumna of Johns Hopkins University, New York University, and Lynn University, where she earned her Ph.D. in 2004.

A highly respected expert in the field of caregiving, Dr. Siskowski has received numerous national honors, including a lifetime Ashoka Fellowship, the Purpose Prize, and recognition as one of CNN’s Top Ten Heroes. She also received the Johns Hopkins University Distinguished Alumna Award, the Palm Beach County Medical Society’s Heroes in Medicine Award for Community Outreach, and was named a Woman of Grace by the Bethesda Hospital Foundation.

She serves on the RAISE Family Caregiving Advisory Council of the U.S. Department of Health and Human Services, along with several other local and national boards and committees.

Kristen M. Kiefer joined Generations United as Executive Director in August 2025. At Generations United, Kristen champions efforts that support grandfamilies and kinship caregivers, elevate innovative intergenerational programs, and advance policies and infrastructure grounded in the lived experiences across the life span. Kiefer is deeply committed to ensuring that people of all ages are not only supported, but meaningfully included in shaping programs, priorities, and systems. Her leadership reflects a core belief: that every generation is an asset and when generations are intentionally connected, communities are more resilient and prepared for the future.
Kiefer is a seasoned nonprofit leader and stalwart advocate with more than 25 years of experience across aging, education, public policy, and community development. She began her career in the office of U.S. Senator John Glenn, an experience that shaped her lifelong commitment to public engagement and principled leadership.