Your Path to Health and Independence
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Meet SteppingStone's Management Team.



Program Directors

At each of our four ADHC Centers, SteppingStone's caring and compassionate staff are led by our diverse and highly skilled team of Program Directors. In addition to overseeing program activities and supervising staff, Program Directors are instrumental in helping our interdisciplinary care team develop each participant's individualized care plan, and ensuring his or her success in our program.



Golden Gate Center
Lilian Uwuseba. Lilian Uwuseba, PhD, MSPH, MPA, CHES, joined Steppingstone on March 27, 2017 as the program director for Golden Gate center. Lilian has a PhD in public health with an emphasis on community health education, promotion, and prevention, a Master of Science in public health from Walden University, she also has a Master of public Administration with emphasis on non-profit organization/government from Keller school of management of Devry University, and she is a certified health education specialist. Lilian has over 15 years’ experience in the mental health/substance use disorder field. Before joining Steppingstone, Lilian was director of mental health services for Westside community services SF, director of services Drug Abuse Alternative Center Santa Rosa, and program director for some SF city/county contracted programs. Lilian is involved in research, of which her research area is on knowledge, behaviors, and attitudes of African American women towards breast cancer screening.


Mabini Center
John Tinloy John began his social work career in 1979 as a Psychiatric Social Worker at Stockton State Hospital. He became a Licensed Clinical Social Worker in 1982 and continued as a Counselor at Golden Gate Regional Center in San Francisco. In 1987, John joined SteppingStone (formerly North & South of Market ADHC), at 653 Geary, as the Social Worker and soon stepped into the Program Director role. He worked with founding Executive Director, Marilyn Beffort, and alongside her successor, Elizabeth Boardman, who developed the four centers we have today. John served as the first Program Director at Mabini, Presentation and Mission Creek Centers. In 2007, John accepted the Medical Social Work Supervisor position at San Francisco General Hospital gaining invaluable experience in acute health care including emergency department services. In 2012, John returned to SteppingStone, to resume his passion for adult day health care, as a Social Worker. In 2016, he resumed the Program Directorship at Mabini Center.


Mission Creek Center
Briana Lewis.  After more than 15 years of social work experience in both public service and the non-profit sector, Briana joined the Mission Creek team in September 2014, as the Behavioral Health Specialist, providing mental health support to participants in the Adult Day Health Center, as well as to the residents of the on-site Mission Creek Senior Living Community. In August 2016, Briana was thrilled to deepen her involvement with Stepping Stone and its mission by joining the team of Program Directors. Briana obtained a Masters in Social Welfare from UC Berkeley, is a Licensed Clinical Social Worker, and holds a post-masters certificate in Palliative Care Studies from CSU San Marcos.


Presentation Center
Nicole Clause joined the staff of NSM-ADH in 2001 as the Activity Coordinator at Presentation Day Health. Her hard work and commitment earned her a promotion to Program Director in 2005. Nicole has dedicated her professional career to serving seniors, the homeless, and other disenfranchised populations. Prior to joining the staff of NSM-ADH, Nicole coordinated The Living Room Drop-in Center at St. Anthony's, managed The Friendship Center at Services for Seniors, and served as the Program Manager at Crestwood Manor, a geriatric psychiatry facility in Stockton, CA.


Development Director
Paul Boneberg



HR Director
Charles Barragan, SPHR, SHRM – SCP joined SteppingStone in July 2017 as the Director of Human Resources. Charles is a Human Resources professional with extensive experience as a strategic member of HR leadership teams and strong business acumen developed through 30 years of progressive growth in diverse workplace settings. Prior to joining SteppingStone, Charles served in a number of HR roles including HR Manager for Edgewood Center for Children and Families, Director of Human Resources for Toolworks, Inc., and as a HR Consultant for the University of California Office of the President (UCOP). Charles obtained a Bachelor of Arts in Government from the University of San Francisco, earned HRCI SPHR and SHRM-SCP HR certification, and obtained extensive training and certification in leadership competency and talent development from NISH Academy and UCOP.

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