Executive Leadership
John L. Jenkins, MBA
Interim Chief Executive Officer
John has nearly 30 years of experience helping companies and organizations transform and serve people more effectively. He specializes in leading complex organizational turnarounds, particularly for service-based organizations facing structural or financial challenges.
John’s expertise in human-centered transformation aligns people, strategy, and operations to create lasting results. He’s worked with companies of all sizes — from small entrepreneurial teams to businesses with more than 10,000 employees and $4 billion in revenue —growing and supporting teams from frontline staff to senior executives.
Throughout his career, John has guided companies through restructuring, operational improvement, and growth. As President of AWL, he led efforts to strengthen liquidity, restructure debt, and improve performance, positioning the business for long-term success. Earlier, as Chief Operating Officer at Valassis, he oversaw large-scale operational change and helped modernize the company’s service model. Before that, he held senior management roles at several pioneering internet companies during periods of dynamic transformation.
A third-generation advocate for community health, John continues his family’s commitment to expanding access to care for underserved communities. His father, Dr. William M. Jenkins Jr., was the first Black resident at UCSF Children’s Hospital Oakland and went on to provide pediatric care to more than a million patients over a 50-year career. John later led his father’s practice and oversaw its merger with LifeLong Medical Care in 2012, joining the organization’s Board of Directors soon after.
John earned his BA from Princeton University and his MBA from The Wharton School at the University of Pennsylvania. He currently serves on the Boards of Directors of AgeWell PACE, Community Health Center Network, Alameda Health Consortium, and Advocates for Community Health.
Outside of work, John enjoys spending weekends coaching youth softball, cheering on the Warriors, and shuttling his daughters to and from all their activities.
John L. Jenkins, MBA
Interim Chief Executive Officer
Kimberly Ceci, MD, MPH
Interim Co-Chief Medical Officer
Dr. Kim Ceci is honored to serve the community as part of the LifeLong team. Her journey began at Davidson College, where she earned a Bachelor of Science, followed by a Master of Public Health from Tulane University with a focus on International and Maternal/Child Health. Dr. Ceci received a Doctor of Medicine from St. George’s University School of Medicine and completed a family medicine residency at the University of New Mexico Family and Community Medicine Residency Program.
After finishing residency in 2011, Dr. Ceci began her career as a board-certified family medicine physician at Brookside Community Health Center, now known as LifeLong Brookside San Pablo Health Center. Since 2013, Dr. Ceci has served as Associate Medical Director, becoming Deputy Chief Medical Officer in 2024. In Spring 2025, Dr. Ceci stepped into the role of Interim Chief Medical Officer and now continues to serve as Interim Co-Chief Medical Officer.
Outside of work, Dr. Ceci enjoys spending time with family and friends, exploring new places, gardening in the backyard, playing soccer with their kids, and making music on the piano.
Kimberly Ceci, MD, MPH
Interim Co-Chief Medical Officer
Magdalen Edmunds, MD, MPH, FAAFP
Interim Co-Chief Medical Officer & Designated Institutional Official
Dr. Edmunds is a board-certified family medicine physician specializing in systems practice improvement, group care and teaching. She has leadership experience in health center operations, quality improvement, and Graduate Medical Education. Throughout the past decade she has served as a primary care doctor, medical director, QI director, Core Faculty, Group visit facilitator and trainer, Deputy Chief Medical Officer and Designated Institutional Official. Most recently, she completed fellowship training through the California Health Care Foundation Leadership Program.
Magdalen Edmunds, MD, MPH, FAAFP
Interim Co-Chief Medical Officer & Designated Institutional Official
Jason Reinking, MD
Interim Co-Chief Medical Officer
Jason Reinking, MD is a family physician serving as Co-Chief Medical Officer for LifeLong Medical Care. He has been a street medicine, primary care, and medical respite provider for unsheltered patients since graduating from Contra Costa Family Medicine Residency in 2014. He has pursued a career in caring for patients experiencing homelessness and has overseen the development and maintenance of multiple street medicine programs, brick and mortar clinics, and medical respites servicing thousands of patients.
Dr. Reinking has completed global health, primary care psychiatry, and leadership fellowships with significant experience in emergent/urgent care, addiction medicine, and point of care ultrasound–all part of a large toolbelt with which to provide goal-oriented, harm reduction grounded, empathic, and compassionate care to the unsheltered and marginally sheltered population. Between patients and consults he loves camping the west, exploring the mountains, pedaling the world, and enjoying the various cuisines of our world with his wife and two kids!
Jason Reinking, MD
Interim Co-Chief Medical Officer
Miriam Parker, DDS, MPA
Chief Dental Officer
Dr. Parker is a graduate of City College of San Francisco. She received her degree in dentistry from Howard University and completed her residency at Harlem Hospital in New York City. She also holds a Master of Public Administration in health administration (MPA) degree from University of Michigan.
Prior to joining LifeLong Medical Care, she served as a director of Hamilton Community Health Network in Flint, Michigan, directing the dental division of a multi-location, multi-disciplinary community health facility. In her 11 years there, she developed clinical protocols and standards, participated in community outreach, maintained clinic funding, and provided and oversaw comprehensive clinical care to patients.
In 2012, Dr. Parker implemented a nationally accredited dental residency program at New York University Lutheran Hospital Center.
Dr. Parker has served as a mission dentist all over the globe. For the past 17 years, she has been involved in education, screening, prevention, and treatment of oral diseases and the fabrication of dental/orthodontic appliances for cleft palate. Her work has taken her to Haiti several times, including a visit in 2010 after the catastrophic earthquake there.
Miriam Parker, DDS, MPA
Chief Dental Officer
Brenda Goldstein, MPH
Chief of Integrated Services
Over the past 30 years Brenda Goldstein has been a vocal advocate for increased access to care for the underserved. Ms. Goldstein does amazing work building LifeLong’s continuum of services for adults with complex needs, including programs for homeless populations, supportive housing, Care Transitions, and designing behavioral health initiatives for individuals with mild to severe mental health challenges.
She has special talents in creating positive partnerships between public and community agencies to create medical, mental health, and social services systems of care for the homeless and mentally ill and frequent users of emergency services.
Ms. Goldstein has developed LifeLong’s Supportive Housing Program into a nationally recognized model of care serving dually diagnosed homeless adults and she is recognized as a leader in developing policies and programs to promote integrated primary care and behavioral health services for low-income communities. She has expanded our integrated care services into a model that has become a source of pride for LifeLong. Ms. Goldstein received her Master’s in Public Health from University of California Berkeley.
Brenda Goldstein, MPH
Chief of Integrated Services
Yui Nishiike, NP
Head of Strategy & Value
Growing up in Berkeley, Yui Nishiike felt an immediate connection with the LifeLong community when she started at West Berkeley Family Practice as a Nurse Practitioner student.
Now over a decade later, she has developed a passion and career in driving health equity through technology-enabled innovation with a people-centered vision of achieving well-being and promoting health. She has developed and implemented many transformative efficiencies by leveraging innovative team-based care models to lessen the burden on the provider, while enhancing quality patient care.
As Head of Strategy & Value, overseeing Strategy, Grants, Quality and Population Health, clinical services and technical departments, she marries technology with practice transformation to create sustainable solutions for the Value Based Care landscape. Her work with data analytics and research focuses on promoting health equity by enabling Community Health Centers to make data driven clinical, operational and strategic decisions - and to tell untold stories of underrepresented communities through data.
She received her Master's in Nursing from Samuel Merrit University, is a strong believer in lifelong learning and continues to expand her horizons in areas of data science, health Informatics and health care leadership.
Yui Nishiike, NP
Head of Strategy & Value
Mallory Gasaway, MHA
Head of Clinical Operations
Mallory Gasaway, a Bay Area native, serves as Head of Operations at LifeLong Medical Care, where she provides strategic and operational leadership across the organization’s network of community health centers. In her role, Mallory oversees clinic operations, patient access, centralized services, and performance improvement initiatives that strengthen efficiency, quality, and patient experience. She partners closely with clinical and administrative leaders to advance operational excellence, ensure compliance with FQHC and HRSA standards, and align systems that promote equitable, coordinated care delivery.
With a Master of Health Care Administration focused on leadership, Mallory brings deep expertise in healthcare operations, team development, and data-driven process improvement. Grounded in her commitment to advancing health equity and community-based care, she applies a collaborative and Lean-informed approach to optimize workflows and enhance outcomes.
Mallory Gasaway, MHA
Head of Clinical Operations
Allie Jones, MPH
Head of Communications & Engagement
Allie Jones serves as LifeLong Medical Care’s Head of Communications & Engagement, bringing nearly 20 years of experience in public health, strategic communications, health promotion, and advocacy. Her career spans the public, nonprofit, and academic sectors, with leadership roles at UCSF, San Mateo County Health, and as a communications consultant to public health departments and community organizations across California.
At LifeLong, Allie has the privilege of leading dedicated teams in communications, development, community engagement, and health promotion — strengthening how LifeLong connects with communities, serves its patients, and advances its mission to improve health.
Allie holds a Master’s in Public Health from the University of San Francisco, and conducted research in maternal and neonatal health in Malawi. She is active in local public school initiatives and serves on the Lafayette Environmental Task Force, working to advance community health and climate resilience.
Allie Jones, MPH
Head of Communications & Engagement
Noemi Jimenez, MBA
Head of Human Resources & Compliance
Noemi Jimenez joined LifeLong in 2023 to lead the Compliance Department and HR, bringing extensive experience in HR, regulatory compliance, and financial management developed through years of leadership within Federally Qualified Health Centers (FQHCs).
She has guided multiple health centers through successful Operational Site Visits (OSVs), ensuring adherence to federal program standards while fostering organizational growth and accountability.
Ms. Jimenez is also an accomplished financial strategist with expertise in accounting, grants management, and optimizing PPS reimbursement. She integrates her knowledge of finance and compliance to align workforce development with program performance and community health outcomes.
She holds a Bachelor’s degree in Public Health Administration and a Master of Business Administration with a concentration in Project Management. Ms. Jimenez is passionate about building resilient, compliant, and people-centered health organizations that expand access to quality care.
Noemi Jimenez, MBA
Head of Human Resources & Compliance
Daphne Chan, MBA
Interim Head of Finance
Daphne Chan joined LifeLong Medical Care in 2021 to lead the Finance Department’s analytics and budget planning. She evaluated and implemented new technologies to transform workflows for operational efficiency, improved data quality, and timely reporting.
A former management consultant, Ms. Chan has years of experience in advising Fortune 500 companies and multinational corporations in strategy and operations. Prior to transitioning into the nonprofit sector, she incubated and worked at startups. She is passionate about capacity building for community health centers, a sector critical to providing care to underserved populations.
Ms. Chan earned her MBA from Columbia Business School where she focused her studies on corporate finance. She is also an avid learner in data science, machine learning, and AI use in healthcare.
Daphne Chan, MBA
Interim Head of Finance
