In this season one finale of In Service of Health, Dr. Joneigh Khaldun sits down with Dr. Dave A. Chokshi, a nationally recognized physician and health leader for a powerful conversation on what it will take to create healthier communities. Together, they explore why health care and public health must move beyond working in parallel and toward true partnership to address today's most pressing challenges, from chronic disease and youth mental health to vaccination access and emergency preparedness.

In this episode of In Service of Health, Dr. Joneigh Khaldun sits down with Dr. Anne Zink, an emergency physician, former state health leader, and national health policy expert, to explore what it takes to bridge health care and public health.

From leading Alaska's COVID-19 response to rethinking how emergency departments can drive population health, Dr. Zink shares powerful lessons from the frontlines. Together, they discuss the realities of rural health leadership, the importance of listening to communities, and why trust is the foundation of effective public health.

In this episode, Dr. Joneigh Khaldun sits down with Dr. Bryan O. Buckley, Head of Public Health and Community Impact at CareFirst BlueCross BlueShield, for a conversation about how everyone, no matter the industry, plays a role in public health. Together they discuss system changes needed, such as public and private-sector collaboration and/or coalitions, to improve health outcomes and access to care. They also explore ways to translate complex population data into initiatives for meaningful impact in communities. Dr. Buckley shares how fatherhood has helped shape his motivation for his work in public health, and how we have a responsibility to future generations.

In this episode, Dr. Joneigh Khaldun sits down with Dr. Peter McCauley, Practicing Pediatrician and Independent Advisor with 2Flo Ventures, for a conversation about the future of health care and public health in the United States. Together, they discuss why prevention is difficult to scale, how value-based care can shift incentives toward better outcomes, and why public health and health care delivery must work together to improve access, affordability, and trust. They also explored the real impacts of insurance loss on families and communities, and what leaders should be thinking about next.

In this episode, Dr. Joneigh Khaldun sits down with Dr. William Winkenwerder, the Chairman and CEO of Winkenwerder Strategies and the Chairman of CitiusTech, for a conversation about leveraging technology in public health and health care to support service delivery. Together, they discuss technological advancements in health care such as electronic record keeping, as well as the future of artificial intelligence (AI) use in public health and health care, implementation of AI in health care systems, and the importance of cross-sector collaboration to enact change at scale to improve the health of communities.

In this episode, Dr. Joneigh Khaldun sits down with Scott Harris, the State Health Officer for the Alabama Department of Public Health (ADPH), for a conversation on a range of issues related to leading during a crisis, leveraging partnerships to support rural communities, building trust in public health, and ways to improve health outcomes in key areas like infant mortality. Together, they discuss the realities of rural America, where limited access to care, hospital closures, workforce shortages, and policy constraints create stark health disparities. Dr. Harris also reflects on his time as an infectious disease physician and his journey to public health and shares programs and initiatives they have implemented at ADPH, leveraging both the public health and health care sectors, to improve rural health outcomes for Alabamians.

In this episode, Dr. Joneigh Khaldun sits down with Ramsey Alwin, President and CEO of the National Council on Aging (NCOA), for a conversation about ways that public health practitioners can advance healthy aging on a population level. Together, they discuss key issues facing the aging population and explore meaningful opportunities for the public health sector to support seniors. Alwin also shares initiatives and programs that NCOA offers, such as fall prevention and chronic disease self-management and spotlights free tools and community supports that enable older adults to remain healthy and independent as they age.

In this episode, Dr. Joneigh Khaldun sits down with Dr. Megan Ranney, Dean of the Yale School of Public Health and Professor of Emergency Medicine at the Yale School of Medicine, for a conversation about bridging clinical medicine and public health. Dr. Ranney reflects on how her Peace Corps experience in Côte d'Ivoire during the HIV epidemic shaped her commitment to strengthening systems, expanding access, and closing gaps between health care and public health. They discuss why the divide between these fields persists, how fragmented data slows progress, and what it will take to build more integrated and sustainable models of care, as well as the realities of practicing medicine today including burnout, limited resources, and growing social needs. The conversation covers what digital health has achieved, where it has fallen short, and why long-term payment models are needed to ensure technology supports human connection. Dr. Ranney also shares pandemic lessons, the importance of rebuilding trust through listening, her work at Yale to democratize health data with tools like PopHIVE, information about Yale's MPH program, and the university's "Leaders in Public Health" speaker series.