With a broad and extensive range of experience and skills, the leadership team at the Partnership for Public Health (The Partnership) provides strategy and day-to-day operational oversight for an agency dedicated to improving the health and well-being of those who live in, work in, or visit the Lakes Region.
Tammy Carmichael
Chief Executive Officer
Tammy Carmichael brings three decades of experience in public service and nonprofit leadership to her role as Chief Executive Officer of the Partnership for Public Health (PPH). Appointed CEO after serving as Executive Director since 2020, Tammy has consistently demonstrated a forward-thinking, outcomes-driven approach to improving public health and strengthening community systems.
With a strong background in leading social support and public health programs, Tammy is recognized for her operational excellence, responsiveness to community needs, and ability to foster innovation. She is deeply committed to advancing fair and humane strategies, collaboration, and sustainable change through transparent leadership and inclusive team building.
Her leadership style—rooted in emotional intelligence, accountability, and clear communication—has helped transform PPH into a dynamic, community-centered organization. Tammy believes that strong public health systems are shaped by the voices and needs of those they serve. As one of her mentors once said, “A public health agency is what a community needs it to be.” Tammy lives by that vision—ensuring that PPH remains flexible, responsive, and focused on making our region as healthy and safe as possible.
Tammy also embodies the spirit of PPH’s core belief: “We’re Better Together.” Whether leading cross-sector initiatives, building strategic partnerships, or empowering her team, she champions collaboration as the key to achieving lasting impact in the communities we serve.
Inspired by the work of sociologist Margaret Mead, Tammy’s career has spanned from direct case management to systems-level policy advocacy. Her passion remains grounded in helping individuals and communities thrive through public health strategies that create immediate and long-lasting, meaningful change.
Courtney DeVost
Chief Operating Officer
Courtney DeVost is the Chief Operating Officer at the Partnership for Public Health and is dedicated to improving public health across the Lakes Region and New Hampshire. Joining the organization in September 2020, Courtney has steadily grown her role, with prior position within the organization with a focus on finance, operations, and HR before assuming her current position.
With a strong focus on efficiency, transparency, and fostering a positive organizational culture, Courtney is committed to driving the Partnership’s mission forward and maximizing its impact on the community. Holding a Bachelor’s degree in Business Administration from Southern New Hampshire University, she is dedicated to continuous learning and actively pursuing certifications to ensure the organization adheres to the highest standards of nonprofit management.
I believe that fiscal responsibility and transparency in every aspect of our organization can lead us to growth and future opportunities that will benefit our community and the public health of our region.
Carissa Elphick
Senior Director of Advancement
Carissa Elphick serves as the Senior Director of Advancement and is responsible for leading the agency’s efforts to secure the resources necessary to achieve its goals, including fostering meaningful community relationships and enhancing brand visibility. With over a decade in the nonprofit sector, Carissa is a leader passionate for creating safer, healthier communities. She has been with the organization since 2014.
Previously, Carissa successfully managed the organization’s diverse programs and continues to lead the Winnipesaukee Public Health Council, a collaborative network shaping regional public health priorities and driving coordinated improvement efforts.
Carissa holds a Master of Arts Degree in Justice Studies from the University of New Hampshire and holds a broad range of professional certifications. She is a current member of the New Hampshire Commission on Aging.
I believe in the power of community to promote health and wellness. By building strong partnerships and providing essential resources, we can create a healthier future for everyone.