Shawna Trager, Executive Director

Shawna works closely with NYACH’s industry, education, funding, and government partners to develop innovative initiatives that are industry and employer driven. Before coming to NYACH, Shawna was the Director of Grants and Workforce Programs at the Greater New York Hospital Association. She has a Master’s in Public Administration from the NYU Robert F. Wagner Graduate School of Public Service with a focus on health policy and received a Bachelors in Arts from Cornell University. You can reach Shawna at


Sarah Nusbaum, Director, Initiatives and Investments

Sarah leads the strategy and development of program and policy solutions to promote NYACH’s mission. Sarah is currently earning her Master’s in Public Administration in health policy from the Robert F. Wagner Graduate School of Public Service. Before joining the NYACH team, Sarah was a NYC Parks & Recreation Conservation Corps Fellow for the Parks Opportunity Program and was an AmeriCorps City Year Corps Member, working with 7th Grade math classes at a middle school in Long Island City. She has a Bachelors in Arts from Lafayette College. Sarah can be reached at


Daniel Liss, Director, Strategy and Partnerships

Daniel works with contributors and stakeholders to advance NYACH’s collaborative strategy design and supports workforce development programs with stakeholder engagement and change management expertise. Prior to joining NYACH, Daniel worked in Human Resources at the Mount Sinai Health System where he helped lead workforce transformation for population health, including for Mount Sinai’s DSRIP program, and supported HR strategy development and execution. Daniel holds a Masters of Arts in Social-Organizational Psychology from Teachers College, Columbia University where he focused his studies on group dynamics and organizational change. Daniel also holds a Bachelor of Science in Education and Social Policy from Northwestern University where he graduated with honors in Learning and Organizational Change and Philosophy. Daniel can be reached at


Jessye Halvorson, Program Associate

Jessye supports the ongoing management and implementation of NYACH’s portfolio of initiatives. Prior to joining the NYACH team, Jessye served two years as a Team Leader and City Year AmeriCorps Member at a Long Island City middle school. She has a Bachelor of Arts in Global Studies and the Social Determinants of Population Health from the University of North Carolina at Chapel Hill. Jessye can be reached at