Executive Leadership Committee
Our Executive Leadership Committee brings together the Board of Directors, Executive Director and At-Large Board and Committee Members, whose guidance, expertise, and vision shape the strategic direction of our organization.
Executive Committee of the Board of Directors
The PPIA Executive Committee of the Board of Directors provides strategic guidance and oversight to advance PPIA’s mission of preparing future public service leaders. Led by Chair Leigh Morris Sloane and fellow director Dr. Sophal Ear, the Board brings deep expertise in international affairs, policy, and higher education to help steer PPIA’s growth and impact.
Executive Director
As Executive Director, Josh Diosomito leads PPIA’s strategy, programs, and partnerships to advance the organization’s mission. He oversees daily operations, builds relationships with universities and employers, and champions initiatives that expand opportunities for students pursuing public service careers.
Board, Ex-Officio Board Members, and Alumni Advisory Committee Members
Board Members
Aarin Walker Chilton, Director of Undergraduate Programming & Junior Summer Institute, Goldman School of Public Policy, University of California, Berkeley
Abdoulaye Ba, Associate Director, PPIA Program Development and Management, Kennedy School of Government, Harvard University
Albert Beckford Jones, Chair Emeritus
Ariel Matos, Director of DEI Programs and Junior Summer Institute, School of Public & International Affairs, Princeton University
Danielle Callaway-Njama, Senior Director, USAID
Dustin Castro, Associate Director - Recruiting & Admissions, Ford School of Public Policy, University of Michigan
Leslie Ofori, Director of Programs and Conferences, Association for Public Policy Analysis & Management (APPAM)
Ranjan Daniels, Special Advisor, Office of the Provost, University of Chicago
Ray Orquiola, Retired, Senior Vice President, Communications, Wells Fargo & Company
Richard Xavier Corral, CEO and Principal Consultant, Corral Consulting
Sandra Susan Smith, Daniel and Florence Guggenheim Professor of Criminal Justice, Kennedy School of Government, Harvard University
Stacy Drudy, Chief Operating Officer, Network of Schools of Public Policy, Affairs, and Administration (NASPAA)
Alumni Advisory Committee
LaSandra Hutchinson, Community Outreach and Training Coordinator, Department of Human Rights & Ethics, Cook County Government
Magaly N. López, Associate Director, Labor Center, University of California, Los Angeles




