Raul played soccer at Guilford and was honored with an Alumni Excellence Award in 2016.
Bill becomes the first Guilford Athletic Director to serve as ODAC president in more than 20 years.
Friday's final day of Dialogues focused on the importance of public transportation, affordable housing and supporting formerly incarcerated inmates in economic inclusion programs.
The Harvard economist says upward mobility is frequently connected to where a child grows up, but that can be changed.