2020  Art of the State, The State Museum of Pennsylvania, Harrisburg, PA, Juror

          Wendel White: Red Summer, Swarthmore College McCabe Library, Curated

2019  Henry Horenstein: Selected Works, Swarthmore College List Gallery, Curated with Andrea Packard

          An Overdue Conversation with My Father, Society for Photographic Education Annual Conference, Cleveland, OH, Lecture

2017  African American Cowboys, Lecture, Barnes Foundation, Philadelphia,PA

2016  April Saul: Our American Family, Swarthmore College List Gallery. Lecture and Co-Curated with Andrea Packard

          Bruce Cratsley: Shifting Identities, Lecture, Swarthmore College List 

          Gallery, Swarthmore, PA 

2015  Ron Tarver on Charles Dodgson’s Photography, Lecture, Rosenbach Museum, Philadelphia, P

Look  Both Ways Art at the Crossroads of Abstraction And Representation, Woodmere Art Museum, Lecture

2013  Mid Atlantic Arts Council, Baltimore, MD, Juror
2004  Pictures of the Year International, University of Missouri, Juror
2003  Ohio Council Arts Council, Juror
2001  MacArthur Fellowship, Advisory Panel
1996  Society of Photographic Educators, Portfolio review
1995  51st Temple Press Tournament, Keynote Speaker
1996  Northeastern State University, Oklahoma Journalism conference, Keynote Lectures, talks and workshops at numerous college,                                university, high schools, and camera clubs