The Philadelphia Union announced Monday that David Seltzer and other family members have joined the club as investors. Seltzer is a principal and co-founder of Mercator Advisors, a Philadelphia ...

David Seltzer is a Principal and co-founder of Mercator Advisors, a Philadelphia-based financial advisory firm formed in 2001. Mercator Advisors provides financial consulting services to governmental, ...

Have any of you ever seen Prophecy? John Frankenheimer’s creature feature (written by The Omen’s David Seltzer) is one of the most outlandish, ridiculous, monster movies I’ve ever seen.

David Seltzer is a Principal and co-founder of Mercator Advisors, a Philadelphia-based financial advisory firm formed in 2001. Mercator Advisors provides financial consulting services to ...