[Ol' Dan Tucker]

Here's the original link that includes the caption that identifies Schmuck.

P080510PS-0515:

President Barack Obama waits to be introduced at a luncheon for U.S. Senate candidate Alexi Giannoulias of Illinois at the Palmer House Hilton in Chicago, Ill., Aug. 5, 2010. Right to left, Trip Coordinator Jordan Whichard, Bobby Schmuck, political affairs staff assistant, and Director of Political Affairs Patrick Gaspard, wait with the President.

[wtd]

Although late to this thread, here's another photo of "Bobby Schmuck" from TheAtlanticWire, dated 11/2012 with the following caption:

"Lots of people have good luck talismans, and President Obama has the hair on his aides' faces. White House staffers Jon Favreau, Ben Rhodes, and Bobby Schmuck are all wearing beards now, according to a White House pool report in a bid to keep their jobs.