Here are some links for professional Development in German-related fields. Some of these websites/companies were discussed on the German Career night, February 28th, 2007.

Congress-Bundestag Youth Exchange for Young Professionals
5-month internship in their career field. http://www.cdsintl.org/

Crain Communications (based out of Detroit but openings all over the US)
http://www.crain.com/index.html
http://www.automobilwoche.de (German language newspaper for auto industry)

Reed Exhibitions (openings worldwide including offices in Stuttgart and Duesseldorf)
http://www.reedexpo.com

Navteq digital maps (openings worldwide including Germany)
http://www.navteq.com/index .html

Deutsche Post
http://www.deutschepost.de

Deutsche Bank
http://www.db.com

Deutsche Telekom
http://www.deutschetelekom.com