Jan Schaumann is a Systems Architect and Senior System Administrator at Yahoo!. He holds a BS and MS in Computer Science from Stevens Institute of Technology.
Jan was the System Administrator for the Department of Computer Science (initially) and the Imperatore School of Sciences and Arts (ISSA) at Stevens Institute of Technology from 09/2001 until 07/2006. During that time, he was also the instructor for the classes Advanced Programming in the UNIX Environment and Aspects of System Administration (the syllabus, course outline and goals for which he developed).
Jan is also one of the developers of the NetBSD operating system, where, amongst other things, he manages the NetBSD Project's participation in Google's Summer of Code program.
In the Fall of 2008, Jan Schaumann will be teaching the class CS810 - Advanced Progamming in the UNIX Environment (aka APUE). Please see the course webpage for details.
You can contact Jan via email at jschauma@cs.stevens.edu. You can download his public PGP key here or from pgp.mit.edu.