Mark Schwenk 

Email: mark at

Mark brings over 30 years of software development experience and has served as a staff member of major companies such as Bell Labs (now part of Altatel-Lucent), Reuters Information Technology Inc. (now part of Thompson-Reuters), Intuit Services Corporation (now part of CheckFree Corporation), Tellabs, Gould Computer Systems Division-Urbana (now part of Motorola), McDonnell Douglas Astronautics Company (now part of Boeing), and Lachman Associates Inc. (one of Ron Lachman’s former ventures).

His programming background includes experience with PC, Mac/OS, and UNIX systems. He has extensive experience programming in a variety of languages including C, C++, Smalltalk, Java, Forth, Visual Basic, Awk, Python, Perl, and Korn Shell. He has produced a number of customized business applications using such tools as Microsoft Access and HyperCard.

Mark holds an M.S. degree in Computer Science from Illinois Institute of Technology and a B.S. degree in Computer Engineering from the University of Illinois at Urbana-Champaign. As part of his continuing post-graduate study, Mark completed Ralph Johnson’s Object-Oriented Programming and Design course which provided an in-depth study of Smalltalk and object-oriented design patterns.

Mark has been a long-time member of the Association for Computing Machinery (ACM), Institute of Electrical and Electronics Engineers (IEEE), the IEEE Computer Society, and the Independent Computer Consultants Association (ICCA). Mark is Past-President of the Chicago Chapter of the ICCA. In March 1999, Mark helped revive the Chicago Smalltalk User Group. He has participated in Uniforum Chicago, the Chicago Patterns Group, SIGOOT, the ACM Chicago Chapter, the Argonne Area Linux Users Group, and the Chicago Linux Users Group.

Mark participated in SqueakEnd 2000 in addition to Camp Smalltalk San Diego 2000 and Annapolis 2000. He also attended Smalltalk Solutions 2001 and 2002. Mark was the Conference Chair for PLoP 2003.

Susan Schwenk
Vice President

Email: susan at

Susan draws upon her writing and organization talents to direct business planning, marketing, corporate communications, and accounting.

Susan holds a B.A. degree in English from North Central College.