Our Team

Executive Director

David Husemoller comes to IGEN as Executive Director, after serving as the Sustainability Manager for the College of Lake County (CLC) for over 9 years.  During this time CLC has gained several awards and certifications for integrating sustainability into campus operations and curricula and also for guiding community outreach.

David has been teaching sustainable landscapes and landscape management at CLC since 2012. He worked in retail and as a consultant and designer for native landscaping business for over ten years. David is a graduate of St. Olaf College (BA in Psychology and Education), Loyola University of Chicago (MSW), and University of Illinois at Chicago (MUPP).

Photo of Rob Hilgenbrick

Financial Advisor/Treasurer
Joliet Junior College

Robert Hilgenbrink retired as the CFO at Southwestern Illinois College after 10 years and has been in the role of Vice President for business or administrative services at three other Illinois community colleges for a combined total of 33 years. He was active and held leadership positions in the Central Association of College and University Business Officers (CACUBO) and the Illinois Community College Chief Financial Officers (ICCCFO). Mr. Hilgenbrink was named International Outstanding Chief Business Officer in 2008 by the Community College Business Officers. Previously, he served on the Sustainability Advisory Panel at the National Association of College and University Business Officers (NACUBO). Rob holds a B.A. degree in History from Quincy College and an M.A. degree in Economics from Western Illinois University.

Photo of Tim Gibson

IGEN Program Manager

After a 30-year career in the construction industry as a residential and commercial contractor, Tim Gibson began teaching in the John A. Logan College (JALC) Construction Management Program in 2006. As a faculty member, he taught a range of courses in construction management and applied technology focusing on green building and energy efficiency. As Coordinator of Sustainability at JALC, Tim established the JALC Sustainability Center and the JALC Green Committee. He retired from JALC in 2020 after serving as Director of Sustainability and Director of Buildings and Grounds. Tim has worked with IGEN since 2010 in various capacities including college liaison, state-wide IGEN project coordinator, and technical consultant. He has been a member of the IGEN administrative team since 2014.

Photo of Brad McCormick

IGEN Project Manager

Brad McCormick retired as Vice President for Business Services and Facilities, and Chief Financial Officer at John A. Logan College in Carterville, IL. Brad brings his leadership and data analysis skills along with valuable expertise in college finance and business operations, project planning, energy procurement, and solar installations to the IGEN team. He has a BA in Finance/Economics from Union University and an MBA from Southern Illinois University at Edwardsville.