Meet The Executive Team

The Faces Behind One of Madison and Milwaukee’s Leading HVAC and Mechanical Contractors

Meet the people behind Illingworth-Kilgust Mechanical’s success as the leading commercial HVAC systems design/build and mechanical construction company in Milwaukee, Madison, and throughout Wisconsin.

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John Schmitz
President

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Christine Tessenske
Chief Financial Officer

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Paul E. Disch
Vice President of Plumbing

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Tim Wipperfurth
Vice President,
Madison Operations

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Rob Riehle
HVAC Division Manager

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Brian Schweizer
Controls Division Manager

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Brian Spriggs
Safety Manager