Meet Our Leadership Team

Leadership Team

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Larry Gies
Founder & CEO
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George C. Nolen
Vice Chair
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JILL WYANT
President & CEO, Madison IAQ
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Todd Bluedorn
Vice Chair
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Timothy J. McCarty
President & CEO, Filtration Group
Kristofer N. Howard
Kristofer N. Howard
President & CEO, Madison Safety & Flow; Chairman, Madison Medical
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Frank S. Ptak
Senior Managing Director
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Michael K. Ellis
Chief People Officer
Shelli Nelson
Shelli C. Nelson
Managing Director, Talent Acquisition
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David J. Ball
Managing Director
Christian-Bernert
Christian Bernert
Senior Managing Director, Head of Europe
Samantha-Bonano
Samantha Bonano
President, Multisorb Technologies
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Grace A. Brown
Executive Vice President
Thomas C. Brown
Thomas C. Brown
Senior Managing Director
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Robert L. Carpio, III
Group President, Life Sciences
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Julie M. Dahlinger
Executive Assistant to the CEO and Creative Director
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Christopher J. Domke
Chief Financial Officer
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JJ Foley
Chief Financial Officer, Madison IAQ
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Karen Geiger
President, Energy Recovery, Madison IAQ
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C. Kenneth Holmes
Chief Information Officer
Matt Huser
Matt Huser
Chief Marketing Officer
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Richard Jackson
Group President, Industrial Technologies, Filtration Group
Dave-Janicek
David R. Janicek
Senior Managing Director
John Lavorato
John Lavorato
Executive Vice President & General Counsel
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Hang Gek Low
President, Asia
Kimberly V. Martiny
Kimberly V. Martiny
Vice President, Marketing Communications
Dave-McGinnis
David M. McGinnis
Chief Financial Officer, Filtration Group
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Ryan C. Norwick
Chief Financial Officer, Madison Safety & Flow and Madison Energy
Karin-Overstreet
Karin Overstreet
Group President, DEHU/DOAS, Madison IAQ
Kelly-Reinke
Kelly Reinke
President, Molecular Products
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Benjamin T. Rogers
President, Tyden Brooks SPG
Payam-Roshandel
Payam Roshandel
Senior Vice President
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Connie Ryan
CEO & Chairperson, Streck
Andrew-Semprevivo
Andrew Semprevivo
President and CEO, Seakeeper
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Kate A. Specht
Director, Talent Acquisition
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Mike J. Stein
Senior Managing Director
Craig-Stout
Craig Stout
President, Madison Medical
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Nikhil Tamhane
President, Clear Edge Filtration-Filtration Group
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Russell Toney
President, Nortek Air Solutions
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John E. Udelhofen
Executive Vice President – Owner Relations
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Aaron J. VanGetson
Managing Director
Ken-Walma
Ken Walma
President and CEO, Big Ass Fans
Haley-White
Haley E. White
President, Flow Dry Technology
Philip-Windham
Philip Windham
President and CEO, Nortek Global HVAC
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Angela R. Woodland
Managing Director, Human Resources
Jessica-Yee
Jessica L. Yee
Office Manager and Vice President of Administration