Greenheck has announced three new presidential appointments and one presidential retirement.

Tim Kilgore, an eight-year Greenheck Fan executive, has been promoted to president of Greenheck Fan's U.S. and Canada sales and marketing functions. Kilgore holds a Masters of Business Administration from Marquette University with emphasis in marketing and operations management. In addition, he has a Bachelor of Science, Industrial Engineering (BSIE) degree from Purdue University with emphasis in manufacturing engineering. Currently, Kilgore is a board member and treasurer of the Air Movement and Control Association International.

Dave Kallstrom, a 27-year Greenheck Fan employee has been promoted to president of the Greenheck Fan International & Ventilation Solutions Division. He will retain responsibility for international sales and operations and take responsibility for the fan and ventilator business unit and the W.W. Grainger relationship. Kallstrom holds a Bachelor’s degree in Economics from UW Eau Claire.

Aaron Gotham, a 26-year Greenheck Fan employee has been promoted to president of Greenheck Fan Air Control & Engineered Solutions Division, and will be responsible for the Tempered Air Products, Kitchen Ventilation, Dampers, Louvers, and CVI business units. Gotham has a Bachelor’s degree in Mechanical Engineering from the University of Wisconsin, Madison.

Greenheck has also announced that Pat Cotter will retire April 1, 2014, as president of Greenheck Fan global sales. Cotter is responsible for U.S. and international sales and marketing functions. He joined the company in 1995, and is an engineering graduate of the University of Illinois in Champaign-Urbana and has completed course work towards an MBA at the Illinois Institute of Technology.