Our Management Team

Jennifer Kelm Sergio


With nearly twenty years of experience in strategy, growth, and operations, Jen leads the Polar Clean team with a mission of providing excellent value and service to our clients.

Jen’s experience includes new business development and managing a manufacturing facility at Amsted Industries, an industrial goods supplier to the rail, automotive and construction industries. She consulted to the pharmaceutical industry with the Boston Consulting Group, and also oversaw operations of an e-commerce retailer of fitness equipment as Chief Operating Officer. She began her career at General Electric, where she rotated through supply chain functions in the Operations Management Leadership Program and later specialized in lean enterprise transformations as an internal consultant.

Jen holds bachelor’s degrees in Mechanical Engineering and Bioengineering from the University of Illinois at Urbana-Champaign and an MBA from the Harvard Business School. She currently resides in Chicago with her husband and two daughters.

Sean Simpson

Director of Operations

Sean designs and manages Field Operations to ensure the delivery of safe, high quality services while meeting client time requirements. He is responsible for maintaining cost controls and plant/vehicle/supply maintenance; ensuring delivery of regulatory compliance programs and trainings, and assists in sales and marketing efforts, including tradeshows.

Sean has served as a Fire Fighter and advanced EMT, with duties including Customer Service, Emergency Medical Services, Fire Suppression, and Rescue. He has been a lead Water Restoration Technician. He holds a variety of OSHA safety certifications and has a TWIC security clearance.