Frank Firsching, Chief Executive Officer of Critica Infrastructure, brings over 30 years of experience starting, leading and building businesses serving the water & wastewater, energy, civil/structural, and power utility industries, with an emphasis the past 17 years on pipeline rehabilitation technologies. Most recently, he served as the President of the $600 million Infrastructure Solutions business unit of Aegion Corporation. He was a founding partner in Underground Solutions, Inc. which was sold to Aegion in 2016. Frank spent 13 years with USFilter where he was President of the $1.0 billion Water & Wastewater Systems Group.

Frank has a B.S. in Mechanical Engineering from the University of Virginia, an MBA from the Wharton School at the University of Pennsylvania, and is past chair of the North American Society for Trenchless Technology (NASTT).