Building Service Experts
Our Leadership
Steve Knowles
CEO
Steve is a highly accomplished executive with over 15 years of CEO experience known for rapidly growing PE-backed, blue- and white-collar service-based companies and nurturing strong corporate cultures. He led EN Engineering as CEO, doubling their revenue from $128 to $260M during his tenure and prior to that, served as CEO of Wood Group Mustang, achieving remarkable growth from $250M to $1.8B. Steve holds degrees in Mechanical Engineering from Texas A&M University and Advanced Management from Harvard and currently serves as an Independent Board Member of Integra Testing Services, a Commercial HVAC Testing and Balancing business (not affiliated with NexCore).
Brian Nienstedt
Chief Development Officer
As CDO, Brian leads the sourcing, underwriting, and closing of NexCore’s acquisition activities. He possesses over fifteen years of capital markets experience, including leadership roles as an investment banker, sponsor finance lender and corporate development professional. Prior to joining NexCore, Brian was the Vice President of Corporate Development at Sweeping Corporation of America, Inc., a private equity backed environmental services company, where he led a team that closed and integrated thirty-three acquisitions. Brian earned his B.A. in Economics from Villanova University and an MBA from DePaul University.
Mike Mamaux
Chief Financial Officer
Mike has served in an Executive Management capacity for 20 plus years with primary responsibilities related to development, implementation, and execution of strategic and tactical financial and operational initiatives within start-up acquisition-oriented businesses. Mike was previously the Chief Financial Officer and one of the Co-Founders of Trilogy Medwaste, Inc., a private equity backed medical waste services company, where he led a team that was responsible for Accounting and Finance, Information Technology and Due Diligence and Integration of 30 businesses over a five-year period. Mike earned his BBA in Accounting and Finance from Southwest Texas State University.
Our Partner Leaders
Jason Patnaude
President, Alliance Group
With over 25 years in the commercial HVAC business, Jason knows what it takes to thrive in the industry. That’s exactly how he’s taken Alliance Group to its industry-leading status, serving as President for over 13 years.
Shaun Patnaude
Vice President, Alliance Group
After co-founding Alliance Group in 2010, Shaun has helped to build the company and led its efforts to expand across multiple states and to serve hundreds of customers annually.