John Kerlin

John Kerlin serves as Co President at Complex Security Solutions since February 2015, where responsibilities include developing and executing sales and marketing strategies to secure new business while expanding the company’s presence in designated territories. Prior experience includes serving as Project Manager in the Environmental Services Division at Total Mechanical from July 1999 to February 2015, where management of projects ensured adherence to design, budget, and schedule while facilitating communication among trade superintendents and solving construction-related issues. Earlier in the career, John Kerlin worked as an ESD Service Technician, installing and maintaining HVAC systems for commercial and residential clients. Education includes a Sheet Metal Service Apprenticeship Program from Waukesha County Technical College, completed in 2005, and graduation from Milwaukee Lutheran High School in 1999.