Mr. Kastner joins The Sigma Group, Inc. as a Project Manager with more than 15 years of experience in various engineering construction and design roles for private developers, WisDOT, and municipalities. John will manage civil site development projects and continue to grow the construction management and inspection services offered by Sigma. John is a graduate of the University of Wisconsin – Madison, with a Bachelor Degree in Civil Engineering, and recently graduated from Marquette University, with a Masters of Business Administration.

Ms. Schwingle joins The Sigma Group, Inc. as a Project Engineer providing civil and environmental engineering services for a variety of commercial, industrial and municipal clients. Her experience includes design engineering, construction and building inspection, regulatory compliance, risk management services and completion of reports for clients and regulatory agencies. She is a graduate of University of Wisconsin – Milwaukee with a Bachelor Degree in Architectural Studies. She has a Masters Degree in Environmental Engineering from Milwaukee School of Engineering.

Mr. Niemoeller joins The Sigma Group, Inc. as a Project Engineer with over 20 years of experience providing project and process engineering services for a variety of clients. His experience includes process design and revision, production facility design, and safety compliance for industrial, commercial and municipal clients.  He is a graduate of Purdue University with Bachelor Degrees in Agriculture and Biological Engineering and Management.

Mr. Beuscher joins The Sigma Group, Inc. as a Field Construction Inspector responsible for inspection observation and field services. He has more than 25 years’ experience which includes providing services to both municipal clients and the Wisconsin Department of Transportation. Mr. Beuscher serves as Construction Inspector and is responsible for customer interfacing, coordination of construction administration work, and quality assurance.