St. Charles, Missouri-based Wiegmann Associates has added Gavin Ryan as Project Engineer and Stephanie Anderson as Project Manager.
As Project Manager, Anderson is responsible for providing detailed, cost-effective management of Wiegmann’s mechanical and HVAC system projects to meet client and company goals. Duties include managing subcontractors, coordinating RFI submittals and change orders, managing labor and maintaining jobsite safety, project quality, schedule and budget.
She brings 17 years of construction project management experience. An active member of the St. Louis chapter of the National Association of Women in Construction (NAWIC), she has held positions as president and treasurer. Anderson is also a member of Wiegmann’s Women of Wiegmann (WOW), which is committed to advancing the role of women within the mechanical construction industry. She is a graduate of Missouri State University where she earned a Bachelor of Science in Drafting and Design Technology and Minor in Construction Management.
As Project Engineer, Ryan is responsible for designing and engineering energy-efficient, cost-effective and high-performing HVAC systems for Wiegmann Associates industrial and commercial projects. He will perform heating and cooling loads for HVAC systems, select appropriate HVAC equipment and use 3D modeling software to generate design and construction documents. He is a 2024 graduate of St. Louis University with a bachelor’s degree in Mechanical Engineering.

