FGM Architects
Charles Mueller is a finance executive with extensive experience across various roles and industries. Currently serving as Chief Financial Officer at FGM Architects since June 2025, Charles previously held the position of Senior Vice President of Finance and Accounting at Halff from June 2023 to May 2025, overseeing key areas including Accounting, Finance, Project Accounting, Real Estate, and Procurement. Prior to this, Charles accumulated over a decade of experience at ADM, where roles included Finance Manager for Ag Services and Oilseeds North America, Strategic PMO - Project Manager for Green Bison Soy Processing LLC, Financial Planning and Analysis Manager, Business Development Manager, Audit Analyst, and various accounting positions across different locations. Charles holds an MBA from the University of Illinois Urbana-Champaign and a Bachelor's degree in Accounting, Finance, and Accounting Information Systems from Illinois State University.
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FGM Architects
FGM Architects has specialized in the planning and design of environments where people live, learn, worship, work, play and gather since 1945. From early strategic facilities planning through building and interior design to furniture selection, our team of professionals support the needs of our clients with a total commitment to service. We offer a unique combination of experience, talent and proximity. We build relationships as well as projects. Architectural Record consistently ranks FGM Architects among the Top 300 Architecture firms. Building Design and Construction magazine consistently ranks FGM among the top 25 firms nationally for the design of PK-12 schools. FGM Architects serves communities in Illinois, Missouri, Virginia, Wisconsin and Texas from offices in Oak Brook, Chicago, O’Fallon, St. Louis, Milwaukee, Reston, Austin and Fort Worth with a staff of 190+ architecture, design, technical and administrative professionals.