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Our Team

Architect / Firm Partner

Gillian Stechschulte

Gillian received her Bachelor and Master of Architecture degrees from Miami University, is a member of the AIA, and holds her NCARB certificate. Gillian enjoys bringing a fresh design perspective to her hometown in northwest Ohio.

Mechanical Engineer / Firm Partner

Scott Birkemeier, P.E.

Scott is TDG’s lead Mechanical Engineer with over 18 years of experience in the design of mechanical and plumbing systems for a wide variety of commercial, industrial, and institutional project types.

Project Manger / Firm Partner

Kevin Niese

Kevin has been an employee of TDG since 2005. He currently serves as a Project Manager and Human Resource Coordinator. Kevin has a strong construction background and leads many of TDG’s projects through construction.

Project Manager / Firm Partner

Tony Hovest

Tony is one of the founding partners of Technicon Design Group. He has served the local design and construction market for over thirty-five years. Tony’s expertise in construction detailing and project coordination is an invaluable asset to the TDG team.


Jenna Verhoff

Jenna received a Bachelor and Master of Architecture degrees from Bowling Green State University. Jenna works in 3D computer modeling and rendering with the Architectural team to bring life to our projects.


David Burgei

David received a Bachelor and Master of Architecture degrees from the University of Cincinnati. David works as part of the Architectural team creating 2D & 3D designs to meet our clients' needs.

Electrical Engineer

Joe Ellerbrock, P.E.

Joe received Bachelor of Science in Electrical Engineering from the Ohio State University and has a background in Industrial Controls Design and Power. He recently earned his Professional Engineering License.

Structural Engineer

Betty Corkwell, P.E.

Betty received a Bachelor’s degree of Science in Civil Engineering from Clemson University and is a licensed Professional Engineer in the State of Ohio and Michigan. Betty is experienced in the design of steel, wood, and masonry structural assemblies.

Senior Designer

Kevin Wischmeyer

Kevin has thirty years of experience in the architecture industry, working on many large commercial, educational and medical projects throughout his career. He leads production for many of TDG's projects.

Senior Designer

Todd Gerdeman

Todd has been an integral part of TDG since its inception in 1995. He has over thirty-two years of experience in architectural and structural detailing, and he also serves as a field representative and construction administrator at TDG.

Senior Designer

Jeff Mangas

Jeff worked in the concrete construction industry for several years prior to joining the TDG team over ten years ago. He is experienced in architectural, structural, mechanical and plumbing detail drawing and serves as a field representative for many of our projects.

Senior Designer

Amber Palte

Amber received a Bachelor’s degree of Interior Design from Bowling Green State University. Amber produces interior and architectural design and production drawings for many of our projects as well as serves as a project manager.

Senior Designer

Ashley Reivydas

Ashley received a Bachelor of Interior Design from The Ohio State University. After graduating, Ashley worked in retail design at a national brand before spending six years working in healthcare interior design. In 2021, Ashley and her family moved back to her hometown of Ottawa Glandorf where joined the TDG team as a Senior Designer soon after.

Office Administrator

Michelle Johns

Michelle ensures that all of our projects remain organized, and is vital to the successful daily operation of our business.

Contract Administrator

Sandy Knueven

Sandy has worked in construction administration for over fifteen years. She is an asset to the TDG team as she provides a high level of efficiency and organization to our projects under construction.

Mechanical Engineer Intern

Ryan Ashley

Ryan is currently pursuing his Bachelor's degree in mechanical engineering from Purdue University.

With three decades of experience in the local industry, Technicon Design Group has the expertise, knowledge, and tools to help you re-think your physical environment and create spaces that are both functional and beautiful. We believe that good design should be transformative, bringing value to our clients through innovative thinking, creativity, and attention to detail. 

Multiple design disciplines working together streamlines the design process. 

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