TD2 Celebrating a Father-Son Legacy in Engineering Excellence

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Congrats to Bob and Doug Dreessen as they are inducted into the CRE Hall of Fame at the 36th Annual CRE Summit.

For decades, Bob and Doug have exemplified leadership, innovation, and a deep commitment to building Nebraska’s future. From landmark commercial spaces to transformative public and residential projects, their vision has shaped developments that fuel growth and will serve generations to come.

Their induction into the Hall of Fame is more than a personal honor—it’s a testament to the lasting impact of TD2’s people, projects, and commitment to engineering excellence.

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Aaron Buettner

State Director

Aaron Buettner, PE, CVS leads Benesch’s Nebraska structural group, bringing more than 27 years of experience in structural engineering, project management and value engineering to every project he touches. His work spans highway, railroad and pedestrian bridges, and he has delivered public and private projects across the country involving a wide variety of materials and structure types.

Aaron’s technical depth covers the full project lifecycle, from structural design and in-service inspection to forensic evaluation and construction administration. He is proficient in multiple structural design and analysis software platforms and has a keen understanding of load paths and constructability. As a Certified Value Specialist (CVS), Aaron’s Value Engineering work has generated tens of millions of dollars in potential construction cost avoidance for clients ranging from state DOTs to transit agencies.

Notable projects include the Lincoln South Beltway, where his team designed 10 of 21 bridges on the freeway corridor; the N-12 Emergency Bridge Repairs in northeast Nebraska, where biddable plans for three flood-damaged structures were delivered in just three weeks; and the Penny Bridges Replacement in Lincoln, where value planning produced a context-sensitive solution that earned broad community support.

Aaron also serves as a Structures Specialist on Nebraska Task Force 1 (NE-TF1), which is one of 28 FEMA Urban Search & Rescue (US&R) teams located throughout the United States. In this role, he supports the search and rescue mission by assessing damaged structures, recommending structural hazard mitigation within those structures, and monitoring the structure for condition changes during rescue and victim recovery operations. During his tenure with NE-TF1, he has deployed ​on numerous missions within the state of Nebraska and around the nation to assist communities that have been impacted by emergencies or disasters.

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