
Joe Rapp, PE
With extensive expertise in Colorado, Joe has spearheaded transformative projects like the Denver International Airport South Terminal Redevelopment, incorporating a new hotel and train station. As a founding member of Fortis Structural, LLC in 2014, Joe is dedicated to delivering innovative structural solutions while prioritizing exceptional client service. At Fortis, we focus on design efficiency, creating functional, cost-effective structures. Our creative approach ensures bespoke solutions for our architectural clients.
Purdue University – Master of Science in Structural Engineering, 1990.
University of Cincinnati – Bachelor of Science in Structural Engineering, 1988.
Licensed as a Professional Engineer in Colorado, Wyoming, Texas, Missouri, Utah, Indiana, Ohio, Tennessee, Montana, Arizona, Florida, Maryland and Washington

Adam Wood, PE
With extensive expertise in structural engineering, Adam has made significant contributions in Denver, Colorado, after launching his career in Columbus, Ohio. As a founding principal of Fortis Structural, LLC, he has led the design of many of the firm’s most complex projects. Adam’s technical prowess delivers unique, creative solutions that enhance architectural expression. He spearheaded engineering for the Denver International Airport Westin Hotel & South Terminal Expansion, notably its iconic train and hotel canopy designs. His diverse portfolio spans high-rise construction, multi-family apartments and condos, educational facilities, office buildings, unique tenant interiors, and transit-oriented developments.
Ohio University – Bachelor of Science in Civil Engineering (Structural), Minor in Mathematics, 2003.
Licensed as a Professional Engineer in Colorado, Kansas and Missouri.

Paul Espinoza, PE
With strong expertise in structural engineering, Paul has designed notable structures like the Denver International Airport South Terminal Redevelopment, incorporating a new hotel and train station. As a founding member of Fortis Structural, LLC in August 2014, he brought experience from Walter P. Moore’s Houston office and a prominent Colorado engineering firm, where he honed his skills after returning to his home state. Paul’s sharp technical abilities enable him to craft innovative solutions to architectural challenges for our clients. He is also highly skilled in Autodesk Revit building design software.
Texas A&M University – Master of Engineering in Structural Engineering, 2007.
Colorado State University – Bachelor of Science in Structural Engineering, Minor in Construction Management, 2005.
Licensed as a Professional Engineer in Colorado and Texas.


