We are one of the most respected forensic building consultants in the country. See why we are leaders.
Raths, Raths, & Johnson, Inc. is one of the most respected firms in the country solving and preventing building catastrophes.
We work with owners, architects, contractors, and engineers seeking thorough solutions to the most complex building performance challenges in the country.
We know how critical it is to have an expert at your fingertips when everything is on the line. That’s why we put our firm leaders at the helm of every project.
As leading experts in building enclosures, structural engineering, and field/lab testing, we solve your building design problems so you can get clear on how to move forward.
Our firm-wide culture of thought leadership gives you a team of forensic architects, structural engineers, and materials scientists ready to solve the toughest building performance challenges and prepared to provide expert witness testimony.
We are the only national specialists in building enclosures, engineering, and field and lab testing that have principals leading every project.
Principal Patrick Reicher, SE, REWC, REWO, CCS, CCCA
Principal, George Mulholland, SE, PE
Principal, Lurita McIntosh Black, NCARB, RBEC, RRC, RWC, APT RP
In 1966, Charles Raths founded this firm with a commitment to engineering fundamentals, attention to detail and dedication to client service. He and his partners, Donald Raths and Robert Johnson, positioned the firm as one of the early forensic engineering practices in the country.
Today, the firm is in its third generation of leadership under Kurt Hoigard and Kenneth Lies. It continues the legacy of its founders with a focus on forensic expertise, innovative solutions, technical clarity, proven results, and client focus.
RRJ established the Garth D. Hall Memorial Scholarship in Architectural Technology at the University of Illinois at Urbana-Champaign, School of Architecture to honor the legacy of Garth Hall, an RRJ Principal who passed away in 2014.