Raths, Raths & Johnson, Inc. (RRJ), a national architecture, engineering and forensics consulting firm headquartered in Willowbrook, Illinois is pleased to announce the promotion of George R. Mulholland, S.E., P.E., Sarah K. Flock, NCARB, BECxP, CxA+BE, and Patrick E. Reicher, S.E., REWC, REWO, CCS, CCCA to Principals. The promotion of these new Principals is part of the leadership expansion of this 53-year old forensic consulting practice. As Principals, they will provide project leadership across the firm's expert architectural and structural engineering consulting services and client development to support the firm's strategic growth and market diversification.