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 and Patrick E. Reicher, S.E., REWC, REWO, CCS, CCCA to Associate Principals. In this new role, they will be responsible for project management, thought leadership, and strategic client development across RRJ's expert architectural and structural engineering consulting practice.

"George, Sarah and Patrick are recognized experts who have demonstrated proven leadership across the projects they have managed and their well-versed commitment to industry thought leadership." said Kurt R. Hoigard, P.E., SCEB, F.ASTM. "We greatly value their respective contributions to the success of our firm and are proud to promote them as our first Associate Principals."

George is an accomplished forensic structural engineer with over 29 years of experience in structural and building enclosure evaluations, remediation design, and litigation support on related building failures. His engineering career started at RRJ in 1988, and during this time, he has been a skillful project manager and held several senior titles in the management of a vast portfolio of distressed facades, buildings, and structures, involving structural evaluation, field investigation and testing, and repair/restoration design. He consults in many areas providing expertise in structural peer review, structural analysis, construction quality assurance programs, and expert witness testimony.

George is a licensed Structural Engineer in Illinois and a licensed Professional Engineer in Arizona, Illinois, Iowa, Missouri and South Carolina. He is an active member of several professional organizations serving in leadership roles as the Chairman of the American Society of Civil Engineers Standards Committee on Structural Condition Assessment and Director of the International Concrete Repair Institute (ICRI), Chicago Chapter. He is also a member of the Precast/Prestressed Concrete Institute (PCI) Building Code Committee, Structural Engineers Association of Illinois (SEAOI), and the American Institute of Steel Construction (AISC).

Sarah joined RRJ in 2002 and is responsible for field investigations and testing of exterior wall systems involving air infiltration, water leakage, material, and other performance related problems. During her 15-year career at RRJ, she has gained expertise in water leakage and moisture intrusion investigations and litigation support. She specializes in thermal performance and computational analysis of building enclosure systems and components and in the resolution of moisture intrusion and condensation problems. She is a licensed Architect in Illinois, South Carolina, and Wisconsin, a certified Building Enclosure Commissioning Process Provider (BECxP), and a certified Commissioning Authority + Building Enclosure (CxA+BE).

Sarah is active in several professional organizations and speaks and writes on building enclosure thermal performance and condensation issues across the industry. She serves on multiple ASTM International committees and is a Board Member and Co-Chair of the Technical Research Committee for the Air Barrier Association of America (ABBA). She is also a member of the American Institute of Architects (AIA), the Building Enclosures Council-Chicago (BEC-Chicago), Construction Specifications Institute (CSI), Exterior Design Institute (EDI), American Society of Healthcare Engineering (ASHE), and the Apartment Building Owners and Managers Association (ABOMA).

Patrick joined RRJ in 2016 as a Senior Engineer responsible for the project management of building enclosure investigations, consulting, field testing, and remedial design projects. He has over 12 years of experience as a forensic engineer and project manager of building enclosure and structural field investigations, repair design, and construction quality assurance programs. He has expert knowledge of exterior wall systems, diagnostic testing and protocols, and field quality control specifications for enclosure repair design programs. Previously, Patrick gained experience in forensic engineering and structural design at two consulting engineering firms in the Chicago area.

He is an Illinois licensed Structural Engineer, and is certified as a Registered Exterior Wall Consultant Registered Exterior Wall Observer (REWO), Certified Construction Specifier (CCS), and a Certified Construction Contract Administrator (CCCA).

Patrick serves in directorships and several committee roles at the national and chapter level of RCI, Inc. (Institute for Roofing, Waterproofing, and Building Envelope Professionals) and the American Architectural Manufacturers Association (AAMA). His other professional memberships include the Building Enclosure Council of Chicago (BEC-Chicago), the International Concrete Repair Institute (ICRI), and the Apartment Building Owners and Managers Association (ABOMA).