Kevin Roberts
Bill Isaak
Bill Isaak joined Montag Windows & Doors as vice president of sales. In his new role, Isaak will manage the dealer network alliance program, which includes dealer development, product education and sales training. Isaak will work out of the company’s offices in Roswell, Ga.
R. Michael Walden

Leo A Daly architectural firm promoted R. Michael Walden to vice president, director of design, at the Los Angeles office. Prior to joining Leo A Daly, Walden served as principal and director of design for Nadel Architects. He was also partner in charge of design with Los Angeles-based Dworsky Associates.
Brett Sumrow

Architectural and design firm Corgan Associates elevated Brett Sumrow to vice president. Sumrow joined Corgan, based in Dallas, as an intern and has been with the firm for a decade, specializing in project and contract management for the education team. He has worked with a variety of major school districts and among his achievements are the 30 new campuses for the Frisco Independent School District in Frisco, Texas.
Sheila Elijah-Barnwell
Tim Bailey

Tim Bailey, LEED AP BD+C, rejoined Boston-based Margulies Perruzzi Architects as an architect. Bailey has experience with several corporate projects including the new corporate headquarters for Forrester Research in Cambridge, Mass., and Foley Hoag’s Boston office. He is a member of the AIA and the USGBC.
Rui Ribeiro
Rui Ribeiro joins Margulies Perruzzi Architects, a Boston-based architectural and interior design firm, as an architectural designer. Ribeiro’s responsibilities include design development and construction documentation using Autodesk Revit.
Shane Butler

Stanley L. Chiu
Stanley L. Chiu, AIA, LEED AP, joined RTKL Associates Inc., as vice president. Chiu has 18 years of experience, primarily with healthcare and higher-education facility planning. He will work in the firm’s Los Angeles health and science studio and lead activities in the western United States and Asia.