David Glenn Named "40 Under 40" Honoree by Consulting-Specifying Engineer SmithGroup is pleased to announce that David Glenn , RCCD, CTS-D, LEED AP BD+C, has been named a “40 Under 40” honoree by Consulting-Specifying Engineer. Glenn serves as Director of Information & Communications Technology at SmithGroup and possesses specialized expertise in many areas, including threat and vulnerability assessments, CPTED-informed planning and the design of advanced electronic security systems including su