Staff Members Upgrade to LEED AP BD+C Gregory W. Lewis, AIA, LEED AP BD+C Robert S. Bray, AIA, NCARB, LEED AP BD+C Elizabeth R. Gruber, AIA, NCARB, LEED AP BD+C Katie Hull, LEED AP BD+C Tim O'Sullivan, LEED AP BD+C   LEED® Accredited Professionals™ are building industry professionals who have demonstrated a thorough understanding of the Green Building Design + Construction LEED rating systems: LEED® for New Construction™, LEED® for Schools™ and LEED® for Core & Shell™. The LEED AP BD+C credential indicates that the professional has the knowledge and skills to facilitate the LEED certification process. LEED Professional Accreditation is a voluntary designation achieved by individuals who have passed the LEED® Professional Accreditation™ exam. For further information on LEED and the ratings systems, please visit http://www.usgbc.org.