Staff Members Achieve LEED AP Accreditation Artekna is pleased to announce that the following staff members have recently achieved LEED AP accreditation: Robert S. Bray, AIA, NCARB, LEED AP Elizabeth R. Gruber, AIA, NCARB, LEED AP Timothy J. O'Sullivan, LEED AP   LEED Accredited Professionals™ (LEED APs) are building industry professionals who have demonstrated a thorough understanding of green building and the LEED Green Building Rating System™. The LEED AP 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.