Glenn Birx is a principal and Vice President of Ayers Saint Gross with more than 35 years of experience. He leads the technical and management side of the firm, overseeing contracts, quality control, construction documents, and administration. Glenn is a nationally recognized expert in Building Information Modeling (BIM) and has written, lectured, and consulted on the benefits of the software. His longstanding contributions to the profession include serving as president and board member of the Maryland and Baltimore AIA. He helped steer a recent revision of the Architects’ Handbook of Professional Practice and wrote the chapter on defining project services.