Gregory Chang, 39
National director of healthcare
Ellerbe Becket, Washington, D.C.
BSArch, BArch, The Catholic University of America
AIA, LEED AP
At age 35, named principal at the firm (2007 total billings: $55.08 million, according to BD+C's Giants 300).
Appointed principal-in-charge of marketing for Washington, D.C., office in 2007.
In 2008, named firm-wide expertise leader for healthcare, firm's largest practice (averaging $65 million in annual sales).
Responsible for business development, project delivery, and professional practice development.
Focused on growing firm's international healthcare work.
Samsung Cancer Center, Seoul, South Korea.
Dubai University Hospital for Harvard Medical International, Dubai, UAE.
Khalifa Orthopaedic Sports Medicine Hospital, Doha, Qatar.
Member, Academy for Healthcare Architecture.
Frequent guest speaker and studio juror.
OFF THE CLOCK
Most exciting vacation spots: Dubai, Seoul, and Brisbane (Australia).
Lives for sushi.