HSA Commercial Real Estate’s Brad Black, vice president, Corporate Real Estate Services and Office Brokerage, recently represented the American Society of Retina Specialists (ASRS) in a 978-square-foot lease at the Civic Opera Building located at 20 North Wacker Drive, Chicago, Illinois. ASRS will take occupancy of their new office space October 15th, 2010 after relocating from their current offices in Chico, California.

American Society of Retina Specialists is a not-for-profit association of physicians, surgeons, and medical researchers dedicated to promoting understanding and research of vitreoretinal diseases. Founded in 1982 as a casual forum in which to share scientific information, ASRS has grown to include 2,400 members in 55 countries.

Ana Acker, leasing associate with Tishman Speyer, represented ownership in the transaction.