WASHINGTON, DC-The 2.3-million-sf Washington Convention Center opens its door after years of planning and development. Located on 17-acres of land in the city, the $833-million project is expected to bring in about $1.4 billion annually once it is fully operational.

FAIRFAX COUNTY, VA-The firm is adding two new retail centers to its portfolio with the $31 million purchase of South Valley Shopping Center and Mount Vernon Plaza from separate owners. The adjacent properties account for 213,000 sf and 257,000 sf, respectively.

FAIRFAX COUNTY, VA-The firm is adding two new retail centers to its portfolio with the $31 million purchase of South Valley Shopping Center and Mount Vernon Plaza from separate owners. The adjacent properties account for 213,000 sf and 257,000 sf, respectively.

VIENNA, VA-IBM takes on nearly 70,000 sf in the 200,000-sf building in the Towers Crescent office development complex. The company will occupy the space, located at 8020 Towers Crescent Dr., under a five-year lease agreement.

ANNE ARUNDEL COUNTY, MD-Corporate Office Properties Trust secures a tenant to occupy what will be a new 157,000-sf, class A office building within the National Business Park. California-headquartered communication systems services provider the Titan Corp. will take up residence in the entire $26-million building.

WASHINGTON, DC-Envisioning an upswing in the hospitality industry, which took a big hit after Sept. 11, management company Interstate Hotels & Resorts taps one of its own to serve as chief investment officer. Steven D. Jorns officially begins his new job on April 1.

COLLEGE PARK, MD-The Clark Construction Group Inc. gives the University of Maryland a helping hand with its new engineering facility by serving as the general contractor on the 155,000-sf project. The $39 million building is expected to be up and running in December 2004.

WASHINGTON, DC-Marriott International Inc. bids a fond farewell to the senior-living property business with the closing of a $255-million disposition of Marriott Senior Services Inc.'s remaining senior communities and outstanding stock. All together, the selling-off of the subsidiary leaves Marriott with about $400 million to play with.