Osama A. Abu Sitta

Hill International, Inc. provides project management and construction claims consulting services. The firm's services include: construction management, project management, program management, project management oversight, estimating & cost management, facilities management, project monitoring, troubled project turnaround, commissioning, project labor agreement consulting, project advisory and resiliency & disaster recovery. The company was founded by Irvin E. Richter in 1976 and is headquartered in Philadelphia, PA.