David Rubinstein

Optirtc, Inc. provides software solutions to optimize the function of civil and environmental infrastructure. Its solutions include combined sewer overflow reduction, rainwater harvesting, hydromodification, water quality improvement, stormwater credit markets, green infrastructure, conventional stormwater infrastructure, clean water act compliance, water quality, water level, performance and research. The company was founded by Marcus Quigley, Alex Bedig and Owen Cadwalade in December 2014 and is headquartered in Boston, MA.

Part of CoStar Group, Inc., Resolve Technology, Inc. is a company that offers services for achieving transformational growth. The company is based in Needham, MA. The company's services include ERP - SAP, Oracle Modernization, Managed Cloud Services, AI/ML, Cyber Security, and Digital Signature Solutions. The CEO of the company is Eric Forman. Resolve Technology was acquired by CoStar Realty Information, Inc. on October 19, 2009 for $4.52 million.

DataXu, Inc. engages in the provision of programmatic marketing software. It offers multi-channel demand side platform for online, video, and mobile advertisers. The company was founded by Mike K. Baker, Sandro Catanzaro, Bruce Journey, Willard L. Simmons, and Edward F. Crawley in 2009 and is headquartered in Los Gatos, CA.