The company was first financed by Flagship Ventures and Khosla Ventures in 2006.

In July 2004, the company had its first round of venture capital funding for $5 million, with investments from Flagship Ventures [1] and General Catalyst Partners.

Then later in 1999 Dr. Afeyan left, to co-found Flagship Ventures, an early stage entrepreneurial venture capital firm.

Original financing was obtained from Flagship Ventures, the Bollard Group and private investors.

Ensemble is principally owned by Flagship Ventures, a venture capital firm whose founder, Noubar Afeyan, chairs its board.

He is a Partner at Flagship Ventures, a venture capital firm based in Cambridge, MA.

In 2000, he moved to Flagship Ventures as a managing director.

In May 2005, he left Flagship Ventures to become a Partner at Castanea Partners, Inc.

In 2000, Afeyan founded Flagship Ventures, where he creates and funds early-stage start-ups addressing unmet needs in healthcare and sustainability.

In 2000, Afeyan founded the early-stage venture capital firm Flagship Ventures, where he currently serves as CEO and Managing Partner.