Sigma Partners
A high technology venture capital firm with over a billion dollars under management, Sigma Partners helps entrepreneurs transform ideas into substantial, profitable businesses. The partners have experience as successful CEOs, entrepreneurs and technologists. With this deep operating and technical insight, Sigma helps build teams and strategies that produce sustainable value and successful outcomes.

Founded in 1984, Sigma Partners were early investors in companies such as Cascade, Vignette, StorageNetworks, Internet Security Systems and Tradex Technologies. Sigma closed its sixth fund of $600M in February 2001. For more information, please visit www.sigmapartners.com.

Flagship Ventures
Flagship Ventures is an early-stage venture capital firm focused on creating, financing, and building innovative companies in the Life Science and Technology sectors. Headquartered in Cambridge , MA , Flagship Ventures was founded in 1999 and manages $700 million in capital. Prior to its founding, Flagship's principals were involved as founders or investors in over 100 firms including: Adolor, AltaVista, Anesta, Antigenics, Aspect Medical, Astral Point, Celera Genomics, ChemGenics Pharmaceuticals, Color Kinetics, Chantry Networks, Cytyc, DataSage, Exact Sciences, IDEXX, PerSeptive Biosystems, Somatogen, Telecorp PCS and TripAdvisor. For more information, visit www.flagshipventures.com.