We are committed to helping our portfolio companies achieve their maximum potential. We value our relationship with our companies, not only because of the potential for generating investor returns, but also because of the energy and enjoyment we derive from working with entrepreneurs.


Controlling the use of energy more intelligently is a key strategy to reduce energy cost and emissions, and improve supply security. Ember is the leading company producing wireless networking tools to extend energy control throughout commercial buildings and homes, with dominant market share of in-building networking “s…

Boston, MA


Programmable logic devices are steadily growing in capability and in market share of custom logic chip designs. GateRocket fills a key hole in the tool set for design of complex circuits based on programmable devices verification and debug. It enables designers to accelerate from weeks to days the time required to debug comple…

Bedford, MA


Lumidigm helps us quickly and conveniently prove who we are. Their novel fingerprint imager uses polarized natural light to look beneath the skin and see a clear, unblemished view of the unique personal signature that is indelibly part of every one of us. It is used in theme parks, airports and border crossings to conveniently…

Albuquerque, NM


Luminus has proprietary technology that enables it to produce light emitting diodes (LEDs) that are 2X brighter than a car headlamp and 5-10x brighter than competing products. Opportunities for super-bright LEDs exist in multiple large markets: projection displays, automotive, general and architectural lighting, and signage. Lu…

Billerica, MA


SepSensor offers a low cost, wireless sensor and remote monitoring service that enables restaurant facilities managers to efficiently solve their growing problem of grease interceptor maintenance.

Northborough, MA