Roy Stein

Letterone Investment Holdings SARL (Letterone) is a private equity firm founded in 2013. The firm is headquartered in Luxembourg.

Zik Energy Points, Inc. provides a Software-as-a-Service based source energy analytics software solutions. It enables organizations to maximize the energy and financial payback of energy efficiency, distributed energy, and water conservation initiatives. The firm’s platform takes enterprise’s on-site energy consumption data and maps it to its database of geospatial source energy data, quantifies source energy by mapping existing data for electricity, fuels, water and materials calculates. The company was founded by Roy Stein and Ory S. Zik in 2011 and is headquartered in Canton, MA.

GridPoint, Inc. provides energy management and sustainability solutions. Its data-driven energy management solution solves problems by leveraging big data analytics, software-as-as-service low-cost computing, and wireless technologies to enable integrated and automated energy management. The firm serves the restaurant, retail, grocery, convenience and government industries. The company was founded by Peter L. Corsell in 2003 and is headquartered in Reston, VA.