Diana Propper de Callejon

Managing Director


Diana has more than twenty years of experience backing and building sustainability and values‐led companies. Cranemere, a holding company that owns and grows privately held companies for the long term allows companies to stay private, preserve their culture and values, and continue their growth and development with a long-term view, without the distractions of having to provide an exit.

Diana's experience includes energy, greenbuilding, organic/natural foods, and healthy living. Prior to joining Cranemere, Diana was a Partner at Expansion Capital Partners, a sustainability and clean tech growth venture fund. Diana is proud to have backed and partnered with several successful companies including DIRTT Environmental Solutions (green building, taken public on the TSX), CPower (energy efficiency and powermanagement, sold to Constellation Energy), and Orion Energy (energy efficient lightingand controls, taken public on NASDAQ). Diana has also been an Aspen Institute Fellow and a Capital Institute Fellow researching innovative deal terms and investment structures that build stronger and more aligned partnerships between investors and mission driven enterprises.

Diana serves on the Boards of DIRTT Environmental Solutions, Duke University’s Nicholas Institute for Environmental Policy Solutions, Echoing Green, Capital Institute and the Advisory Board for the New York City Accelerator for a Clean and Renewable Economy. Diana has an MBA from Harvard Business School and a BA from Duke University. She lives in New York City with her family and enjoys playing sports with her two sons.


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