Mark has over 25 years of experience in investing, executive leadership and business development while growing six early-stage funds/companies. He has extensive experience in impact investing, as an investor, developer, and operator. Most recently he was EVP Business Development for Cadenza Innovation, a leading energy storage technology company. Previously, he was CEO of HPA Sonics, an early stage specialty materials company developing a clean process for the production of a key LED raw material. Prior to that, he was CEO of Greenleaf Biofuels (now American Greenfuels). At Greenleaf, he and his partners built the largest waste-to-biofuel plant in the Northeast U.S. Formerly, Mark was an investment banker at Progress Partners where he led the clean energy practice, and a Managing Director of two long/short equity hedge funds that he helped grow to $500M in combined assets. Mark has B.S. in Finance from Babson College.