David Rummler is managing director of CleanTech Strategy Group, which advises and mentors new clean technology ventures. He sits on the advisory boards of several Cleantech Open winners including Axiom, Dragonfly Systems and Rotary Wing Engines

David also teaches entrepreneurship and sustainability courses at Stanford and Notre Dame De Namur universities.

Previously, he worked for Tektronix in Oregon managing new software ventures and design automation venture investments. In Silicon Valley, he advised strategy teams including HP divisions, Andersen-Consulting, Apple Computer and smaller new ventures.