David runs the Sustainable Water Resources Roundtable, a Federal Advisory group. At the White House Council on Environmental Quality, he chaired interagency committees on sustainable development Indicators and industrial ecology. He is on the steering committee of the Balaton Group, a forum for sustainability and systems thinking.
David leads workshops in the US, Mexico, Canada, Korea, Russia and elsewhere. He is a Past Chair of the Dharma Centre of Canada, one of the oldest meditation centres in North America. He performed on television and radio including on National Public Radio’s “Prairie Home Companion.” He authored the novel “Gate in the Fence of Time: A Journey to the Birth of America,” and edited “Tales of Awakening” gathered recollections of interactions with a meditation master.