David and his wife, Eileen Cashman, live in Arcata,
        California. David is a principal in a business for turning
        algae into biofuel and fertilizer products (
AlgaRhythms). David is also
             assistant director of the University-National Park
             Energy Partnership 
Project. David and Eileen have two
             sons.
        
        
        David and his wife Eileen on sabbatical in England in 2006.
        
        
