Over the years David has spoken to and consulted with some of the world’s largest and most successful organizations down to small rural hospitals.  These have been located primarily in the US and Europe with operations also in Asia, and they include all major industry sectors and well as government.  Here is a small sample of clients for whom he has worked:


Airlines:  American Airlines, Pacific Southwest Airlines (now part of American)


Electric (including nuclear) and gas utilities:  Arizona Public Service, Salt River Project, PacifiCorp, Sierra Pacific Power (now NV Energy), Puget Sound Energy, Duke Energy, San Diego Gas and Electric (Sempra Energy)

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Hospitals:  University of Arizona Medical Center, Memorial-Hermann Healthcare (Houston), and over 100 other hospitals, including a large system now part of HCA.


Extractive Industries (oil, gold, copper):  BHP, Exxon Mobil, ARCO (BP), Amax (now Phelps Dodge), BP Minerals


Manufacturing/Industrial:  Hilti International Group (Liechtenstein),  Heraeus Holding (Hanau, Germany), Alcan Aluminum, Kaiser Aluminum

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Financial Services:  Citigroup, American Express

David has also worked in the telecom industry, for parts of what is now Verizon Wireless in the United States and internationally for Swisscom.

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