Business Expert David Duncan Shares Entrepreneurial Wisdom as DELS Featured Speaker CEO David Duncan speaks at DELS event in Napa Valley on Saturday, January 30, at 2 PM. Tue, 26 Jan 2016 15:00:00 -0800 e341bdf5-21ad-4ef8-9d53-22eafad62faf Business Expert David Duncan Shares Entrepreneurial Wisdom as DELS Featured Speaker