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He is a senior management consultant and information architect who has managed more than 100 projects using waterfall, spiral, incremental development and Agile methodologies in knowledge-management, eLearning and XML/SGML content-management-system projects in the USA, Canada, UK, Nigeria, Switzerland, Denmark, Greenland, Alaska, and Trinidad & Tobago.

David once spent a week on [https://en.wikipedia.org/wiki/HMCS_Onondaga_%28S73%29 HMCS Onondaga] writing "Life on a Canadian Submarine" for <i>Weekend Magazine</i>. For the <i>Montreal Star</i> he was on board [https://en.wikipedia.org/wiki/HMCS_Huron_%28DDG_281%29 HMCS Huron] for her Maker's Trials and experienced a December blizzard off [https://en.wikipedia.org/wiki/Anticosti_Island Anticosti Island]; and he has flown ice patrol from [https://en.wikipedia.org/wiki/Summerside,_Prince_Edward_Island Summerside PEI] to [https://en.wikipedia.org/wiki/Iqaluit Iqaluit] in Baffin Island. During the same period he was also a columnist for <i>Driving Magazine</i>.