Mark R. Sheridan @DisasterLessons

Accidents, Catastrophes, Crises, Disasters, Emergencies, Events & Incidents: Lessons Learned, Unlearned, Relearned, or Never Learned. 🚨☯️🚨 linkedin.com/in/mark-r-sher… Alexandria, VA, 🇺🇸 Joined March 2014
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