Leadership Lessons from Marine General “Mad Dog” Mattis [Video] By Samuel Culper • October 18, 2016April 5, 2018 Share this:TweetEmailPrint Related Samuel CulperSamuel Culper is a former Intelligence NCO and contractor. Iraq(x1)/Afghanistan(x2). He now studies intelligence and warfare. Join nearly 9,000 people already receiving the Forward Observer Dispatch Email Address