Joseph Callahan
@josephcallahan
Director
Building Source Digital, Inc. as Director
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Founder Rating
1500
Everyone starts at 1500.
It only moves when two founders agree to a duel.
Named alongside
- Daniel WangDirector
- Henry FreconExecutive Officer, Director
- Lee WyattDirector
- Warren FisherDirector
Contribution
Joseph's ideas, decisions and failures appear here once this profile is claimed.