Dan Haiem (@classcalcdan) 's Twitter Profile
Dan Haiem

@classcalcdan

Founder + CEO of @ClassCalc, Entrepreneur, Drummer, Math-geek, AP-physics teacher 👨‍🏫🥁🧪👨‍🔬

ID: 1149769912102952961

linkhttp://classcalc.com calendar_today12-07-2019 19:58:03

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