Justin Skycak
@justinskycak
Chief Quant & Dir Analytics @_MathAcademy_
Built the engine behind the world's most efficient math learning system.
Author of The Math Academy Way ↓
🔊 Sky-zack
加入 December 2016
207 正在关注 46.5K 粉丝
"Your lack of urgency is wasting your potential."
