Yale published essay questions and deadlines for its 2016 MBA program:

The Yale School of Management educates individuals who will have deep and lasting impact on the organizations they lead. Describe how you have positively influenced an organization as an employee, a member, or an outside constituent. (500 words maximum)

Round 1 – 9/16/2015
Round 2 – 1/7/2016
Round 3 – 4/21/2016