Universidad Tecnológica de El Salvador

John E. Doerr

8 Book

Insight Selling
Surprising Research on What Sales Winners Do Differently
Mike Schultz and John E. Doerr
Wiley, 2014
7 Book

Rainmaking Conversations
Influence, Persuade, and Sell in Any Situation
Mike Schultz and John E. Doerr
Wiley, 2011