Alan Vengel

Alan Vengel is the author of "Sprout!", "20 Minutes to a Top Performer: Three Fast and Effective Conversations to Motivate, Develop, and Engage Your Employees", "The Influence Edge" and "Das Verkaufs-Garten-Modell".

Books by Alan Vengel

Das Verkaufs-Gart...
Vengel, Alan
Electronic book text: $23.99

20 Minutes to a T...
Vengel, Alan
Electronic book text: $21.95

The Influence Edge
Vengel, Alan
Paperback: $25.99

Sprout!
Wright, Greg
Electronic book text: