Bryan Flournoy

“Dr. Gruder’s splendid book on heart-smart technology, also called emotional intelligence, nurtures the analytical mind and emotional body, the individual and the collective.” — Bryan Flournoy, “Making It All Click” Visionary Series show...

Rob McConnell

“Today’s preeminent thought leader on practical ways to bring integrity back into daily life, relationships, business, politics, the media, eduction, and religion.” — Rob McConnell, X-Zone Radio — Rob McConnell, X-Zone Radio

Peter Biadasz

“David always has tremendous insight into any topic he presents… and he makes it fun! — Peter Biadasz, President, Total Publishing & Media

Lillian Walker

“I loved interviewing you and having you as a guest. You are a natural and true Pro.” — Lillian Walker, Bottom Line Live

Suzanna Axisa

“As a radio host I read thousands of self-help books, but I consider Dr. Gruder’s book on strategic self-development the only indispensable one, and I can’t recommend it enough…”  — Suzanna Axisa, radio host of Lanto’s Lantern —...

Mercedes Guzman

“In Dr. Gruder’s presence you feel a spiritual teacher, not merely a scholar in his field.” — Mercedes Guzman, Radio Show Host — Mercedes Guzman, Radio Show Host