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

Barton Goldsmith, Ph.D.

“If Dr. Gruder’s book on restoring integrity was out sooner, we might not have fallen into the economic quagmire we are currently trying to crawl out of.” — Barton Goldsmith, Ph.D., PBS radio show host, syndicated columnist — Barton Goldsmith, Ph.D., PBS...

Hope Phillips Umansky

“Heartfelt thanks for your presentation, “The Hijacking of Health and the Future of the Field,” at CIHS’ annual conference. The feedback from the conference attendees was phenomenal. Some of the words they used were: inspirational, passionate, captivating,...

Hemda Mizrahi

“Dr. Gruder is a highly generous, attuned, responsive, receptive facilitator with a helpful proportion of structure and flexibility. It was a privilege to be part of his training. He did an excellent job of encouraging and responding to active participation and...

Rich Weisberg, PhD

“David was the best trainer ever. The two days never dragged. He was highly engaging, knowledgeable and warm. I came from a long distance and am so glad I did.” — Rich Weisberg, PhD, Psychologist — Rich Weisberg, PhD, Psychologist

Carol Wachniak

“Dr. Gruder’s Integrity Leadership training is the foundation to building a strong company or organization. In today’s world the upsets are a result of unclear understanding of what people are experiencing and not knowing how to handle it. The tools he provides can...