If you have something to hide, don't hire Mark. He is a CEO Whisperer and "truthsayer" who will make you confront and deal with what's holding you back and make you better. - Warren Bennis, Leadership Pioneer
My executive team and I continue to be the beneficiaries of Mark's clarity that is often painful, insights that are practical and ideas that we can't wait to put into action. - Erik Oberholtzer, Co-Founder, CEO, Tender Greens
The 6 Secrets of a Lasting Relationship: How to Fall In Love Again — and Stay There
"This straightforward guide explains how Chemistry, Respect, Enjoyment, Acceptance, Trust, and Empathy are the pillars that support a strong, successful relationship-and how couples can repair those pillars."