Thomas Mattern, DDS Hits Amazon Best-Seller List With “Change Agents”
Thomas Mattern, DDS recently hit seven Amazon.com best-seller lists with the new book, “Change Agents.” Phoenix, AZ – November 19, 2013 – Dr. Thomas Mattern, of Desert Dentistry, recently joined noted business development expert, Brian Tracy, and a select group of the world’s leading business professionals to co-write the book titled, Change Agents: The World’s […]