The author of Guide to DNA Testing, Richard Hill has a BS in physics, an MBA, and more than thirty years of experience in marketing. His groundbreaking use of genetic genealogy tests in adoption search was featured on the front page of the Wall Street Journal.
David Colacci has been an actor and a director for over thirty years, and has worked as a narrator for over fifteen years. He has won AudioFile Earphones Awards, earned Audie nominations, and been included in Best of the Year lists by such publications as Publishers Weekly, AudioFile magazine, and Library Journal.