Gebre Waddell is an American entrepreneur, author, and software engineer based in Memphis, TN. Waddell is best known as CEO and Co-Founder of Sound Credit, author of Complete Audio Mastering published by McGraw-Hill, and for audio mastering work for a range of musical artists including MInistry, Lil' Wayne, Rick Ross, Public Enemy and others. Waddell also serves on the Board of Trustees of The Recording Academy/GRAMMYs and as Chairman of the Tennessee Entertainment Commission.