Double Coin and CMA LLC announced Aaron Murphy has been appointed Senior Vice President, effective July 1. Murphy will focus on further developing the sales teams and strategies in North America as well as supporting corporate objectives underway to support the growth.  He will be based in Florida. This marks a return to CMA for Murphy, who previously served as vice president, from 2005 through 2015. Prior to his return to CMA, Murphy served as Vice President of Commercial Tire Sales at TBC Corporation for over six years. Murphy’s career began in 1996 with Bridgestone Firestone.