Dallas-based 3Headed Monster has tapped Ashley Parker for a new head of client services role. She previously served at Expedia Group, where as head of brand marketing for Travelocity, she first met and worked with 3Headed Monster.   Shon Rathbone, founder/creative chairman, 3Headed Monster, said that while the agency “did not recruit her directly from Travelocity," she had recently left the travel platform and was looking for the "next thing. When we met to discuss this opportunity, it immediately clicked, due to the good experience we had recently had working together," he says.  In 2016, Parker introduced Travelocity’s “Wander Wisely” campaign …