COLUMBIA, Md.--(BUSINESS WIRE)--Merkle (www.merkleinc.com), a leading technology-enabled, data-driven performance marketing agency, announced the appointment of Dan Schmerzler to vice president, client partner in Merkle’s Travel, Media and Entertainment practice. In his new role, Dan will focus on the Media industry and will serve as a strategic partner to Merkle’s key clients within that practice, helping to drive business growth and promote customer engagement across digital and offline media