NEW YORK & ATLANTA–(BUSINESS WIRE)–Hudson MX, an advertising technology business providing media buying and media accounting solutions globally through a cloud-based SaaS platform, announced today that Charlotte Martin has joined the company as its Global Head of Customer Support. Martin, who brings nearly 25 years experience in client services, will be based in London, UK. This addition marks the latest step in the company’s rapid expansion of its global customer support organization. Hudson