UK-born Miller was previously employed as business development manager, sports & sponsorship marketing at George P Johnson, where he worked with brands such as Pepsi, Under Armour and Cisco.
Prior to GPJ he worked at London-based companies Aqueduct and Rainmaker.
Jack Morton has also added another four new hires to its senior team in the US. These include Ann Marie Almariei who is now VP, content director in the Boston office and Shelley Elkins, who joins as SVP, group creative director in Chicago.
Nikki Herr has been appointed to the role of VP, account director, in the agency’s San Francisco office, meanwhile the agency has recruited Don Peasley as EVP group account director, based out of Detroit.
All appointments are effective immediately.
Josh McCall, chairman and CEO at Jack Morton Worldwide, said: "We’re excited to be kicking off 2016 adding extraordinary talent to our teams across the US.
"Our new hires bring exemplary creative and management talent that we know will reinforce and further propel our teams to create world class brand experiences for our clients."
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