Nash, who worked on BMA's Friends Reunited account and the Tio Pepe 'sherry revival' campaign, will now oversee media relations for Launch clients. He reports to CEO Johnny Pitt.
Nash said the role had been created to 'maintain creativity in the agency's media relations'.
Nash, who will also work closely with Launch's online division, joined BMA in 2004 after five years at Paragon Communications.
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