Mitchell started his career as a professional DJ before founding Impulse Events in 2003. He joined the Concerto Group as business development director in 2012.
He will be responsible for driving a group sales strategy across all of Concerto’s key businesses including UE, Mask, Create and the Group’s regional businesses, JD Concerto.
The new role comes as part of Concerto’s investment in its in-house sales and marketing functions led by event professionals.
Teresa-Anne Dunleavy, Concerto Group CEO, said: "Simon is a senior sales professional who is passionate about tapping into the group’s extensive expertise to deliver beyond client expectations. His appointment is aimed at delivering even more integrated solutions to meet customer needs."