London, 11th March: Tarsus Group, a global B2B events and media group, has appointed Dan O’Brien as Chief Operating Officer, and Mark Pennington as Chief Financial Officer, effective from 31st March 2021.

O’Brien, joined Tarsus in 2011 as CFO and has been instrumental in delivering the group’s strategic growth plans and leading its global finance team. He will now oversee the company’s business operations and core group functions in the newly created role of COO.

Mark Pennington joined Tarsus in 2014 as part of the senior management team. In this new role, he will oversee the group’s financial operations and also take on the role of CFO for Tarsus’ US operations. Prior to joining Tarsus, Pennington served in senior finance roles in various companies.