O’Donnell is the UK head of operations for JLL.. He joined JLL in 2019 as the head of real estate, spearheading the estate strategy and the firm’s move to its new UK headquarters at 1 Broadgate. O’Donnell has spent time across various business teams in operational roles, from managing JLL’s Covid response to running the operations of its agency business. Prior to 2019, O’Donnell was the EMEA head of real estate for EY.