Consulting company Mercer has appointed John Mercer as the company's Irish chief executive. 

John Mercer will replace Tom Geraghty, who was recently appointed as the Mercer CEO for Europe. 

Before his new appointment, John led the company's health and career consulting businesses in Ireland, advising clients on strategies to improve employee engagement, wellbeing, recruitment and retention. 

He has been a member of Mercer Ireland's leadership team for the past five years.

He also previously worked in HR roles for Intel and IBRC.