Mr Kellett joined the company back in 2010
The owner of chocolate maker Cadbury, Mondelez Ireland, has appointed a new managing director.
The company also controls brands such as Oreo, Philadelphia and Maynards Bassetts.
Eoin Kellett will take over the role from Louise Stigant, who is moving to a new role as commercial director for northern Europe.
Mr Kellett joined Mondelez Ireland in 2010 and most recently held the position of commercial director.
He previously worked for Premier Foods and RHM.
He is also a Trustee of the Cadbury Foundation and a member of the executive committee of the Irish Grocers Benevolent Fund.
The Cadbury Foundation dates back to 1935 and was set up in recognition of company founders, George and Richard Cadbury, and their investment in the welfare of their employees and wider communities.
Mr Kellett is a marketing graduate of the Dublin Institute of Technology (DIT) and has an MBA from Dublin City University (DCU).