Businessman Bobby Kerr is stepping back from the Insomnia coffee chain after leading the business for over 20 years.
Mr Kerr has agreed to sell up to his business partners and is due to leave the chain in the coming weeks.
The 57-year-old will now focus on his broadcasting career at Newstalk and the filming of his TV series, Along Home Shores.
Founded in 1997, Insomnia boasts 150 stores across Ireland and the UK.
Mr Kerr presents his Down To Business show every Saturday between 10am and 12pm on Newstalk.
His food, music and pop culture show Bobby’s Late Breakfast goes out every Sunday between 9am and 11am on Newstalk.
He also answers all your business and work related questions in his role as Newstalk's SME Agony Uncle, every Tuesday on The Hard Shoulder.