Restaurateur and author who co-founded the award-winning, health-conscious restaurant The Happy Pear alongside his identical twin brother Stephen. His 2014 book, also called The Happy Pear, was the best-selling cookbook in Ireland for two years.
He grew up in a town called Greystones, just south of Dublin, Ireland.
He parlayed the success of his restaurant and book into a popular YouTube cooking channel, which currently boasts more than 370,000 subscribers.
He has brothers named Darragh and Mark.
Celebrity chef Jamie Oliver is among his most high-profile fans.