The ones to watch: the tech and start-up movers and shakers who could shape 2022

From the single-parent start-up founder who has moved into online dating, to the Tipperary brothers helming Silicon Valley’s most valuable start-up, these are the business people to keep an eye on in the coming year

Zöe Desmond: her Frolo dating app is launching with an initial 3,000 subscribers. Picture: Anna Gordon