Locksmith Dave O’Toole (centre) with employees Aaron Whelan and Stephen Murphy. Photograph: James Forde

Dubliner Dave O’Toole is the first to admit that he isn’t your typical ‘tech bro’. At the age of 60 and having spent more than 30 years working as a l(...)

Locksmith Dave O’Toole in his shop on Amiens Street in Dublin. Photograph: James Forde

A 60-year-old Dublin locksmith has become an unlikely tech entrepreneur after winning a Silicon Valley start-up competition with a smart lock he devel(...)