David Hunter, a founding director of the Northumberland Tourism organisation, collapsed last Sunday at his home after a seemingly small accident while on holiday with wife Sue in the resort of Icmeler.
The 59-year-old was rushed to hospital where specialists carried out scans before discovering a blood clot on his lung.
Despite receiving emergency treatment, the father-of-two suffered a heart attack in the early hours of Monday and he died in hospital the next day.
Mr Hunter was born in Hartlepool and grew up in Morpeth, Northumberland.
More top news
The distraught family of a teenager killed in a car accident have backed a campaign to safeguard young drivers on north east roads.
A new project has resulted in budding entrepreneurs seeing their work brought to life in a campaign to promote unity in football.
Controversy over fracking has been reignited after a surprise announcement that a future Labour government would ban it.