Kieran O’Neill: Reflections on Leadership, Culture, & Growth

Kieran is probably a serial entrepreneur – he founded his first business aged 15, (sold age 19 for $1.25m), his second and third were also acquired. He’s co-founder/CEO of his fourth startup, Thread. In this interactive discussion from BoS EU Online 2020, Kieran shares some of his experiences and learnings having founded and grown four tech businesses before the age of 30. Kieran’s focus at Thread is to drive the growth of the business and keep developing – not maintaining – the company culture.

Prior to Thread, Kieran founded one of the first video sharing websites aged 15 and sold it for $1.25M aged 19. He was then CEO and co-founder of Playfire, the largest social network for gamers, which he grew to 1.5 million customers before being acquired in 2012. He’s a member of the Forbes, Drapers and Financial Times 30 Under 30 lists.


Kieran O’Neill
Kieran O’Neill

Kieran O’Neill

Kieran is probably a serial entrepreneur – he founded his first business aged 15, (sold age 19 for $1.25m), his second and third were also acquired. He’s co-founder/CEO of his fourth startup, Thread.

Prior to Thread, Kieran founded one of the first video sharing websites aged 15 and sold it for $1.25M aged 19. He was then CEO and co-founder of Playfire, the largest social network for gamers, which he grew to 1.5 million customers before being acquired in 2012. He’s a member of the Forbes, Drapers and Financial Times 30 Under 30 lists.

More from Kieran.


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