Date of Birth: 
About Risto Siilasmaa
- Risto Kalevi Siilasmaa (born 17 April 1966 in Helsinki, Finland) is the chairman, founder and former CEO of F-Secure Corporation (formerly Data Fellows), an anti-virus and computer security software company based in Helsinki, Finland.
- He is also the biggest shareholder of F-Secure, owning around 40% of the company.
- A member of Nokia's board of directors since 2008, he has been its chairman from 2012 onwards, as well as Nokia's interim CEO by replacing Stephen Elop from 3 September 2013 to 29 April 2014 when Rajeev Suri was appointed as the official CEO.
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