Geoffrey Cleaves is the Head of Secure-D at Upstream. Secure-D provides real time fraud detection to mobile operators and digital marketers. Having used computers to analyse data since the age of 13 while living in Panama, Geoffrey has held tech management roles in Chile, Argentina, Spain and the United States in the insurance, telecommunications and internet marketing industries. Prior to joining Secure-D, Geoff was the Managing Director at Opticks, another fraud detection venture he helped launch in 2017. Geoff was as Business Intelligence and then Compliance Director at Billy Mobile where he analysed over 1B impressions daily. 

When not protecting himself from his young boys, Geoff likes to play tennis and cheer on FC Barcelona.