Zeljko Ranogajec is a businessman and professional gambler from Australia. The London-based Ranogajec is known for horse betting, blackjack and other forms of advantage gambling. Ranogajec was born in Hobart, Australia, in a family of Croatian immigrants.[2] He was a Commerce and Law student of the University of Tasmania, studying tax, finance and banking, when he began card counting in Blackjack at the Wrest Point Casino.[3] While there, Ranogajec met his future wife and business partner, Shelley Wilson, who was a full-time employee.[3] He subsequently relocated to New South Wales where he transferred his studies to the University of NSW in Sydney from which he eventually dropped out of to concentrate fully on advantage gambling.