Yair Mark is currently the Chief Technology Officer at OneSpark since September 2020. Prior to that, Yair worked as a Blockchain Developer and Full Stack Developer at Rand Merchant Bank and as a Developer at Investec. With a background in Computer Science and Mathematics, Yair has experience working as a Software Engineer at Entelect and as an Analyst and Programmer at Accenture. Yair holds a BSc. in Computer Science and Mathematics from the University of the Witwatersrand, and also completed an Honours degree in Computer Science at the same university.