The CME Group has appointed John Santana as its managing director, front-end systems technology. Santana will be responsible for all CME Group user-facing trading technology applications, as well as market data, price reporting, trading terminals and all web-based services. He will report to Kevin Kometer, the CME’s managing director and deputy chief information officer. Sanatana had been an independent management consultant and he worked with the CME regularly over the past 20 years.