John Yourston

Senior Advisor at RESTRATA


John is a highly experienced security and business sector professional with a proven track record of commercial success. Following an accomplished career in the British Army, he transitioned to the commercial sector and as a founding director of Olive Group, was instrumental in building a small start-up company in a niche sector of the security market to a multimillion-dollar turnover, technology integration, and training organization. 


  • Senior Advisor

    Current role

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