John Velissarios (RSA)
John is an experienced expert Principal Director in Accenture’s Technology Consulting workforce, based in London. He is part of Accenture’s specialist security capability with over 19 years of consulting experience across multiple business and industry sectors. John has worked in many geographies around the world bringing an international perspective to his delivery teams and clients. John is currently leading several Blockchain engagements with top tier global organisations.
John is Accenture’s Global Blockchain Technology Lead working with industry teams to develop the firm’s global Blockchain delivery capability. John specialises in capital markets, payments and financial services but also has many years of experience in other industries. John returned from a long term leave of absence where he was the CEO of a Blockchain start-up developing leading edge enterprise grade crypto-currency wallet solutions for exchanges, hedge funds, banks and HNW individuals.
Prior to his leave, John was also the Europe Africa and Latin America lead for Accenture’s security strategy and risk services practice. The practice provides services in: payments security, fraud management, business continuity, data loss prevention and privacy, risk management, security strategy, and threat and vulnerability management.
John holds a B.Comp.Sci. and M.Comp.Sci. degree specialising in cryptography and information security. John is a full (founding) member of the Institute of Information Security Professionals, IISP – M.Inst.ISP.