Mark Calleran

CIO/Head of IT, Salvation Army IHQ

Spoken at 2 events in 1 country

Spoke at 2 past events

  1. Unified Communications Expo

    England England, London

    6th7th March 2012

    Mark Calleran spoke

  2. Social Connections 1

    England England, London

    4th July 2011

    Mark Calleran spoke

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