Callister, John (1953-01)

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Organisation Position From Until
1 ON SCREEN SOLUTIONS (NI) LLP PartnerPartner 2008-09-17 2024-03-19
2 ON SCREEN SOLUTIONS LIMITED DirDirector 1999-09-21 2010-03-05
3 TIME TO SOAR CIC DirDirector 2020-11-27

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