Mark Callen Location
London, GB
Mark Callen Work
- 2010 - now Founder and Chief Executive Officer @ Callen Tell
- 2018 - 2019 Vendor Management @ O2 (Telefónica UK)
- 2015 - now Director @ Bridgepond
- 2010 - 2011 Vice President, EMEA and Asia Pacific, Mobile Services Division, Myriad Group Ag @ Myriad Group AG
- 2007 - 2009 Sales Director, EMEA and Latam @ Citrix
- 1999 - 2007 EMEA Sales Director @ Netonomy
- 1995 - 1999 Sales Manager @ Informix Software
- 1984 - 1994 Northern Europe Sales and Marketing Director @ Information Dimensions Inc
- 1981 - 1984 Graduate Trainee @ bp
Mark Callen Education
- University of Birmingham
Bachelor of Science (Mathematics)
1977 - 1981 - Price'S Grammer School
(Physics, Chemistry)
1973 - 1977
Mark Callen Summary
Mark Callen, based in London, GB, is currently a Founder and Chief Executive Officer at Callen Tell. Mark Callen brings experience from previous roles at Telefónica Uk, Bridgepond, Myriad Group Ag and Citrix. Mark Callen holds a 1977 - 1981 Bachelor of Science in Mathematics @ University of Birmingham. Mark Callen has 3 emails on RocketReach.
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