Jan Wallien Email
IT Manager @ Koornstra & Co
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Jan Wallien Location
- Amsterdam, NH, NL
Jan Wallien Work
- IT Manager @ (December 2008 - Present)
- Manager Carrier Services @ (January 2007 - January 2008)
- Manager Carrier Services @ (January 2004 - January 2007)
- Manager Systems @ (September 2004 - December 2005)
- Interim Manager Interconnect and Regulatory @ (January 2001 - January 2002)
- Manager Interconnect @ (January 1997 - January 2001)
- Interconnect @ (January 1997 - January 2000)
- Interconnect and Roaming @ (January 1994 - January 1997)
- IT Projects; Carrier Relations @ (January 1992 - January 1997)
- Roag Military Service @ (December 1990 - January 1992)
Jan Wallien Education
- De Haagse Hogeschool / The Hague University of Applied Sciences
Bachelor of Science
1984-1990
Jan Wallien Summary
- Jan Wallien, based in Amsterdam, NH, NL, is currently a IT Manager at Koornstra & Co. Jan Wallien brings experience from previous roles at T-Mobile, Orange and Tele2. Jan Wallien holds a 1984 - 1990 Bachelor of Science @ De Haagse Hogeschool / The Hague University of Applied Sciences. Jan Wallien has 1 emails on RocketReach.
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