Sierk Janszen Email & Phone Number
CEO @ kissbox-nl
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Sierk Janszen Location
- Amsterdam, NH, NL
Sierk Janszen Work
- CEO @ (January 2002 - Present)
- Owner and Cofounder and CTO @ (January 2005 - June 2020)
- Sales Engineer @ Avenger Systems (January 1995 - January 2001)
Sierk Janszen Education
- VWO 1973-1978
Sierk Janszen Skills
- Enterprise Software
- Small Business
- Business Strategy
- Software Development
- Coaching
- Mergers
Sierk Janszen Summary
- Sierk Janszen, based in Amsterdam, NH, NL, is currently a CEO at kissbox-nl. Sierk Janszen brings experience from previous roles at Rapenburg Plaza and Avenger Systems. Sierk Janszen holds a 1973 - 1978 VWO. With a robust skill set that includes Enterprise Software, Small Business, Business Strategy, Software Development, Coaching and more. Sierk Janszen has 1 emails and 1 mobile phone numbers on RocketReach.
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