MV
Marc van Zadelhoff CEO
Chief Executive Officer
ROOKIE US
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Avg Rating
Rehire Rate
6.8
Clout
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Career Highlights
Awards & Recognition
SC Media Security Executive of the Year 2025
Notable Facts
CEO of Mimecast since January 2024, leading 42,000+ customers worldwide
Previously CEO of Devo Technology, raised $350M and tripled revenues
Co-founded IBM Security, grew it to $2.5B revenue with 8,000 employees
MBA from Wharton School, BA from Bowdoin College
Has 25 years experience in cybersecurity industry
Led multiple strategic acquisitions including Q1Labs for IBM
Regular conference speaker at RSA and industry events
Published thought leadership content across multiple platforms
Winner of SC Media Security Executive of the Year 2025
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Others at Mimecast
Josh Douglas
Chief Technology Officer
0 refs · 5.8 clout
Robert Nault
Chief Financial Officer
0 refs · 4.8 clout
Mark Allen
Hiring Manager
0 refs · 0.5 clout
Clout Score
6.8
/ 10
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