Marc van Zadelhoff

Marc van Zadelhoff joined Mimecast as the company's second CEO and member of the board in January 2024, where he will lead all aspects of the business and guide the company as it enters its third decade of operation.

He is an accomplished executive with 25 years of experience in the cybersecurity industry. Prior to joining Mimecast, Marc was the CEO of Devo Technology, a cloud-based logging platform that he led through an intense growth phase where they raised $350M and tripled revenues. He also spent time as COO at LogMeIn, and was GM /CEO of IBM Security, an IBM Business Unit that he co-founded. Under his leadership, IBM Security grew to 8,000 employees and $2.5 billion in revenue.

Marc is a curious and committed leader that puts Mimecast’s 2,200+ employees first and works alongside them to ensure customer organizations can work protected. He was born in the Netherlands and currently resides in the Boston-area with his wife and three daughters. He holds an MBA from The Wharton School of the University of Pennsylvania and obtained a B.A. from Bowdoin College.