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Mimecast Announces New CEO

Mimecast Announces New CEO

Cybersecurity veteran Marc van Zadelhoff will lead as new CEO; Co-Founder and CEO Peter Bauer continues on Mimecast’s Board of Directors

Mimecast Limited, an advanced email and collaboration security company, announced the appointment of Marc van Zadelhoff as CEO, with Mimecast Co-Founder and current CEO Peter Bauer remaining a key collaborator as a member of the Board. Bauer, a key Mimecast shareholder, will continue to be an active advisor to Marc and the company.


“I’ve loved leading Mimecast from our founding in 2003 to our current position as a globally recognized, award-winning cybersecurity company. After an amazing and busy 21 years I am looking forward to pursuing my personal interests in addressing climate-change, environmental and social justice, and supporting young entrepreneurs. I am pleased to pass the leadership torch to Marc, whom I’ve known and respected for almost a decade and look forward to the company’s continued success under his leadership,” said Bauer.

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Marc van Zadelhoff joins the company with nearly 25 years in the cybersecurity space, leading a range of organizations, most notably as CEO of Devo, a cloud-native security analytics company, COO at LogMeIn, and as one of the founders of IBM Security – serving as GM / CEO of the $2.5B, 8,000-person business unit he helped found. Marc brings a unique perspective to the company, with an emphasis on creating customer value and operational excellence.

“I’m drawn to Mimecast because it protects against today’s most u***** cybersecurity threats, namely: employees collaborating in an ever more dangerous world. Peter and the team have masterfully positioned Mimecast to help solve the problem of human risk. Joining now is super exciting to me. Mimecast has strong momentum, a world-class leadership team and a proven track record of delivering innovative solutions. In the coming months I will be meeting with customers and partners, getting to know Mimecast employees, and ensuring that we continue to deliver on our promise,” said Van Zadelhoff.

“On behalf of the Board of Directors, we thank Peter for his exceptional leadership and impact to Mimecast, navigating it from a venture-backed start-up to a cloud leader in the email and collaboration cybersecurity market,” said Michail Zekkos, Board Chair. “We couldn’t be more delighted to welcome Marc as Mimecast’s new CEO to lead the company forward in this exciting product innovation journey centered around its customers, channel partners and employees. Mimecast has never been stronger and better positioned to benefit from Marc’s long and successful cybersecurity-centered track-record.”

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Marc will start his role as CEO on Monday, January 22nd.

Mimecast: Work Protected™

Since 2003, Mimecast has stopped bad things from happening to good organizations by enabling them to Work Protected. We empower more than 40,000 customers to help mitigate risk and manage complexities across a threat landscape driven by malicious cyberattacks, human error, and technology fallibility. Our advanced solutions provide the proactive threat detection, brand protection, awareness training, and data retention capabilities that evolving workplaces need today. Mimecast solutions are designed to transform email and collaboration security into the eyes and ears of organizations worldwide.

Mimecast, the Mimecast logo, and Work Protected are either registered trademarks or trademarks of Mimecast Services Limited in the United States and/or other countries.  All other third-party trademarks and logos contained in this press release are the property of their respective owners.

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