Ranjan Singh
Chief Executive Officer, Mimecast · United Kingdom
Ranjan Singh is the CEO of Mimecast (MIME). Singh is based in the United Kingdom.
Ranjan Singh joined Mimecast as Chief Product & Technology Officer in April 2025 and was promoted to CEO in June 2026. He brings over two decades of experience in product innovation and cybersecurity. Prior to Mimecast, he spent more than three years as Chief Product Officer at Kaseya, managing a portfolio of over 40 SaaS products and contributing to $1.5 billion in revenue, and previously held product leadership roles at Crestron Electronics and IPC Systems.
Recent developments
AI summary of recent coverageRecent coverage has focused on Ranjan Singh's appointment as Mimecast CEO, with emphasis on Singh's strategic priorities around combating shadow AI as a key opportunity for partners and driving AI-driven growth. Additional coverage has highlighted Mimecast's product developments in enterprise email security and the company's research on emerging threats such as AI-powered phishing and ClickFix attacks.
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Our coverage
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Ranjan Singh: FAQ
- Who is Ranjan Singh?
- Ranjan Singh is the Chief Executive Officer of Mimecast, based in United Kingdom.
- What company does Ranjan Singh lead?
- Ranjan Singh is CEO of Mimecast.