The Leader in Mobile Security & Threat Defense

Setting the pace in Enterprise Mobile Security

Enabling Enterprises to Embrace Mobility

United States-based Zimperium, Inc. is a global leader in mobile security, offering real-time, on-device protection against both known and unknown Android and iOS threats. The Zimperium platform leverages our award-winning machine learning-based engine, z9, to protect mobile data, apps and sessions against device compromises, network attacks and malicious apps. To date, z9 has detected 100% of zero-day mobile exploits without requiring an update or suffering from the delays and limitations of cloud-based detection—something no other mobile security provider can claim.

Zimperium, Inc. is a global company with hundreds of customers and employees around the world. Our customers include enterprises of all sizes, large federal and local government agencies, leading mobile operators and major OEM partners.

protection Revolutionary enterprise mobile security solution optimized for iOS and Android devices
defense engine Patent pending on-device, behavioral defense engine transforms BYOD from a threat to an advantage
security experts Leading mobile security experts and researchers

Management Team

Zimperium's leadership team includes key industry veterans and thought leaders in mobile security.

Shridhar Mittal CEO

Shridhar is the CEO of Zimperium. Previously he was the GM of the Application Delivery business unit at CA Technologies (CA), where he was responsible for creating the DevOps vision and establishing CA as a leader in the high-growth space. At CA, Shridhar ran a global organization and led the acquisition of Nolio.

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Tim Barker Chief Financial Officer

Tim brings more than two decades of experience developing and managing financial organizations for high growth businesses. At Zimperium, he is responsible for financial policies, business plans and facilitating new financings.

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Nitin Bhatia Chief Customer Officer

Nitin brings over 30 years’ experience, 19 at Microsoft, developing enterprise and cloud software serving global customers in several different industries. At Zimperium, Nitin is focused on delivering high value and successful outcomes for customers through the adoption of Zimperium’s industry leading mobile security solutions.

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Michael Callahan Chief Marketing Officer

Michael brings 25 years of sales and marketing experience in the enterprise and security industries. At Zimperium, he leads all aspects of Zimperium’s marketing, including branding, press and analyst relations, field and channel marketing, product marketing, demand generation and messaging.

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Eric Grotefeld Chief Revenue Officer

For over 25 years, Eric has been creating new market opportunities with transformational technologies and scaling highly effective organizations that care deeply about customer success. Eric leads all aspects of Zimperium’s global go-to-market growth and customer engagement initiatives.

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John Michelsen Chief Technology Officer

John has invested himself in helping enterprise customers push the leading edge of technology transformation to deliver on business outcomes, and is a highly respected technologist who moves others to action. With 12 patents awarded or in process and market-leading inventions, John is a factory of innovation.

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Jon Paterson Chief Strategy Officer

For over 20 years, Jon has led global field engineering and product teams in major security companies like McAfee. At Zimperium, he is responsible for pre-sales execution, sales enablement and strategic technology partnerships.

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Esteban Pellegrino Chief Scientist

Este is a our chief scientist responsible for leading our groundbreaking efforts on machine learning and artificial intelligence in our z9 mobile security engine.

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Madhav Sonthalia Chief Product Officer

Madhav brings more than 20 years of experience building and delivering enterprise cyber security products for companies such as Optiv, iSIGHT security (acquired by FireEye), Symantec, Cisco Systems, NetApp, and McAfee. Madhav also co-founded 2 other startups and led them to successful exits. At Zimperium, Madhav will lead all aspects of product development, including product management, engineering and operations.

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Akhil Bhutani SVP, Strategic Business Development, GM - Emerging Markets Business

Akhil is a results oriented and execution focused leader with 25+ years of diverse experience in Corp Strategy, Strategic Partnership building, Enterprise Software Sales and Business Management.

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JT Keating VP, Product Strategy

JT has brought software and mobile communications solutions to market for 25 years. Being passionate about security, he helped define and create multiple innovative approaches including application whitelisting at CoreTrace (acquired by Lumension).

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Gary Bradt VP, U.S. Public Sector

As vice president of U.S. Public Sector at Zimperium, Gary Bradt is responsible for leading a team of professionals serving federal, Intel, state and local governments, and education customers across the United States.

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Board of Directors

Zuk Avraham Zimperium
Cary Davis Warburg Pincus
Mark Fernandes Sierra Ventures
Shridhar Mittal Zimperium
David Nishida SoftBank
Mark Sherman Telstra
Ashutosh Somani Warburg Pincus



Press Releases




The opportunity is to be a part of highly skilled, agile and fast-paced team with a strong focus on automation. The position offers the opportunity to participate in both CI/CD and the CloudOps aspects of Devops. The ideal candidate will have strong scripting skills and be open to taking up new challenges running highly available solutions in production with millions of connected clients.

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We are looking for a Business Development Representative to act as the liaison between our Marketing and Sales teams. Your role will be to seek new business opportunities by contacting and developing relationships with potential customers.

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The role is opportunity to be a part of a cutting-edge devops team at a leading mobile security company! We are a fast-growing company and need people who are capable of solving and implementing solutions that will deliver our scalable and reliable applications to customers faster with repetitive success.

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The Senior Software Engineer will develop, create, and modify computer applications and specialized mobile security systems software. Analyze user needs and develop software solutions. Design and customize software for client use with the aim of optimizing operational efficiency. Analyze and develop Zimperium's SaaS-based, full-stack management server.

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Zimperium is a fast growing innovative startup in the mobile security space and is looking for high-energy self-motivated pre-sales engineers in US (any location), London, Amsterdam, Bangalore and Sydney. It’s a senior position aligned with our most senior Sales Directors to lead a consistent, structured technical sales cycle.

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Zimperium is a fast growing innovative startup in the mobile security space who willing to add the bast candidates at the field of mobile security. We are seeking for confident, collaborative, and innovative Senior Back-end engineer. The best candidate will have the ability to learn quickly and the desire to be the thought leader in the fast growing, highly challenging, and very interesting mobile security market.

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Zimperium is a fast growing innovative startup in the mobile security space and is looking for incident response/forensic experts to help scale this service offering. The right candidate is a self-starter, with security experience (preferably as part of a Security Operations Center), understands networking protocols and enterprise mobility management solutions and is looking to build the next unicorn in the security space.

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Qualified candidates (no 3rd parties) should email their resume and contact information to