In the evolving world of cybersecurity, where trust defines every digital interaction, Dr. Amit Sinha, CEO of DigiCert, stands as a global beacon of innovation, integrity, and visionary leadership. A technologist, entrepreneur, and strategist, Dr. Sinha has spent over two decades shaping how enterprises secure their digital ecosystems. His journey from the classrooms of the Indian Institute of Technology (IIT) Delhi to the boardroom of DigiCert is a story of relentless pursuit of excellence and an unwavering belief in the power of digital trust.
Amit Sinha: A Journey Defined by Excellence and Purpose
From his early academic brilliance at IIT Delhi, where he graduated summa cum laude and received the President of India Gold Medal, Amit Sinha displayed an exceptional blend of intellect and innovation. His quest for deeper knowledge led him to the Massachusetts Institute of Technology (MIT), where he earned his Master’s and Ph.D. in Electrical Engineering and Computer Science. These formative years laid the foundation for a career driven by curiosity, creativity, and a commitment to solving real-world technological challenges.
But Dr. Sinha’s success story was never just about degrees or titles—it was about impact. Each step of his career reflects his ability to turn complex technologies into meaningful solutions that transform industries.
The Rise of a Global Technology Leader
Before taking the helm at DigiCert, Amit Sinha played a transformative role at Zscaler, one of the world’s leading cloud security companies. During his 12-year tenure as President, Zscaler evolved from a startup to a NASDAQ-100 powerhouse, establishing itself as a market leader in enterprise cybersecurity.
At Zscaler, Dr. Sinha oversaw global research and development, cloud operations, and customer success—ensuring that the company’s mission to make the internet a safe place for business became a global reality. His leadership was characterized by innovation, foresight, and the ability to scale technology with integrity and trust.
Today, he continues to serve as an independent Board Member at Zscaler and at DataRobot, an AI cloud platform company, while also advising several high-growth startups in cybersecurity and AI.
Amit Sinha: Engineering the Future of Digital Trust at DigiCert
When Amit Sinha joined DigiCert as CEO in October 2022, he entered an organization already synonymous with trust and credibility. Yet, under his leadership, DigiCert is rapidly moving beyond its legacy as a leading certificate authority to become the global standard of digital trust.
DigiCert protects nearly 90% of Fortune 500 companies and 98 of the 100 largest global banks, securing trillions of digital interactions daily. Under Dr. Sinha’s guidance, the company is pioneering solutions that address the complexities of the modern digital world—managing non-human identities like machines, APIs, and AI agents, while preparing enterprises for the post-quantum cryptography (PQC) era.
In a digital world where authenticity and verification define success, Dr. Sinha’s leadership is ensuring that DigiCert doesn’t just keep pace with innovation—it drives it.
A Legacy of Innovation and Intellectual Excellence
Dr. Amit Sinha’s contributions to technology extend far beyond boardrooms. He has authored more than 25 research papers, contributed to three technical books, and is the inventor of 39 U.S. patents—a testament to his commitment to continuous innovation.
Before joining Zscaler, Dr. Sinha held key positions that shaped the wireless and networking industries. As CTO at Motorola’s Enterprise Networking and Communications business, he delivered groundbreaking Wi-Fi solutions that connected people and businesses globally.
Earlier, as Co-Founder and CTO of AirDefense, he played a pivotal role in defining wireless security, leading to AirDefense’s successful acquisition by Motorola. He also co-founded Engim, a Wi-Fi semiconductor company that contributed to the early development of next-generation connectivity technologies.