Zhou Hongyi is a Chinese businessman, the self-made billionaire Founder, Chairman, and CEO of Qihoo 360 (SHA: 601360), a major global provider of Internet security, web browser, and search services. His career is rooted in technology, software development, and entrepreneurial disruption.

Zhou holds a B.S. in Computer Management and an M.S. in System Engineering from Xi'an Jiaotong University. His philosophical approach centers on technological excellence, disruption (pioneering the free-to-use internet security model), and long-term commitment to digital defense. His career is marked by high-profile corporate feuds (notably with Tencent).

• Qihoo 360 (Founder & Chairman/CEO): The core publicly traded asset, a major provider of Internet security software, web browser, and search services in China.
• Technology Pioneer: His success is built on scale software development and dominating the domestic market for free antivirus and security software.
• Academic Background: He holds an M.S. in System Engineering.
• Investment Strategy: His philosophy is rooted in long-term investment in software IP and platform technology and leveraging the massive Chinese consumer internet boom.

Zhou Hongyi's strategic genius was his commitment to the freemium model. He founded Qihoo 360 in 2005, successfully building it into a national powerhouse by offering free antivirus and security software to consumers, monetizing through advertising and other services. His structural contribution is immense: pioneering the modern freemium digital security model that transformed the Chinese consumer software sector. The company was listed on the NYSE before going private and re-listing on the SHA.

His career is marked by fierce corporate battles (the 3Q War with Tencent over software compatibility and market dominance). He remains Chairman and CEO, guiding the company's continuous expansion and technological modernization. His wealth is secured by the colossal, long-term, stable profitability of the global technology and software sector.

Zhou Hongyi's social impact stems from Qihoo 360's role in providing essential, free digital security software to hundreds of millions of Chinese consumers, significantly improving national digital safety and access. His personal philanthropy supports various educational and community initiatives, often focused on technology access and cybersecurity education.

His personal philanthropy supports various community and educational initiatives.

Zhou Hongyi maintains the professional, high-energy style of a technology executive. His attire is consistently formal and high-quality, favoring tailored suits. His aesthetic reflects serious authority and stability, typical of a pioneer in the specialized software sector.

Residing in Beijing, China, his luxury is the immense security and financial reward derived from his multi-billion dollar fortune. His life is dedicated to technology innovation, strategic management, and software architecture.