Discover the detailed record of transactions filed by Giancarlo Charles H, Chairman and Chief Executive Officer. Officer active across 3 companies, notably Zscaler, Inc.. Aggregated, 45 reports have been published. Total volume traded: €4.9m. The latest transaction was disclosed on 20 December 2025 — Retenue fiscale. Regulator: SEC (Form 4). The full history is openly available.
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Charles H. Giancarlo is an अमेरिकी technology executive and investor best known for serving as Chairman and Chief Executive Officer of Pure Storage, Inc., a role he has held since August 2017. He had already been a member of Pure Storage’s board of directors since November 2016 before becoming CEO, giving him direct exposure to the company’s strategy, operations, and governance prior to taking the top job. His career spans more than three decades across semiconductors, communications, and networking, and he is widely associated with helping bring major next-generation technologies to market. ([zscaler.com](https://www.zscaler.com/es/company/leadership/charles-giancarlo?utm_source=openai)) Before Pure Storage, Giancarlo spent 14 years at Cisco Systems, where he served as Vice President and Chief Development Officer. In that period, he played a key role in Cisco’s product and technology development and is credited by company biographies with helping shape products that accounted for a substantial share of Cisco’s revenue. That experience established him as a technology operator with deep knowledge of networking, platform strategy, and large-scale commercial execution. He later served as a Managing Director and head of value creation at Silver Lake Partners, where he brought an investor’s lens to technology businesses and portfolio development. ([zscaler.com](https://www.zscaler.com/es/company/leadership/charles-giancarlo?utm_source=openai)) Giancarlo also has significant public-company board experience, including service on the boards of Arista Networks and Zscaler, as well as prior board roles at Accenture, ServiceNow, Skype, Netflix, Imperva, and Blue Jeans Network. This board history reflects a broad governance profile across enterprise software, cloud infrastructure, cybersecurity, and consumer internet platforms. His reputation is especially strong in networking, security, enterprise systems, and long-term value creation, making him a notable figure in U.S. public-market technology governance. ([zscaler.com](https://www.zscaler.com/es/company/leadership/charles-giancarlo?utm_source=openai)) For SEO purposes, Charles Giancarlo can be characterized as a seasoned technology leader whose background combines engineering, corporate leadership, private equity, and board service. His notable achievements include guiding product innovation at Cisco, advising and investing in high-growth technology companies at Silver Lake, and leading Pure Storage as CEO. Across these roles, he has built a profile centered on innovation, operational discipline, and strategic governance in the U.S. technology sector.