Assaf Rappaport

Rappaport is a graduate of the Israel Defense Forces’ Talpiot program and served in the intelligence units 81 and 8200; he is a veteran captain of Unit 8200.⁠[1][2][3]

He holds a B.Sc. in computer science, physics and mathematics from the Hebrew University and an M.Sc. in computer science from the Technion – Israel Institute of Technology, where his master’s adviser was Prof. Danny Raz, dean of the Technion’s computer science faculty in 2025.⁠[3][1]

He has been recognized by Cisco and Intel for content delivery network innovations.⁠[3]

After his military service Rappaport joined McKinsey & CompanyMcKinsey & CompanyMcKinsey & Company is a management consulting firm headquartered in New York, United States. It was founded in Chicago in 1926 by University of Chicago professor James O. McKinsey and, after Marvin Bower established its “professional service” principles, grew into one of the largest pure consulting firms in the world; as of October 2026 it has more than 100 offices in over 50 countries and about 40,000 employees. It has also repeatedly faced regulatory investigations and public criticism over episodes such as its work with Enron, a former leader’s insider trading case, and its consulting for opioid manufacturers.Open the full entry, where he managed several strategy-focused projects in Israel and Australia.⁠[2][3]

In 2012 Rappaport co-founded Adallom with Ami Luttwak, Yinon Costica and Roy Reznik, friends from his military service; the startup began in a small room in a Tel Aviv apartment and developed cloud-based information security technology. Rappaport was co-founder and CEO, and Adallom’s product was a cloud access security broker (CASB).⁠[2][3]

On September 8, 2015, Microsoft announced its acquisition of Adallom, whose cloud access security broker gave businesses visibility and control over access to data in cloud applications such as BoxBoxBox is an American enterprise software company founded in 2005 by Aaron Levie, Dylan Smith and others, headquartered in Redwood City, California. It provides cloud content management, file sharing, collaboration, e-signature and AI content-processing tools, and went public on the New York Stock Exchange in 2015 under the ticker BOX.Open the full entry, Dropbox, Salesforce and Office 365; the price was $320 million.⁠[4][5]

After the acquisition Rappaport and his co-founders joined Microsoft. He led Microsoft’s Cloud Security Group and served as general manager of Microsoft’s Israel R&D Center, where Luttwak was chief technology officer.⁠[6][3]

He became head of Microsoft’s Israel R&D Center at age 34 and, after four and a half years at Microsoft, left to found Wiz with his three partners.⁠[2]

In January 2020 Rappaport co-founded the cloud security company Wiz with Luttwak, Costica and Reznik and became its CEO.⁠[5]

On December 9, 2020, Wiz emerged from stealth with $100 million in Series A financing. Rappaport said in the announcement: “When our founding team was leading the Microsoft Cloud Security Group, we saw firsthand how security teams struggled with the complexity of existing approaches to securing the cloud.”⁠[5]

In February 2023 Wiz raised $300 million at a $10 billion valuation. Rappaport said in an email interview: “Cloud is the biggest transformation to InfoSec since inception, changing the way organizations deliver and ship software.”⁠[6]

In 2023 Rappaport appeared on the cover of Forbes magazine, and in 2024 Time magazine named him to its TIME100 Next list.⁠[1]

In May 2024 Wiz raised $1 billion at a $12 billion valuation. Rappaport wrote on the company blog: “I’ve said 2024 is the year of consolidation – for Wiz, and the industry at large.”⁠[7]

In 2024 Google offered to buy Wiz for $23 billion, and Wiz forwent the deal. Rappaport wrote to employees: “Although we are flattered by the offers we received, we chose to continue our path to building Wiz,” setting the goal of turning Wiz into “the best cybersecurity company in the world.”⁠[2]

On March 18, 2025, Google announced a definitive agreement to acquire Wiz for $32 billion in cash, subject to closing adjustments. The deal was the largest exit in Israel’s history and Google’s largest acquisition. At the time each of Wiz’s four founders held about 10 percent of the company.⁠[8][1][2]

On March 11, 2026, Google completed the acquisition and Wiz joined Google Cloud. Rappaport said: “Joining Google Cloud allows us to scale our mission of protecting customers wherever they operate – at machine speed.” After the closing he continued as Wiz’s CEO.⁠[9][10]

After the sale of Wiz, Rappaport expanded his private investing, often alongside his Wiz co-founders, into dozens of startups mainly in cybersecurity and artificial intelligence, and into venture funds of Cyberstarts, Sequoia CapitalSequoia CapitalSequoia Capital is a venture capital firm founded by Don Valentine in 1972, investing from the seed stage through the growth stage. Its historical investments include Apple, Cisco, Google, YouTube, Airbnb, and Stripe; in 2021 it introduced the Sequoia Capital Fund structure, which can continue to hold public securities, and in 2023 its regional businesses became independent brands and partnerships.Open the full entry, Andreessen HorowitzAndreessen HorowitzAndreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz. It invests from the seed stage through the growth stage and provides operational support to its portfolio companies.Open the full entry and Index VenturesIndex VenturesIndex Ventures is a venture capital firm founded in Geneva in 1996. It invests from seed through growth and operates across London, San Francisco and New York, supporting technology companies through a transatlantic network.Open the full entry.⁠[11]

Companies he has invested in include AnthropicAnthropicAnthropic is an artificial intelligence research and product company founded in 2021 that develops the Claude models, assistant, and tools such as Claude Code, and operates as a public benefit corporation. Dario Amodei and Daniela Amodei are its co-founders, and its research covers model safety, interpretability, and steerability.Open the full entry, DeelDeelDeel is a global payroll and human resources technology company founded in 2019, whose co-founders are Alex Bouaziz and Shuo Wang. Starting from cross-border contractor contracting and payment services, the company expanded into employer of record, global payroll, HR information, immigration, and IT device management, and has built its own infrastructure by acquiring payroll technology and service teams.Open the full entry, Torq and Irregular. He typically invests several hundred thousand dollars or less without taking part in day-to-day management, and he has invested in a pre-seed fund led by Dazz co-founder Meirav Bahat. Rappaport and his three Wiz co-founders also set up a family office to manage the proceeds of the Wiz sale and coordinate joint investments.⁠[11]

Wiz: Official website: https://www.wiz.io/ (opens in a new window).⁠[10]