Silicon Valley + 1.650.687.4164

Hossein Sajjadi advises national and international clients on mergers and acquisitions, corporate governance, and general corporate matters. He also provides strategic counseling to emerging growth companies and assists venture capital and private equity firms in technology transactions, primarily focused on artificial intelligence, autonomous vehicles, virtual and augmented reality, and other cutting-edge technologies.

His experience includes representing the largest venture fund at the time in its investment in the highest valued unicorn (privately owned start-up valued at more than $1 billion) at the time. He also has experience representing companies in a variety of cross-border transactions with China.

During law school, Hossein spent time in-house at Intuit (Nasdaq: INTU), Mindjet Corporation (acquired by Corel Corporation in 2016), and Spigit, Inc. (acquired by Planview, Inc. in 2018). Hossein was also an honors legal intern at the San Francisco Regional Office of Enforcement of the U.S. Securities and Exchange Commission and studied unicorns at Stanford's Graduate School of Business where he conducted valuation-based venture capital research with Professor Ilya Strebulaev, the David S. Lobel Professor of Private Equity and Professor of Finance.

Hossein maintains an active pro bono practice and is an active member of the Firm's Diversity Committee in the Silicon Valley Office.


  • QuickLogic completes public offering of Common StockJones Day represented QuickLogic Corporation, a developer of ultra-low power multi-core voice enabled SoCs, embedded FPGA IP, and Endpoint AI solutions, in connection with the underwritten public offering of Common Stock.
  • Five9 acquires Virtual Observer, formerly known as CSIJones Day advised Five9, Inc. in its acquisition of Virtual Observer, formerly known as CSI, an innovative provider of cloud-based Workforce Optimization (WFO), also known as Workforce Engagement Management (WEM), solutions.
  • Western Digital sells ActiveScale™ business to QuantumJones Day advised Western Digital Corporation's subsidiary Western Digital Technologies, Inc. in the sale of its ActiveScale™ business to Quantum Corporation.
  • Western Digital sells IntelliFlash™ business to DataDirect Networks, Inc. (DDN®)Jones Day advised Western Digital Corp. in the sale of its IntelliFlash™ business to DataDirect Networks, Inc. (DDN®), a global leader in artificial intelligence (AI) and multi-cloud data management.
  • Five9 acquires Whendu's iPaaS platformJones Day advised Five9, Inc., the leading provider of the intelligent cloud contact center, in its acquisition of Whendu’s iPaaS platform, which is designed for the specific needs of the contact center to help accelerate migration to the cloud by making it easier for enterprises to integrate with their existing environment and carry forward customized business processes.
  • ABB sells Intelligent Mining Solutions (IMS) to DatamineJones Day advised ABB Ltd. in the sale of its Intelligent Mining Solutions (IMS) business to Datamine, a wholly owned subsidiary of Constellation Software.
  • Chroma acquires 20.5% of CamtekJones Day advised Chroma ATE Inc., a leading Taiwanese corporation, in its acquisition of approximately 20.5% of the shares of Camtek Ltd. at $9.50 per share.
  • Drive.ai sold to Apple Inc.Jones Day advised Drive.ai in the sale of substantially all of its assets to Apple Inc.
  • KKR completes investment in OneStream SoftwareJones Day advised Kohlberg Kravis & Roberts & Co. L.P. in connection with its affiliated funds' investment in OneStream Software LLC, a leading provider of cloud or on-premise Corporate Performance Management solutions for mid-sized to large enterprises, in a transaction that values the privately held company at more than US$1 billion.
  • SoftBank Vision Fund acquires minority stake in ByteDanceJones Day represented SoftBank Vision Fund in connection with its acquisition of a minority stake in ByteDance Ltd., a China-based technology company.
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