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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.

While attending law school, Hossein interned in-house at a late-stage technology start-up, Mindjet Corporation, and at a public technology company, Intuit, and served as outside counsel to start-up clients through Santa Clara University's Entrepreneurs' Law Clinic. Hossein's law school litigation experience includes serving as an extern to Justice Goodwin H. Liu at the Supreme Court of California and to Judge Socrates P. Manoukian at the Santa Clara County Superior Court, serving as an honors legal intern for the San Francisco Regional Office of Enforcement of the U.S. Securities and Exchange Commission (SEC), and representing low-income clients on debtors' and creditors' rights issues as a law clerk for the Katharine and George Alexander Community Law Center.

In addition, Hossein was a legal researcher at the Stanford 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.


  • Western Digital sold 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.
  • Five9 to acquire Virtual Observer, formerly known as CSIJones Day is advising 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 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 percent of CamtekJones Day advised Chroma ATE Inc., a leading Taiwanese corporation, in its acquisition of approximately 20.5 percent 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 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 $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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