Warren T. Lazarow


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Warren Lazarow, Firmwide Co-Chairman of O’Melveny’s Corporate Department, is nationally and internationally recognized as one of the market’s leading advisors to technology-focused companies and investors. Warren primarily focuses his practice on the corporate representation of public and private technology companies, venture capital and private equity firms, and investment banks. He is a boardroom-level advisor who frequently serves as outside general counsel, helping management teams, boards of directors, and investors shape and execute their business strategies, and providing experienced counsel on legal issues ranging from day-to-day corporate and regulatory matters to high-stakes strategic matters. Over the course of his career, Warren has handled more than 200 M&A transactions ranging from US$1 million to US$10 billion; more than 100 public offerings of equity, debt, and convertible securities, raising more than US$2.6 billion; and more than 1,000 private financings spanning initial seed financings, venture capital financings, growth capital financings, private equity financings, and recapitalizations.

Warren has been chosen four times for inclusion on Forbes Magazine’s prestigious “Midas List” of the technology industry’s Top 100 Dealmakers Worldwide. Law firm rankings publications, including Chambers & Partners (USA and Global guides), Legal 500, Global Counsel, IFLR, and Practical Law Company, have awarded him high rankings in listings of top lawyers for “Corporate/M&A,” “Capital Markets,” “Communications/Technology,” “Venture Capital and Emerging Companies,” and “Private Equity - Buyouts: $10 billion and above.” Legal 500, in its “Venture Capital and Emerging Companies” section, describes Warren as “highly recommended by clients in the [technology] space for his ‘truly significant experience’” and the “key person in the [industry] for all manner of corporate legal issues.” Chambers and Partners notes that Warren is “praised for his practical and intelligent advice” and that he is “particularly known for his representation of technology companies in the emerging companies space.” Numerous business and legal media outlets, including PE Hub Wire, FeedBlitz, The Deal, TechCrunch, The Daily Deal, Private Equity Law 360, Term Sheet, The Recorder, The New York Times, The Wall Street Journal, BusinessWeek, Silicon Valley Business Journal, MSNBC, VentureBeat and CNN, have quoted Warren or covered transactions on which he has worked. He has spoken on issues impacting technology companies before audiences throughout the US, Japan, China, Singapore, Indonesia, Korea, Taiwan, Israel, and Europe.



  • French
  • Hebrew

Honors & Awards


  • Brooklyn Law School Annual Alumni Association, Co-Alumni of the Year Award, 2008

Professional Recognition

  • Recognized by IFLR1000® (2019 - 2021) as a Notable Practitioner in Technology & Telecommunications and Private Equity
  • Recognized by Best Lawyers® 2021 for Venture Capital Law in Menlo Park, CA; Warren has been listed in Best Lawyers® since 2012
  • Named by The Legal 500 US to its list of “Recommended Lawyers” (2008-2020)
  • Ranked on the ICFM list of top 500 leading lawyers in the world (2015)
  • Named by California Law Business to its list of “California’s Top 25 Lawyers Under the Age of 45”
  • Named by San Jose Magazine to its list of “Top Lawyers in the Silicon Valley”
  • Named by Global Counsel to its list of “Highly Recommended Lawyers for Private Equity/Venture Capital”
  • Named by Madison Who’s Who Among Executives and Professionals to its “Honors Edition”


Bar Admissions

  • California
  • New York


  • Brooklyn Law School, J.D., 1986: Notes Editor, Brooklyn Law Review; American Jurisprudence Award in Civil Procedure; Morris Scholarship
  • Princeton University, Princeton School of Public and International Affairs, A.B., 1982: cum laude

Professional Activities


  • American Bar Association
  • New York State Bar Association
  • California Bar Association

Board of Directors

  • Chaos Prime, a venture-backed provider of an integration platform for autonomous systems
  • Zyzzyva, a non-profit dedicated to fostering a lively community around the contemporary arts in the San Francisco Bay Area

Board of Governors

  • University Cottage Club, Princeton University


  • “The SEC’s Regulation of the Financial Press: The Legal and Constitutional Implications of the Misappropriation Theory,” Brooklyn Law Review
  • “Technology M&A Case Strategies: Acquisition of Clear Shape Technologies by Cadence Design Systems,” Aspatore Books

Press Releases

O’Melveny Advises SMART Global Holdings on Entry into an Acquisition Agreement for Cree, Inc.’s LED Products Business

October 19, 2020

O’Melveny Represents Menlo Micro in US$44 Million Series B Funding

October 15, 2020

More than 40 O’Melveny Lawyers Recognized in 35+ Practices by Best Lawyers in America® 2021

August 25, 2020

O’Melveny Acts for Autotech Ventures on Digital Motors Investment

February 20, 2020

O’Melveny Advises Orkus on Acquisition by SailPoint Technologies Holdings

October 17, 2019

O’Melveny Represents Electronics For Imaging in Closing of US$1.7 Billion Acquisition by Siris Affiliate

July 25, 2019

O’Melveny Represents SMART Global Holdings in Acquisitions of Artesyn Embedded Computing and Inforce Computing

July 9, 2019

O’Melveny Represents Electronics For Imaging in Agreement to be Acquired by Affiliate of Siris for US$1.7 Billion

April 15, 2019

O’Melveny Advises Quantenna Communications on $1.07B Sale

March 27, 2019

O’Melveny Advises Gladly in Raising US$50 Million in Funding

January 30, 2019

O’Melveny Represents Helic in Sale to ANSYS

January 23, 2019

O’Melveny Advises First Light Diagnostics on Financing Round

January 16, 2019

O’Melveny Advises VMware on Purchase of Heptio

November 6, 2018

Israeli Cloud Security Firm Dome9 Turns to O’Melveny for its Sale to Cyber Security Giant Check Point

October 24, 2018

Alerts and Publications

In the News

Daily Journal: Autotech Ventures

March 3, 2020

The Deal: SailPoint Adds WestWave-Backed Orkus, OverWatchID

October 18, 2019

Law360: 3 Firms Shape US$1.7B Deal for Digital Printing Biz

April 15, 2019

The Deal: EFI Latest Multi-Billion Deal for Siris

April 15, 2019

Mergermarket: Western US has Combination of Innovation, Population and Capital for Strong 2019

February 11, 2019

Daily Journal: First Light Diagnostics

February 5, 2019

Law360: O'Melveny Helms Gladly's US$50M Series D Financing

February 1, 2019

Daily Journal: 2018 M&A Deals Broke US$4 Trillion Mark, Beating Last Year

January 8, 2019

Global Legal Chronicle: VMware’s Acquisition of Heptio

December 29, 2018

Global Legal Chronicle: Check Point® Software Technologies Ltd’s Acquisition of Dome9

December 28, 2018

Private Equity Wire: O’Melveny Advises Sapho on US $200m Sale to Citrix Systems

November 19, 2018

The Deal: VMware Hones Skills with Heptio Acquisition

November 7, 2018