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Daniel Glazer
Partner
Corporate
London

D44-20-39634051

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  • The Market-Leading U.S. Expansion Group

    Daniel heads Wilson Sonsini's U.S. expansion group, advising UK/European tech and life sciences companies on raising U.S. capital and expanding their businesses into U.S. markets.

  • A Transatlantic Connector

    Daniel was honored by The American Lawyer as its first “Transatlantic Innovator of the Year” and by UK Tech News as one of London's top "International Connectors."

  • Two Decades of Representing UK and European Tech and Life Sciences Companies

    Daniel has represented UK/European-based companies as U.S. counsel for more than 20 years.

  • A Recognized Practitioner

    Daniel is consistently recognized as a leader in his field by Chambers USA.

Daniel Glazer is an American technology lawyer, strategic business advisor, and the founding partner of Wilson Sonsini Goodrich & Rosati's London office. Since the 2010 launch of the UK Government's "Tech City" initiative, Daniel has advised high-growth UK and other European technology and life sciences companies on raising capital, expanding their businesses into U.S. markets, and connecting with U.S. investors, corporates, advisors, and other stakeholders.

Daniel also leads Wilson Sonsini's U.S. expansion practice, which focuses on advising UK and other non-U.S. technology and life sciences companies through their U.S. life cycle: U.S. launch, expansion, commercial contracts, fundraising, M&A, and IPO. For more information, visit Wilson Sonsini's U.S. expansion practice page and the library of U.S. expansion and fundraising resources. 

Daniel partners with Founders Forum, Disruptive GC Network, StartupCFO, VenturesTogether, London & Partners (and its Grow London Global program), ICE List, Proud Ventures, Black Valley, SelectUSA, UK Department of Business and Trade, ScaleNL, Holland in the Valley, Scottish Development International, and similar organizations to support U.S. expansion and fundraising efforts by UK and other European companies.

Daniel is a Fellow at the British-American Project and the Royal Society of Arts, was appointed a GlobalScot trade advisor by the Scottish Government, and worked with the U.S. Department of Commerce to develop its SelectUSA Tech program supporting non-U.S. technology companies with U.S. expansion.

Daniel has been honored as The American Lawyer's "Transatlantic Innovator of the Year" and by UK Tech News as one of London's top "International Connectors." Chambers USA cited Daniel for his "very deep level of experience" and his "practical advice" supporting non-U.S. companies on U.S. matters. Daniel has acted as U.S. counsel for hundreds of UK and other European emerging growth companies and investors, as well as UK-based multinationals such as Cadbury, De Beers, O2, and Virgin Media.

 

Experience

Daniel Glazer is an American technology lawyer, strategic business advisor, and the founding partner of Wilson Sonsini Goodrich & Rosati's London office. Since the 2010 launch of the UK Government's "Tech City" initiative, Daniel has advised high-growth UK and other European technology and life sciences companies on raising capital, expanding their businesses into U.S. markets, and connecting with U.S. investors, corporates, advisors, and other stakeholders.

Daniel also leads Wilson Sonsini's U.S. expansion practice, which focuses on advising UK and other non-U.S. technology and life sciences companies through their U.S. life cycle: U.S. launch, expansion, commercial contracts, fundraising, M&A, and IPO. For more information, visit Wilson Sonsini's U.S. expansion practice page and the library of U.S. expansion and fundraising resources. 

Daniel partners with Founders Forum, Disruptive GC Network, StartupCFO, VenturesTogether, London & Partners (and its Grow London Global program), ICE List, Proud Ventures, Black Valley, SelectUSA, UK Department of Business and Trade, ScaleNL, Holland in the Valley, Scottish Development International, and similar organizations to support U.S. expansion and fundraising efforts by UK and other European companies.

Daniel is a Fellow at the British-American Project and the Royal Society of Arts, was appointed a GlobalScot trade advisor by the Scottish Government, and worked with the U.S. Department of Commerce to develop its SelectUSA Tech program supporting non-U.S. technology companies with U.S. expansion.

Daniel has been honored as The American Lawyer's "Transatlantic Innovator of the Year" and by UK Tech News as one of London's top "International Connectors." Chambers USA cited Daniel for his "very deep level of experience" and his "practical advice" supporting non-U.S. companies on U.S. matters. Daniel has acted as U.S. counsel for hundreds of UK and other European emerging growth companies and investors, as well as UK-based multinationals such as Cadbury, De Beers, O2, and Virgin Media.

 

Focus Areas
Recent Insights
Client Highlights
Firm Advises hyperexponential on Acquisition by Guidewire for up to $2.1 Billion
On October 27, 2026, Guidewire, a cloud platform for P&C insurers, announced that it entered into a definitive agreement to acquire hyperexponential, a London-based agentic platform provider of AI-native underwriting and pricing software for commercial lines P&C insurers, for a base purchase price of $1.7 billion in cash, subject to adjustments. The agreement also includes up to an additional $400 million in contingent consideration based on achievement of specified recurring revenue targets, bringing the total deal value to up to $2.1 billion and marking the transaction as the largest-ever M&A exit of a privately held, venture-backed UK technology company. hyperexponential is an existing Guidewire PartnerConnect Technology Alliance Partner and brings established trust and scale in underwriting, having powered underwriting decisions across more than $75 billion in annual commercial P&C premium for leading global insurers, reinsurers, and managing general agents. Wilson Sonsini Goodrich & Rosati advised hyperexponential on the transaction.
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Client Highlights
Wilson Sonsini Advises Xapien on $56 Million Series B
On September 11, 2026, Xapien, an AI-native due diligence platform, announced a $56 million Series B investment round led by Spectrum Equity, with continued support from existing investor YFM Equity Partners. Wilson Sonsini Goodrich & Rosati advised Xapien on the transaction.
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Recent Events
Speaking Engagements
Slush 2027 Fringe Roundtable: What Does It Take to Expand in the U.S.?
Founders ask, experts answer! Join our panel at a candid roundtable luncheon where entrepreneurs can bring their questions about raising U.S. capital, data, hiring, and connections, directly to the people who can honestly answer them. No vendor pitches, nor sales decks ... just a community that supports founders on their journey westward.
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Speaking Engagements
The CFO’s U.S. Expansion Playbook
​For a UK company, the U.S. launch is often the biggest bet the business will make, and the CFO is the one who has to plan, fund, and defend to the board of directors. This panel covers how experienced finance leaders can get it right, drawing on The CFO's Guide to U.S. Expansion. Get the free guide before the webinar here.
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