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Tiana M. Walden-Jarrett
Associate
Corporate
New York
twaldenjarrett@wsgr.com

D212-444-0108

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Tiana Walden-Jarrett is an associate in the New York office of Wilson Sonsini Goodrich & Rosati, where she practices corporate and securities law, including working with emerging companies and venture capital funds. Prior to joining the firm, Tiana served as associate general counsel at an incubator and venture fund where she gained valuable experience and insight into working with start-ups and venture investors. 

Experience

Tiana Walden-Jarrett is an associate in the New York office of Wilson Sonsini Goodrich & Rosati, where she practices corporate and securities law, including working with emerging companies and venture capital funds. Prior to joining the firm, Tiana served as associate general counsel at an incubator and venture fund where she gained valuable experience and insight into working with start-ups and venture investors. 

Education
  • J.D., Columbia Law School
  • B.A., Washington University in St. Louis

    With College Honors, Dean’s List (2010-2013), Ralph Bunche Scholar (2012, 2013)

Admissions
  • State Bar of New York
Credentials
Education
  • J.D., Columbia Law School
  • B.A., Washington University in St. Louis

    With College Honors, Dean’s List (2010-2013), Ralph Bunche Scholar (2012, 2013)

Admissions
  • State Bar of New York
Focus Areas
  • Corporate
  • Corporate Governance
  • Emerging Companies and Venture Capital
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Wilson Sonsini Advises PolyAI on $86 Million Series D Financing
On December 15, 2025, PolyAI, a leader in enterprise conversational AI, announced it has raised $86 million in Series D funding, co-led by Georgian, Hedosophia, and Khosla Ventures. Additional investors include NVentures, British Business Bank, Citi Ventures, Squarepoint Ventures, Sands Capital, Zendesk Ventures, and Point72 Ventures. Wilson Sonsini Goodrich & Rosati advised PolyAI on the transaction.
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Wilson Sonsini Advises 1Kosmos on $57 Million Series B
On August 12, 2025, 1Kosmos, a leader in identity proofing and passwordless authentication, announced a $57 million Series B funding round, including a $10 million line of credit from Bridge Bank. The round was led by Forgepoint Capital and Origami’s Oquirrh Ventures with participation by Craig Abod, Founder and President of Carahsoft, NextEra Energy Ventures, Gula Tech Adventures, and the 1Kosmos management team. Wilson Sonsini Goodrich & Rosati advised 1Kosmos on the transaction.
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