Josh Seidenfeld

Partner
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I represent high-growth technology and healthcare companies and their investors. I love simplifying legalese into actionable decisions for my clients.

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Decagon Raises $65 Million Series B

October 23, 2024

Cooley advised Decagon, an innovator in artificial intelligence (AI) customer support agents, on its $65 million Series B financing round, bringing its total amount raised to $100 million.

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Josh Seidenfeld
Partner, Palo Alto
John Sellers
Partner, Palo Alto
Yichen Liu
Associate, Palo Alto
Irene Sun
Associate, Palo Alto
Zi Ye
Associate, Palo Alto
Brian Mitchell
Transactional Quantitative Analyst, San Diego

Related Practices & Industries

ArsenalBio Closes Oversubscribed $325 Million Series C

September 4, 2024

Cooley advised Arsenal Biosciences (ArsenalBio), a clinical-stage programmable cell therapy company focused on engineering advanced chimeric antigen receptor T-cell (CAR-T) therapies for solid tumors, on the close of its oversubscribed $325 million Series C financing round.

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Josh Seidenfeld
Partner, Palo Alto
Sara Semnani
Partner, Santa Monica
Megan Browdie
Partner, Washington, DC
Annie Froehlich
Partner, Washington, DC
Dr. Kate Hillier
Partner, Palo Alto
Christopher Kimball
Partner, Washington, DC
Kevin King
Partner, Washington, DC
John Sellers
Partner, Palo Alto
Shannon MacMichael
Special Counsel, Washington, DC
Julia Gage
Associate, San Francisco
William Beom Hong
Associate, Palo Alto
Emily Lee
Associate, Palo Alto
Megan Stallworth
Associate, Palo Alto
Rubin Waranch
Associate, Colorado
Jake Ironfield
Transactional Quantitative Analyst, New York

Related Practices & Industries

DEFCON AI Announces $44 Million Seed Financing

August 20, 2024

Cooley advised DEFCON AI, an insights company that’s building a next-generation modeling, simulation and analysis tool set for the modern military environment, on its $44 million in Seed financing.

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Josh Seidenfeld
Partner, Palo Alto
Robert Warshaw
Associate, New York
David Fletcher
Partner, Washington, DC
Jim Fulton
Partner, New York
Charles Haley
Partner, Palo Alto
Christopher Kimball
Partner, Washington, DC
Jean Park
Partner, New York
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Ryan Montgomery
Special Counsel, Boston
Grant Schweikert
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Liza Cotter
Associate, Boston
Ryan Guo
Associate, New York
Norris Kadet
Associate, New York
Katharina Schwarz
Associate, New York
Jill Simon
Senior Paralegal, New York
Katie Kissner
Quantitative Analyst, San Francisco
Brandon Lefebvre
Quantitative Analyst, Boston

Related Practices & Industries

Andreessen Horowitz Leads Slingshot AI’s Seed Financing

August 20, 2024

Cooley advised Andreessen Horowitz (a16z), a Silicon Valley-based venture capital firm that backs bold entrepreneurs building the future through technology, as the lead investor in Slingshot AI’s approximately $30 million seed financing.

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Josh Seidenfeld
Partner, Palo Alto
Colleen Badgley
Partner, Seattle
Alexis Finkelberg Bortniker
Partner, San Diego
Paula Holland
Partner, London
David Navetta
Partner, Colorado
Tracy Rubin
Partner, Palo Alto
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Thomas Heiser
Associate, Palo Alto
Wyatt Kernell
Associate, Colorado
Allison Kutner
Associate, New York
Leo Spicer-Phelps
Associate, London
Nicholas Yacoubian
Associate, Palo Alto
Kevin Gurley
Quantitative Analyst, New York

Related Practices & Industries

Encord Announces 30 Million Series B

August 13, 2024

Cooley advised Encord, a data development platform for multimodal artificial intelligence, on its $30 million Series B financing.

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Related contacts

Josh Seidenfeld
Partner, Palo Alto
Lindsy Solanki
Special Counsel, Palo Alto
Meg Begur
Associate, Washington, DC
Joseph A. Kroon
Associate, Palo Alto
Christopher Kimball
Partner, Washington, DC
Jonathan Rivinus
Partner, Colorado
John Sellers
Partner, Palo Alto
Nicola Squire
Partner, London
Christine Graham
Special Counsel, London
Rebecca Ross
Special Counsel, Washington, DC
Sarah Oliai
Associate, Washington, DC
Shelby Saunders
Associate, New York
Kevin Gurley
Quantitative Analyst, New York

Related Practices & Industries

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Admissions and credentials

California

Memberships and affiliations

State Bar of California