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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Experience

Baseten Announces $75 Million Series C

February 19, 2025

Cooley advised Baseten, the top inference platform for artificial intelligence (AI)-native products, on its $75 million Series C financing, bringing its total funding to $135 million.

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Josh Seidenfeld
Partner, Palo Alto
Daniel Y. Lee
Associate, Palo Alto
Celine Koh
Associate, Palo Alto
Kristina Krasnikova
Associate, Palo Alto
Danielle Wheeler
Associate, Colorado
Karen Tsai
Special Counsel, Washington, DC
Rebecca Ross
Special Counsel, Washington, DC
Andrew Epstein
Special Counsel, Seattle
John Sellers
Senior Counsel, Palo Alto
Mari Dugas
Associate, Washington, DC
Christy Fairlie
Paralegal Specialist, Reston
Melody Van Horn
Senior Paralegal, Palo Alto
Brian Mitchell
Transactional Quantitative Analyst, San Diego

Related Practices & Industries

Clay Announces $40 Million Preemptive Series B, $1.25 Billion Valuation

January 22, 2025

Cooley represented Clay, a company that helps go-to-market teams up-level their data enrichment and automate personalized outreach, in its $40 million preemptive Series B expansion funding at a $1.25 billion valuation.

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Related contacts

Josh Seidenfeld
Partner, Palo Alto
Danielle Gershowitz
Partner, New York
Tommi McCarthy
Associate, New York
Pam Shu
Associate, New York
Sharon Connaughton
Special Counsel, Washington, DC
Calvin Lee
Associate, New York
Emily Lee
Associate, Palo Alto
Brian Mitchell
Transactional Quantitative Analyst, San Diego

Related Practices & Industries

Machinify Announces Acquisition by New Mountain Capital

January 10, 2025

Cooley advised Machinify, a provider of artificial intelligence-powered software transforming healthcare payments, on its definitive agreement to be acquired by New Mountain Capital.

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Josh Seidenfeld
Partner, Palo Alto
Garth Angelo Osterman
Partner, San Francisco
Maureen Nagle
Special Counsel, Washington, DC
Nicolas Francis
Associate, San Francisco
Katie Rosati
Associate, Seattle
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
David Dalton
Associate, Santa Monica
Steve Flores
Partner, Chicago
Sean O'Neill
Partner, Santa Monica
Alexis Finkelberg Bortniker
Partner, San Diego
Ross Eberly
Partner, Santa Monica
Charles Haley
Partner, Palo Alto
Ryan Montgomery
Partner, Boston
Jonathan Rivinus
Partner, Colorado
Mark Medearis
Senior Counsel, Palo Alto
Sharon Connaughton
Special Counsel, Washington, DC
Alexander Ellebracht
Associate, Palo Alto
Josh Himmelstern
Associate, San Diego
Jessica Li
Associate, Palo Alto
Alison L. Tong
Associate, San Francisco
Novak Topalovic
Associate, San Diego
Rubin Waranch
Associate, Colorado
Raquel Zepeda
Associate, San Francisco
Patricia Myers
Paralegal Specialist, Colorado
Melanie Yuvienco
Paralegal Specialist, Palo Alto
Brian Mitchell
Transactional Quantitative Analyst, San Diego

Related Practices & Industries

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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Related contacts

Josh Seidenfeld
Partner, Palo Alto
John Sellers
Senior Counsel, 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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Related contacts

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
Senior Counsel, Palo Alto
Shannon MacMichael
Special Counsel, Washington, DC
Julia Gage
Associate, San Francisco
Emily Lee
Associate, Palo Alto
Megan Stallworth
Associate, Palo Alto
Rubin Waranch
Associate, Colorado
Jake Ironfield
Transactional Quantitative Analyst, New York

Related Practices & Industries

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Admissions and credentials

California

Memberships and affiliations

The State Bar of California