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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Machinify Announces Acquisition by New Mountain Capital

January 16, 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
Kathy O'Neill
Partner, Washington, DC
Amanda Griggs
Associate, New York
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
Zheng Zhou
Associate, Palo Alto
Patricia Myers
Paralegal Specialist, Colorado
Melanie Yuvienco
Paralegal Specialist, 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.

Related contacts

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
Amanda Griggs
Associate, New York
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
Zheng Zhou
Associate, Palo Alto
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
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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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
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

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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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Related contacts

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
Partner, 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

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California

Memberships and affiliations

State Bar of California