Nathaniel Hearn Jr.

Associate
Full contact info

Experience

Horizon Therapeutics to Be Acquired by Amgen for Approximately $28 Billion

December 20, 2022

A Cooley team advised Horizon Therapeutics, a specialty biopharmaceutical company, on its agreement to be acquired by Amgen. The approximately $28 billion merger would represent the third-largest all-cash transaction in the pharmaceutical sector in history and the biggest healthcare deal of 2022.

 

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Barbara Borden
Partner, San Diego
Rama Padmanabhan
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Rowook Park
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Kelly Murata
Paralegal Specialist, San Francisco
Michael Tollini
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Todd Gluth
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Lindsey O'Crump
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Edmond Lay
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Peter Adams
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Dr. Fraser Brown
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Ross Eberly
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Patrick Van Eecke
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David Fletcher
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Caroline Hobson
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Alexander Israel
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Christopher Kimball
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Mischi a Marca
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Chadwick Mills
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Phil Mitchell
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Alessandra Murata
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John Paul Oleksiuk
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Michelle Garcia Schulman
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Lei Shen
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Charity Williams
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David Burns
Special Counsel, Washington, DC
Sharon Connaughton
Special Counsel, Washington, DC
Christine Graham
Special Counsel, London
Natasha Leskovsek
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Rebecca Ross
Special Counsel, Washington, DC
Stella Sarma
Special Counsel, Brussels
Matthew D. Silverman
Special Counsel, Santa Monica
Karen Tsai
Special Counsel, Washington, DC
Karun Ahuja
Associate, Chicago
Wade Andrews
Associate, San Diego
Ajay Athavale
Associate, San Francisco
Anna Caro
Associate, London
Umer Chaudhry
Associate, Washington, DC
Megan Drill
Associate, San Diego
Michael Fernando
Associate, London
Daniel Gillon
Associate, San Diego
Zack Gong
Associate, Shanghai
Ellie Seber
Partner, Santa Monica
Justin Kisner
Special Counsel, Palo Alto
Jessica Koffel
Associate, Brussels
Allison Kutner
Associate, New York
Jan Lang
Associate, Brussels
Katie Adams
Associate, Reston
Dani Nazemian
Special Counsel, San Diego
Linh Nguyen
Associate, San Diego
Allison Wettstein O’Neill
Associate, San Diego
Alexandra Paterson
Associate, London
Addison Pierce
Associate, Chicago
Bartholomäus Regenhardt
Associate, Brussels
Grant Schweikert
Special Counsel, Washington, DC
Nathaniel Hearn Jr.
Associate, Chicago
Megan Browdie
Partner, Washington, DC

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Tempus Announces $600 Million Acquisition of Ambry Genetics

November 4, 2024

Cooley advised Tempus AI (Nasdaq: TEM), a technology company advancing precision medicine through the practical application of artificial intelligence in healthcare, on its agreement to acquire Ambry Genetics, a company focusing on genetic testing that aims to improve health by understanding the relationship between genetics and disease.

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Erin J. Kirchner
Partner, Chicago
Richard E. Ginsberg
Partner, Chicago
Christina T. Roupas
Partner in Charge – Chicago, Chicago
Courtney M.W. Tygesson
Partner, Chicago
Michael Tollini
Partner, Washington, DC
Lindsey O'Crump
Associate, Washington, DC
Addison Pierce
Associate, Chicago
Ariane A. Andrade
Partner, Chicago
Steve Flores
Partner, Chicago
Todd Gluth
Partner, San Diego
Christopher Kimball
Partner, Washington, DC
Phil Mitchell
Partner, New York
Howard Morse
Partner, Washington, DC
Sonia Nath
Partner, Washington, DC
David Navetta
Partner, Colorado
Kathy O'Neill
Partner, Washington, DC
Nyron J. Persaud
Partner, New York
Aaron Pomeroy
Partner, Colorado
Dr. Madhuri Roy
Partner, Palo Alto
Michelle Garcia Schulman
Partner, Reston
Rachel Thorn
Partner, New York
Ryan Vann
Partner, Chicago
Susan Piascik Christoff
Special Counsel, Washington, DC
Son Nguyen
Special Counsel, Washington, DC
Randy Sabett
Special Counsel, Washington, DC
Stella Sarma
Special Counsel, Brussels
Grant Schweikert
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Xander Lee
Partner, Santa Monica
Mateus Kaba Aboud
Associate, Chicago
Karun Ahuja
Associate, Chicago
Tiffany Allen
Associate, Palo Alto
Elizabeth Caruso
Associate, New York
Umer Chaudhry
Associate, Washington, DC
Adrienne Beaudoin Deshmukh
Associate, Reston
Mari Dugas
Associate, Washington, DC
Carly E. Gibbons
Associate, Chicago
Jose Luis Gonzalez
Associate, Palo Alto
Charles Haley
Partner, Palo Alto
Kelley Harrington
Associate, Chicago
Nathaniel Hearn Jr.
Associate, Chicago
Kyle Hess
Associate, New York
Cameron Irwin
Associate, Chicago
Rick Jantz
Associate, Santa Monica
Patrick O. Johnson
Associate, Boston

Zenas BioPharma Announces $225 Million IPO

September 16, 2024

Cooley advised Morgan Stanley, Jefferies, Citigroup and Guggenheim Securities as the underwriters of Zenas BioPharma’s $225 million initial public offering.

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Richard Segal
Partner, New York
Denny Won
Partner, San Francisco
Div Gupta
Partner, New York
Evan Leitner
Associate, New York
Barbara Mirza
Partner, Santa Monica
Phil Mitchell
Partner, New York
Stephanie Gentile
Partner, New York
Austin Holt
Partner, Santa Monica
David Peinsipp
Partner, San Francisco
Dr. Madhuri Roy
Partner, Palo Alto
Geoffrey Spolyar
Partner, Boston
Francis Wheeler
Partner, Colorado
Rebecca Ross
Special Counsel, Washington, DC
Randy Sabett
Special Counsel, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Nathaniel Hearn Jr.
Associate, Chicago
Wyatt Kernell
Associate, Colorado
Allison Kutner
Associate, New York
Aaron Level
Associate, New York
Brenna McGuire
Associate, New York
Amanda Pacheco
Associate, Palo Alto
Jesse Schulman
Associate, Colorado
Nitasha Bennett
Patent Agent, San Diego
Jeffery Wyzykowski
Patent Agent, Washington, DC

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Yieldstreet Completes Acquisition of Cadre

January 23, 2024

Cooley advised Yieldstreet, a leading private market investing platform, on its acquisition of Cadre, an online real estate-focused investment platform that serves institutional and high net worth investors.

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Sacha Ross
Partner, New York
David Silverman
Partner, New York
Nathan Baum
Associate, New York
Danielle Gershowitz
Partner, New York
Sean Ruff
Partner, Washington, DC
Cristina Lombardi
Associate, New York
Norris Kadet
Associate, New York
Stephanie Gentile
Partner, New York
David Walsh
Partner, Reston
Paula Fleckenstein
Associate, Reston
Patrick Flanagan
Partner, New York
Stacey Song
Partner, New York
Len Jacoby
Partner, New York
Eileen Marshall
Partner, Washington, DC
Joshua Mates
Partner, San Francisco
Zachariah A. Robert
Partner, Chicago
Tiana Demas
Partner
Todd Gluth
Partner, San Diego
Lei Shen
Partner, Chicago
Sharon Connaughton
Special Counsel, Washington, DC
Stacey A. Bradford
Special Counsel, Washington, DC
Stella Sarma
Special Counsel, Brussels
Jeff Goldman
Special Counsel, Palo Alto
Kristin O'Hanlon
Special Counsel, San Francisco
Adam Fleisher
Partner, Washington, DC
Nathaniel Hearn Jr.
Associate, Chicago
Mor Agam
Associate, New York
Bomin Kim
Associate, New York
Liza Cotter
Associate, Boston
Allison Kutner
Associate, New York
Arthi Naini
Associate, New York
Steven A. Zuckerman
Associate, New York
Julie Paulino Montejo
Associate, New York
Margaret Barreto
Associate, San Francisco
Edward (Teddy) Nimetz
Associate, New York
Calvin Lee
Associate, New York
Rachel F. Katz
Associate, New York
Kristin R. Marshall
Associate, Washington, DC
Patricia Myers
Paralegal Specialist, Colorado
Loraine Torres
Paralegal Specialist, Colorado
Margie Murphy
Paralegal Specialist, New York

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MadCap Software Acquires Xyleme

January 11, 2024

Cooley advised MadCap Software, a multichannel content authoring, management and publishing solutions provider, on its acquisition of Xyleme, which offers intelligent content management for the development, control, delivery, and syndication of vital proprietary learning and development content across the enterprise.

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Alfred Browne
Partner, Boston
Kaycie L. Benesch-Rupp
Associate, Colorado
Amelia Runyan Davis
Partner, Colorado
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Partner, New York
Thomas Connors
Partner, Boston
Chris Stack
Partner, London
Francis Wheeler
Partner, Colorado
William Corcoran
Of Counsel, Boston
Ryan Montgomery
Special Counsel, Boston
Christine Graham
Special Counsel, London
Stella Sarma
Special Counsel, Brussels
Rebecca Ross
Special Counsel, Washington, DC
Heather Harrington
Special Counsel, Boston
Karen Tsai
Special Counsel, Washington, DC
Stacey A. Bradford
Special Counsel, Washington, DC
Liza Hadley
Associate, Boston
Rodrigo Huerta
Associate, Chicago
Nathaniel Hearn Jr.
Associate, Chicago
Karun Ahuja
Associate, Chicago
Margaret Barreto
Associate, San Francisco
Liza Cotter
Associate, Boston
Rick Jantz
Associate, Santa Monica
Rachel F. Katz
Associate, New York
Kafeel Azher
Associate, London
Leanne Andrepont
Senior Trademark Paralegal
Megan Boss
Senior Paralegal , Boston

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Admissions and credentials

Admitted to practice in Florida only

Not admitted to practice in Illinois

Memberships and affiliations

American Bar Association (ABA)

The Florida Bar