About Sonia

Sonia is chair of Cooley’s global life sciences and healthcare regulatory practice group. She has deep experience in matters involving the US Food and Drug Administration (FDA). Sonia has been recognized in Chambers and The Legal 500, and was shortlisted for the LMG Life Sciences Regulatory Attorney of the Year (Medical Devices) in 2022, 2023 and 2024. Sonia draws on her nearly 12-year career at the FDA’s Office of the Chief Counsel, where she served as a litigation and enforcement attorney, to help clients with litigation, investigations, regulatory counseling, and transactional matters involving the laws and regulations enforced by the FDA.

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Passions

Tennis

Travel

Hiking/rock climbing

Running (marathons/half-marathons)

Music

Experience

Caris Life Sciences Announces $494 Million IPO

Caris Life Sciences Announces $494 Million IPO

June 20, 2025

Cooley advised the underwriters of Caris Life Sciences, a patient-centric, next-generation artificial intelligence techbio company and precision medicine pioneer, in connection with Caris’ $494 million initial public offering (IPO).

Related contacts

Eric Blanchard
Partner, Boston
Div Gupta
Partner, New York
Charlie Kim
Partner, San Diego
Minkyu Park
Special Counsel, New York
Mark Ballantyne
Partner, Reston
Ariane A. Andrade
Partner, Chicago
Shamis Beckley
Partner, Boston
Caitlin Courtney
Partner, Palo Alto
Annie Froehlich
Partner, Washington, DC
Daniel Grooms
Partner, Washington, DC
Jonie Ing Kondracki
Partner, San Francisco
Phil Mitchell
Partner, New York
Sonia Nath
Partner, Washington, DC
Gerard O'Shea
Partner, New York
Tracy Rubin
Partner, Palo Alto
Francis Wheeler
Senior Counsel, Colorado
Son Nguyen
Special Counsel, Washington, DC
Randy Sabett
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
William Corcoran
Of Counsel, Boston
Natasha Leskovsek
Of Counsel, Washington, DC
Trevor Bossi
Associate, Boston
Cara Buchicchio
Associate, New York
Eric J. Delgado
Associate, New York
Matthew Iannone
Associate, New York
Wyatt Kernell
Associate, Colorado
Allison Kutner
Associate, New York
Calvin Lee
Associate, New York
Amiti C. Rothstein
Associate, New York
Dr. Jason Valentine
Associate, Washington, DC
Margaux Arntson
Associate

Related Practices & Industries

Capital Markets
Life Sciences
Healthcare
Biotechnology
Technology
Artificial Intelligence
Life Sciences and Healthcare Regulatory
Cyber/Data/Privacy
Labor and Employment
Tax
Commercial Litigation
CFIUS
Patent Counseling and Prosecution

Poppi Announces $1.95 Billion Sale to PepsiCo

Poppi Announces $1.95 Billion Sale to PepsiCo

March 17, 2025

Cooley advised VNGR Beverage (doing business as poppi), a fast-growing prebiotic soda brand, on its acquisition by PepsiCo (Nasdaq: PEP) for $1.95 billion, including an additional potential earnout consideration subject to the achievement of certain performance milestones within a specified period after closing.

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Related contacts

Nick Davis
Partner in Charge – Seattle, Seattle
Erin J. Kirchner
Partner, Chicago
Caitlin Breitenbruck
Associate, Seattle
Pat O'Connell
Associate, New York
Elaine Huang
Associate, Palo Alto
Colleen Badgley
Partner, Seattle
Willy Cowles
Associate, Seattle
Megan Browdie
Partner, Washington, DC
Jonathan Rivinus
Partner, Colorado
Keith Berets
Partner, Colorado
Michael Bergmann
Partner, Washington, DC
Megan Donohue
Partner, San Diego
Michelle Doolin
Partner, San Diego
Ross Eberly
Partner, Santa Monica
Alan Hambelton
Partner, Seattle
Ryan Montgomery
Partner, Boston
Sonia Nath
Partner, Washington, DC
Leo Spicer-Phelps
Partner, London
Kyle Wong
Partner, San Francisco
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Bryan Berman
Special Counsel, Colorado
Andrew Epstein
Special Counsel, Seattle
Rebecca Evanson
Special Counsel, Colorado
Peter Burns
Of Counsel, Palo Alto
Lucy Bauer
Associate, Seattle
Mari Dugas
Associate, Washington, DC
Alexander Ellebracht
Associate, Palo Alto
Auguste Humphries
Associate, Washington, DC
Katie Kaufman
Associate, Boston
Eileen Leman
Associate, Los Angeles
Michael Pelle
Associate, New York
Vivienne Pismarov
Associate, San Diego
Rubin Waranch
Associate, Colorado

Related Practices & Industries

Mergers and Acquisitions
Food and Beverage
Emerging Companies
Technology Transactions
Tax
Compensation and Benefits
Antitrust and Competition
Commercial Litigation
Cyber/Data/Privacy
Labor and Employment
Debt Finance
Life Sciences and Healthcare Regulatory
Capital Markets

Nuvation Bio Announces up to $250 Million Nondilutive Financings From Sagard Healthcare Partners

Nuvation Bio Announces up to $250 Million Nondilutive Financings From Sagard Healthcare Partners

February 18, 2025

Cooley advised Nuvation Bio (NYSE: NUVB), a global biopharmaceutical company tackling some of the greatest unmet needs in oncology, on its nondilutive financings of up to $250 million with Sagard Healthcare Partners.

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Related contacts

Mischi a Marca
Partner, San Francisco
Addison Pierce
Partner, Chicago
Shimeng Cheng
Special Counsel, San Francisco
Kenneth Guernsey
Senior Counsel , San Francisco
Rodrigo Huerta
Associate, Chicago
Charles A. Watkins II
Associate, Santa Monica
Dr. Jon Cousin
Partner, Washington, DC
Christophe Beauduin
Partner, New York
Sonia Nath
Partner, Washington, DC
Aaron Pomeroy
Partner, Colorado
Eileen Marshall
Partner, Washington, DC
Michael Neumeister
Partner, Los Angeles
Francis Wheeler
Senior Counsel, Colorado
Stacey A. Bradford
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Melissa H. Boyd
Associate, San Francisco
Cara Buchicchio
Associate, New York
Jameson Davis
Associate, Boston
Auguste Humphries
Associate, Washington, DC
Rick Jantz
Associate, Santa Monica
Allison Kutner
Associate, New York
Shelby Saunders
Associate, New York
Dr. Jason Valentine
Associate, Washington, DC
Jennifer Fitzpatrick
Paralegal Specialist, Washington, DC
Yiming Liu
Partner in Charge – Shanghai, Shanghai

Related Practices & Industries

Debt Finance
Healthcare
Life Sciences
Patent Counseling and Prosecution
Life Sciences and Healthcare Regulatory
CooleyREG
Tax
Business Restructuring
Life Sciences Corporate Partnering and Licensing
Cyber/Data/Privacy
Compensation and Benefits
CFIUS

Tempus Announces $600 Million Acquisition of Ambry Genetics

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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Related contacts

Erin J. Kirchner
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
Partner, 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
Senior Counsel, Washington, DC
Sonia Nath
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
Of counsel, 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
Partner, 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
Special Counsel, Chicago
Tiffany Allen
Associate, Palo Alto
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
David H. Zhou
Associate, Palo Alto

Summer Fridays Announces Strategic Investment From TSG Consumer Partners

Summer Fridays Announces Strategic Investment From TSG Consumer Partners

July 25, 2024

Cooley advised Summer Fridays – a clean, premium skincare and hybrid makeup brand – on its strategic growth investment from TSG Consumer Partners, a top private equity firm.

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Related contacts

David Silverman
Partner, New York
Polina A. Demina
Special Counsel, New York
Jeewon Lee
Associate, New York
Megan Browdie
Partner, Washington, DC
Steven M. Dunst
Partner, Santa Monica
Stephanie Gentile
Partner, New York
Len Jacoby
Partner, New York
Joshua Mates
Partner, San Francisco
Alessandra Murata
Partner, Palo Alto
Sonia Nath
Partner, Washington, DC
Dave Young
Partner, Santa Monica
Sharon Connaughton
Special Counsel, Washington, DC
Stella Sarma
Partner, Brussels
Sharon Davidov
Associate, New York
Michelle Liskanich
Associate, Santa Monica
Athina Gaki
Associate, Brussels
Tony P. Guan
Associate, Santa Monica
Kelley Harrington
Associate, Chicago
Bomin Kim
Associate, New York
Calvin Lee
Associate, New York
Arthi Naini
Associate, New York
Rubin Waranch
Associate, Colorado

Related Practices & Industries

Private Equity
Mergers and Acquisitions
Retail and Consumer Products
Technology Transactions
Tax
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Admissions and credentials

District of Columbia

Maryland

Rankings and accolades

Chambers USA: Healthcare: Pharmaceutical/Medical Products Regulatory – District of Columbia (2023 – 2025)

LMG Life Sciences Americas Awards: Regulatory Attorney of the Year: FDA Medical Device (shortlist) (2022 – 2024)

The Legal 500: Dispute Resolution: Corporate Investigations and White-Collar Criminal Defense: Advice to Corporates (2022)

The Legal 500: Dispute Resolution: Product Liability, Mass Tort and Class Action – Defense: Consumer Products (2022 – 2024)

Memberships and affiliations

BIO’s Emerging Companies Section, governing board member

Food and Drug Law Institute, Enforcement, Litigation, and Compliance Conference Committee

Sonia is a rock star. She is super smart with excellent judgment and can handle anything.

Chambers USA Guide 2025