Courtney M.W. Tygesson

Partner
Full contact info

I dive into the trenches with clients, building relationships that transcend the deal or project we’re working on – I want them to feel like we’re more than just outside counsel, but a true extension of their team.

Experience

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.

Read more

Related contacts

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

Alto Neuroscience Announces $147.9 Million IPO

February 6, 2024

Cooley advised Alto Neuroscience, a company redefining psychiatry by leveraging individuals’ neurobiology to develop personalized and highly effective medicines and helping patients get better faster, on its $147.9 million initial public offering.

Read more

Related contacts

Div Gupta
Partner, New York
Christina T. Roupas
Partner in Charge – Chicago, Chicago
Courtney M.W. Tygesson
Partner, Chicago
Laurie Bauer
Partner, Chicago
Nyron J. Persaud
Partner, New York
Dr. Kate Hillier
Partner, Palo Alto
Dr. Jon Cousin
Partner, Washington, DC
Eileen Marshall
Partner, Washington, DC
Geoffrey Spolyar
Partner, Boston
Stephanie Gentile
Partner, New York
Steve Flores
Partner, Chicago
Peter Adams
Partner, San Diego
Phil Mitchell
Partner, New York
Courtney Thorne
Partner, London
David Navetta
Partner, Colorado
Francis Wheeler
Partner, Colorado
Natasha Leskovsek
Of Counsel, Washington, DC
Rebecca Ross
Special Counsel, Washington, DC
Randy Sabett
Special Counsel, Washington, DC
Dani Nazemian
Special Counsel, San Diego
Katie Lapidus
Associate, Washington, DC
Trey Reilly
Associate, New York
Adam Bloom
Associate, Chicago
David D. Suh
Associate
Dionne A. Thomas
Associate, San Diego
Megan E. Bowles
Associate, Chicago
Mor Agam
Associate, New York
Nat Sherrick
Associate, Washington, DC
Edmond Lay
Associate, San Diego
Addison Pierce
Associate, Chicago
Calvin Lee
Associate, New York
Andrew Nelms
Associate, San Francisco
Jason Minio
Paralegal Specialist, Boston
Jeffery Wyzykowski
Patent Agent, Washington, DC

Related Practices & Industries

Vistagen Therapeutics – $100 Million Follow-on Offering of Common Stock, Pre-Funded Warrants and Two Tranches of Common Stock Warrants

October 4, 2023

Cooley advised the underwriters in Vistagen Therapeutics’ $100 million follow-on offering of common stock, pre-funded warrants, and two tranches of common stock warrants, with Jefferies, Stifel and William Blair acting as lead book-running managers. Vistagen Therapeutics is a late clinical-stage biopharmaceutical company aiming to transform the treatment landscape for individuals living with anxiety, depression and other central nervous system disorders. Partners Denny Won, Charlie Kim and Courtney Tygesson led the Cooley team.

Related contacts

Denny Won
Partner, San Francisco
Charlie Kim
Partner, San Diego
Courtney M.W. Tygesson
Partner, Chicago
Christine Turner
Associate, Colorado
Jesse Schulman
Associate, Colorado

Related Practices & Industries

Vivid Seats - $128 Million Follow-on Offering

May 17, 2023

Cooley advised the underwriters in Vivid Seats’ $128 million follow-on offering. Vivid Seats is an online ticket marketplace connecting fans to live events and artists. As the official ticketing partner of brands in the entertainment industry providing tickets for sports, concerts, theaters and comedy, Vivid Seats operates in two segments – marketplace and resale. Lawyers Christina Roupas, Courtney Tygesson, Grady Chang, Sam Paullin, Leah Duncan and Adam Bloom led the Cooley team.

Related contacts

Christina T. Roupas
Partner in Charge – Chicago, Chicago
Courtney M.W. Tygesson
Partner, Chicago
Grady Chang
Associate, Santa Monica
Samuel Paullin
Associate, Chicago
Leah Duncan
Associate, Chicago
Adam Bloom
Associate, Chicago

Related Practices & Industries

Lavoro to Become Publicly Traded Through Business Combination With TPB Acquisition Corporation I

April 24, 2023

Cooley advised TPB Acquisition Corporation I, a special purpose acquisition company sponsored by The Production Board, in its business combination agreement that will result in Lavoro Limited, a leading agricultural inputs retailer in Latin America, becoming a US publicly listed company with an implied initial enterprise value of approximately $1.2 billion.

Read more

Related contacts

Garth Angelo Osterman
Partner, San Francisco
Rachel Proffitt
Partner and Chief Executive Officer, San Francisco
Peter Byrne
Partner, New York
Kristin VanderPas
Partner, San Francisco
Michelle Peleg
Associate, San Francisco
Sarah Curry
Associate, New York
Jesse Schulman
Associate, Colorado
Wesley Dietrich
Associate, Washington, DC
Aaron Pomeroy
Partner, Colorado
Courtney M.W. Tygesson
Partner, Chicago
Todd Gluth
Partner, San Diego
Calvin Lee
Associate, New York
Rick Jantz
Associate, Santa Monica
Jill Simon
Senior Paralegal, New York

Related Practices & Industries

View more
Courtney Tygesson looking into camera

Meet Courtney Tygesson

Admissions and credentials

Illinois

Minnesota

Rankings and accolades

Best Lawyers: Ones to Watch, Corporate Law (2021)

Super Lawyers: Illinois Rising Star (2019)

Leading Lawyers Network: Emerging Lawyer (2017)