I help manage human capital. My job is to help make effective decisions during the employment life cycle and to resolve disputes arising from employment relationships.

Passions

Kiddos

Wilderness Camping

Cycling

Hoosier Basketball

Experience

Feedzai Acquires Demyst

April 22, 2025

Cooley advised Feedzai, a global leader in fraud and financial crime prevention, on its acquisition of Demyst, including Demyst’s Zonic data workflow orchestration platform, intellectual property and sophisticated data-integration capabilities.

Read more

Related contacts

Rita Sobral
Special Counsel, London
Kevin Cooper
Partner, New York
Megan Browdie
Partner, Washington, DC
Thomas Connors
Partner, Boston
Annie Froehlich
Partner, Washington, DC
Guadalupe Sampedro
Partner, London
Stella Sarma
Partner, Brussels
Jeffrey J. Tolin
Partner, New York
Ryan Vann
Partner, Chicago
Julia R. Brinton
Special Counsel, Washington, DC
David Hopkins
Special Counsel, Colorado
Katie Benvenuti
Associate, New York
Ryan Bowers
Associate, Washington, DC
Athina Gaki
Associate, Brussels
Carly E. Gibbons
Associate, Chicago
Jimmy Gilligan
Associate, Boston
Michael Gladstone
Associate, New York
Eileen Leman
Associate, Los Angeles
Shante Mays
Associate, Reston
Daniel Millard
Associate, London
Shaun (Tianjie) Wang
Associate, New York
Leanne Andrepont
Senior Trademark Paralegal
Patricia Myers
Paralegal Specialist, Colorado

Araris Biotech’s up to $1.14 Billion Acquisition by Taiho Pharmaceutical

March 17, 2025

Cooley advised Araris Biotech, a Swiss biotechnology company developing next-generation antibody-drug conjugates, on its definitive agreement to be acquired by Japan-based Taiho Pharmaceutical for up to $1.14 billion in cash.

Read more

Related contacts

Bill Roegge
Partner, New York
Kenneth Krisko
Partner, Reston
Simon Amies
Partner, London
Rita Sobral
Special Counsel, London
Stephanie Parker Palmer
Special Counsel, Reston
Michael Bergmann
Partner, Washington, DC
Brandon W. Fenn
Partner, New York
Eileen Marshall
Partner, Washington, DC
Jeremy Morrison
Partner, Washington, DC
Stella Sarma
Partner, Brussels
Ryan Vann
Partner, Chicago
Natasha Leskovsek
Of Counsel, Washington, DC
Matthew Choy
Associate, New York
Kyle Hess
Associate, New York
Katie Kaufman
Associate, Boston
Edward (Teddy) Nimetz
Associate, New York
Alexandra Paterson
Associate, London
Joseph Perry
Associate, Reston
María Álvarez Requejo Heredero
Associate, Brussels

Related Practices & Industries

Cooley Advises Special Committee of Checkpoint on Acquisition by Sun Pharma

March 9, 2025

Cooley advised the special committee of Checkpoint Therapeutics’ (Nasdaq: CKPT) board of directors in connection with Checkpoint’s definitive agreement to be acquired by Sun Pharmaceutical Industries (NSE: SUNPHARMA) for up to $416 million in cash and contingent value rights.

Read more

Related contacts

Bill Roegge
Partner, New York
Kevin Cooper
Partner, New York
Marc Recht
Partner, Boston
Wesley Dietrich
Associate, Washington, DC
Katie Benvenuti
Associate, New York
Michael Bergmann
Partner, Washington, DC
Eileen Marshall
Partner, Washington, DC
Alan W. Tamarelli
Partner, New York
Julia R. Brinton
Special Counsel, Washington, DC
Rebecca Ross
Special Counsel, Washington, DC
Stella Sarma
Partner, Brussels
Natasha Leskovsek
Of Counsel, Washington, DC
Karun Ahuja
Special Counsel, Chicago
Matthew Choy
Associate, New York
Jameson Davis
Associate, Boston
Kyle Hess
Associate, New York
Allison Kutner
Associate, New York
Breanna Qin
Associate, Palo Alto
Arda Can Tekin
Associate, New York
Ryan Vann
Partner, Chicago

Related Practices & Industries

Egnyte Announces Majority Investment From GI Partners and TA Associates

February 25, 2025

Cooley advised Egnyte, a provider of secure content collaboration and governance solutions, on its strategic growth investment from GI Partners and TA Associates.

Read more

Related contacts

Eric Jensen
Senior Counsel, Palo Alto
Sepideh Mousakhani
Partner, Palo Alto
Anne Lieberman
Partner, Santa Monica
Steve Tonsfeldt
Partner, Palo Alto
Kealan Santistevan
Associate, Palo Alto
Sangitha Palaniappa
Associate, Palo Alto
Michael Bergmann
Partner, Washington, DC
Brett De Jarnette
Partner, Palo Alto
Patrick Flanagan
Partner, New York
Todd Gluth
Partner, San Diego
Tracy Rubin
Partner, Palo Alto
Stella Sarma
Partner, Brussels
Timothy Shapiro
Partner, Palo Alto
David Silverman
Partner, New York
Ryan Vann
Partner, Chicago
Summer Wynn
Partner, San Diego
Howard Morse
Senior Counsel, Washington, DC
Sharon Connaughton
Special Counsel, Washington, DC
Rebecca Ross
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Nathan Alamillo
Associate, Santa Monica
Caitlin Breitenbruck
Associate, Seattle
Norma Chayo Dichi
Associate, Washington, DC
Queenie Chen
Associate, Palo Alto
Nikki Chang DiFederico
Associate, Palo Alto
Megan Drill
Associate, San Diego
Jeremy M. Exelbert
Associate, New York
Nathaniel Hearn Jr.
Associate, Chicago
Vicky Kandabarow
Associate, Washington, DC
Nicollette R. Kirby
Associate, Washington, DC
Allison Kutner
Associate, New York
Alexandra Leavy
Associate, New York
Emily Lee
Associate, Palo Alto
Narmada Murugan
Associate, Palo Alto
Michael Pelle
Associate, New York
Katie Stevens
Associate, Palo Alto
Rubin Waranch
Associate, Colorado
Kevin Gurley
Quantitative Analyst, New York
Brian Mitchell
Transactional Quantitative Analyst, San Diego

Related Practices & Industries

MongoDB Announces Acquisition of Voyage AI

February 24, 2025

Cooley advised MongoDB (Nasdaq: MDB), a leading database for modern applications, on its acquisition of Voyage AI, a pioneer in state-of-the-art embedding and reranking models that power next-generation artificial intelligence applications.

Read more

Related contacts

Kevin Cooper
Partner, New York
Thomas Connors
Partner, Boston
Annie Froehlich
Partner, Washington, DC
Barbara Mirza
Partner, Santa Monica
Phil Mitchell
Partner, New York
John Paul Oleksiuk
Partner, New York
Miriam Petrillo
Partner, Chicago
Jonathan Rivinus
Partner, Colorado
Ryan Vann
Partner, Chicago
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Sharon Connaughton
Special Counsel, Washington, DC
Reid Hooper
Special Counsel, Washington, DC
Dillon Martinson
Special Counsel, Washington, DC
Megan Drill
Associate, San Diego
Jimmy Gilligan
Associate, Boston
Liza Hadley
Associate, Boston
Wyatt Kernell
Associate, Colorado
Allison Kutner
Associate, New York
Caolinn Mejza
Associate, New York
Lois NaYeon Yoo
Associate, New York
Leanne Andrepont
Senior Trademark Paralegal
Jake Ironfield
Transactional Quantitative Analyst, New York

Related Practices & Industries

View more

Meet Ryan Vann

Admissions and credentials

Illinois

Rankings and accolades

Chambers USA: Labor & Employment – Illinois (2021 – 2024)

Legal 500: Labor & Employment

Illinois Super Lawyers

He is an excellent lawyer with good vision on the market risks and issues.

Chambers USA

Ryan is truly exceptional. He is incredibly responsive, practical and very helpful in discussing very difficult things.

Chambers USA