About Xander

Xander is regularly recognized by publications such as Chambers Global and The Legal 500 as one of the top US practitioners for international tax issues. He is described by clients as “very detailed in his descriptions and his explanations, very thorough, he anticipates the types of issues we need to be aware of.” In addition, Xander is ranked highly for his domestic corporate taxation work by Chambers USA and The Legal 500 US. The Los Angeles County Bar Association’s Taxation Section selected Xander as the recipient of its 2021 Dana Latham Memorial Award for his outstanding contribution to the community and to the legal profession in the taxation field, making him the youngest practitioner to receive the prestigious award.

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Experience

2025 07 25 Inmagene

2025 07 25 Inmagene

July 25, 2025

Cooley advised Inmagene Biopharmaceuticals, a privately held, global clinical-stage biotechnology company developing novel therapeutics for immunological and inflammatory diseases, on its definitive merger agreement with Ikena Oncology (Nasdaq: IKNA).

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Lila Hope
Partner, Palo Alto
Rama Padmanabhan
Partner, San Diego
Patrick Loofbourrow
Partner, Singapore
Asa Henin
Partner, San Diego
David Silverman
Partner, New York
Lindsey O'Crump
Associate, Washington, DC
Brittany K. Wightman
Associate, San Diego
Jiqiang Lin
Associate, New York
Leina Verrier
Associate, Santa Monica
Ross Eberly
Partner, Santa Monica
Stephanie Gentile
Partner, New York
Christopher Kimball
Partner, Washington, DC
Xander Lee
Partner, Santa Monica
Phil Mitchell
Partner, New York
Howard Morse
Senior Counsel, Washington, DC
Alessandra Murata
Partner, Palo Alto
Jean Park
Partner, New York
Aaron Pomeroy
Partner, Colorado
Michelle Garcia Schulman
Partner, Reston
Ellie Seber
Partner, Santa Monica
Marty Schenker
Senior Counsel , San Francisco
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Andrew Epstein
Special Counsel, Seattle
Stella Sarma
Partner, Brussels
Karen Tsai
Special Counsel, Washington, DC
Bin Wang
Special Counsel, Palo Alto
Robert Eisenbach
Of Counsel, San Francisco
Rajdeep Roger Bains
Associate, San Diego
Julia R. Brinton
Special Counsel, Washington, DC
Adrienne Beaudoin Deshmukh
Associate, Reston
Jeremy M. Exelbert
Associate, New York
Zack Gong
Associate, Shanghai
Rick Jantz
Associate, Santa Monica
Wyatt Kernell
Associate, Colorado
Rebeca Kinslow
Associate, San Diego
Hilda Li
Associate, Hong Kong
Lunga Su
Associate, Shanghai
Novak Topalovic
Associate, San Diego
Tania Soris
Associate, New York
Monica Xu
Special Counsel, Shanghai
Sai Yarramalla
Associate, Palo Alto
Andy Zachrich
Associate, San Francisco
Patricia Myers
Paralegal Specialist, Colorado
Jake Ironfield
Transactional Quantitative Analyst, New York

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Mergers and Acquisitions
Biotechnology
Healthcare
Capital Markets

Blue Owl Capital Extends up to $500 Million in Senior Secured Credit to Madrigal Pharmaceuticals

Blue Owl Capital Extends up to $500 Million in Senior Secured Credit to Madrigal Pharmaceuticals

July 21, 2025

Cooley advised Blue Owl (NYSE: OWL), a leading asset manager redefining alternatives, on an up to $500 million term loan facility for Madrigal Pharmaceuticals (NASDAQ: MDGL), a biopharmaceutical company focused on delivering novel therapeutics for metabolic dysfunction-associated steatohepatitis.

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Michael Tollini
Partner, Washington, DC
Addison Pierce
Partner, Chicago
Dr. Jon Cousin
Partner, Washington, DC
Geoffrey Spolyar
Partner, Boston
Xander Lee
Partner, Santa Monica
Phil Mitchell
Partner, New York
Steve Flores
Partner, Chicago
Michael Neumeister
Partner, Los Angeles
Randy Sabett
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Wyatt Kernell
Associate, Colorado
Dr. Asako Kubota
Associate, Washington, DC
Allison Kutner
Associate, New York
Amanda Pacheco
Associate, Palo Alto
Charles A. Watkins II
Associate, Santa Monica
Jeffery Wyzykowski
Patent Agent, Washington, DC
Margie Murphy
Paralegal Specialist, New York

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Debt Finance
Patent Counseling and Prosecution
Life Sciences
Tax
Life Sciences and Healthcare Regulatory
Healthcare
Capital Markets
Compensation and Benefits
Trademark, Copyright and Advertising
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Harvey Announces $300 Million Series E

Harvey Announces $300 Million Series E

June 24, 2025

Cooley advised Harvey, a domain-specific artificial intelligence platform for legal and professional services, on its $300 million Series E at a $5 billion valuation.

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Matthew Bartus
Partner, San Francisco
Tara Capsuto
Partner, San Francisco
Christopher Kimball
Partner, Washington, DC
Xander Lee
Partner, Santa Monica
John Paul Oleksiuk
Partner, New York
John Sellers
Senior Counsel, Palo Alto
Sharon Connaughton
Special Counsel, Washington, DC
Rebecca Ross
Special Counsel, Washington, DC
Parker Armsby
Associate, New York
Kayla Blaker
Associate, Colorado
Dennis F. Craig II
Associate, Washington, DC
Millie Heuer
Associate, Seattle
Alice C. Hu
Associate, San Francisco
Carl Min
Associate, San Francisco
Tyler Saavedra-Buckley
Associate, San Francisco
Michael Suyat
Senior Paralegal, San Francisco
Katie Kissner
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Brian Mitchell
Transactional Quantitative Analyst, San Diego

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Artificial Intelligence
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Antitrust and Competition
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AIRO Group Holdings Closes $69 Million IPO

AIRO Group Holdings Closes $69 Million IPO

June 16, 2025

Cooley advised AIRO Group Holdings, a company specializing in advanced aerospace and defense technologies, on its $69 million initial public offering (IPO).

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Christina T. Roupas
Partner in Charge – Chicago, Chicago
Yvan-Claude Pierre
Partner, New York
Courtney M.W. Tygesson
Partner, Chicago
Grady Chang
Associate, Santa Monica
Darren DeStefano
Partner, Reston
David Fletcher
Partner, Washington, DC
Christopher Hutter
Partner, Reston
Xander Lee
Partner, Santa Monica
Joshua Mates
Partner, San Francisco
Addison Pierce
Partner, Chicago
Howard Morse
Senior Counsel, Washington, DC
Francis Wheeler
Senior Counsel, Colorado
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Karun Ahuja
Special Counsel, Chicago
Julia R. Brinton
Special Counsel, Washington, DC
Reid Hooper
Special Counsel, Washington, DC
Justin Kisner
Special Counsel, San Diego
Karen Tsai
Special Counsel, Washington, DC
David Wraige
Special Counsel, London
Kevin Carlson
Associate, Chicago
Megan Drill
Associate, San Diego
Leah Duncan
Associate, Chicago
Anders Fernstrom
Associate, Reston
Peter A. Haddad
Associate, San Diego
Erin Hilliard
Associate, San Francisco
Allison Kutner
Associate, New York
Breanna Qin
Associate, Palo Alto
Jesse Schulman
Associate, Colorado
Mariah A. Young
Associate, Chicago
Chris Rhem
Paralegal Specialist, San Francisco
Kate Walther
Paralegal Specialist, San Diego
Brandon Lefebvre
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Capital Markets
Aviation – Manned and Unmanned
National Security
Patent Counseling and Prosecution
Debt Finance
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Tax
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Labor and Employment
CFIUS
Commercial Litigation

FERMÀT Secures $45 Million Series B

FERMÀT Secures $45 Million Series B

June 11, 2025

Cooley advised FERMÀT, an artificial intelligence-native commerce platform generating brands’ shopping experiences for stronger engagement and conversion, on its $45 million Series B financing round.

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Josh Seidenfeld
Partner, Palo Alto
Irene Sun
Associate, Palo Alto
Alex Maki
Associate, Palo Alto
Phoebe Huang
Associate, Seattle
Xander Lee
Partner, Santa Monica
Matthew Schwee
Partner, Reston
Chelsea André
Associate, Colorado
Joshua Elefant
Associate, Palo Alto
Nicolas Francis
Associate, San Francisco
Yichen Liu
Associate, Palo Alto
Rachel Robichaux
Associate, Palo Alto
Kevin Gurley
Quantitative Analyst, New York
Jake Ironfield
Transactional Quantitative Analyst, New York

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Emerging Companies
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Artificial Intelligence
Ecommerce + Marketplace
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Technology Transactions
Labor and Employment
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Taxplaining Video Series

Tax talk is a lot like a foreign language. You won't learn it in a day, but we can help you understand the basics enough to make good decisions about your company.

Admissions and credentials

California

Rankings and accolades

Chambers USA: Tax – California: Southern (2010 – 2025)
Band 1 (2024-2025)

The Legal 500 US: Leading Lawyer in US Taxes: Non-Contentious (2007 – 2025)
Hall of Fame (2023 – 2025) 

Chambers Global: International Tax (2018 – 2024)

LACBA: Taxation Section – Dana Latham Memorial Award (2020-2021)

Super Lawyers, Los Angeles Magazine (2005 – 2024)

The Best Lawyers in America: Tax Law (2018 – 2019)