About Warren K. Woo
With 25 years of experience in U.S. immigration and nationality law, Warren K. Woo serves as a trusted guide and advocate for his clients. He holds specialized expertise in Free Trade Agreement visas — specifically the H-1B1 program for Singaporean and Chilean nationals — which he has handled for 20 years.
A Business-Minded Approach
Mr. Woo combines legal practice with a background in business and economics, allowing him to structure visa applications for a wide range of corporate clients:
Early-stage and high-growth startups navigating their first international hires.
Established multinational corporations and premier institutions, including Singapore Telecommunications (Singtel), the National University of Singapore, CapitaLand Group, and Aalto University (Finland).
Singaporean SMEs and professionals expanding their footprint into the U.S. market, supported by our deep familiarity with regional legal and business nuances.
He understands the distinct challenges smaller startups face when securing their first international hires, and has the bandwidth and expertise to manage volume for established global enterprises.
Education & Credentials
Mr. Woo is a graduate of the University of California College of the Law, San Francisco (formerly UC Hastings). During law school, he served as a Senior Editor of The Hastings Law Journal, editing work from national legal scholars, and assisted on a major immigration asylum case before the courts. Prior to law school, Mr. Woo graduated with Honors from U.C. Davis, studying Agricultural Economics, Entrepreneurship, and East Asian Studies. Reflecting an early interest in the field, he published an award winning paper titled “Immigration: How it Benefits the U.S.” Mr. Woo is an active member of the American Immigration Lawyers Association (AILA).
Get in Touch
Schedule a consultation to discuss your visa, green card, or citizenship matter. Mr. Woo works with individuals, startups, and multinational companies throughout the immigration process.