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. He assists foreign investors, executives, technical professionals, students, and families navigating the U.S. visa process.

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. 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. Over his career, his firm has represented: • Early-stage and high-growth startups making their first international hires • Established multinational corporations, including global telecommunications and real estate solutions providers • International research universities • Companies and professionals across South and Southeast Asia, with deep familiarity in regional legal nuances

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 awardwinning college 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.