Casillas Law Group

A corporate law boutique, specializing in business matters for companies from startups to large publicly traded corporations.

Casillas Law Group was founded by Mark Casillas. After many years of practicing corporate and international law in large law firms in New York and San Francisco, Mr. Casillas wanted to provide his clients the most senior level expertise and client service available at reasonable fees.

Prior to founding Casillas Law Group, Mr. Casillas practiced law at Wilson Sonsini Goodrich & Rosati in Silicon Valley, where he helped run one of the largest corporate practices in Silicon Valley, and at LeBoeuf Lamb Greene & MacRae in San Francisco, where he led transactions throughout the United States as well as China, Southeast Asia, Europe, Latin America, and Russia.

Mr. Casillas graduated from Harvard Law School, where he was Managing Editor of the nation’s leading public interest law review. He then clerked for the Chief Judge of the United States Court of Appeals, Tenth Circuit, and began his career in New York at Breed Abbott & Morgan before moving to San Francisco.

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