Before joining Spiegel & Utrera, he served as a cross-border associate attorney in Toronto, Canada, and later as a venture capital and technology associate at an AmLaw 100 firm, where he negotiated complex investments in venture and M&A, representing serial entrepreneurs and investors alike in high-value cross-border transactions.
Mr. Castillo is highly recognized for his expert guidance to companies who are navigating the complex landscape of all things corporate expansion. Between structuring founders corporate planning, investment rounds, exits/M&A, and global mobility and immigration, he offers tailored solutions for both domestic and international clients in every phase of growth.