Corporate and Securities Partner Representing Startup Companies and Venture Capital Funds Across U.S. and Global Markets

Cullen serves as fractional or outside general counsel to early- and growth-stage startups, advising on entity formation, venture financings, M&A, equity structures, commercial contracts, IP strategy, employment matters, and governance. His practice is rooted in understanding each client’s business goals and aligning legal strategy to support scalable growth.

He also provides targeted legal support to venture capital firms, accelerators, and foundries, managing investment transactions, due diligence, portfolio company counsel, and exit planning.

Known for his clear, measured counsel and entrepreneurial mindset, Cullen is a trusted member of the teams he supports. He regularly shares thought leadership through speaking engagements, publications, and mentoring founders on legal strategy aligned with business outcomes.

Based in San Diego, Cullen advises clients across the U.S. and internationally who are engaged in U.S.-focused venture markets.