Siyuan An focuses her practice on diverse corporate and securities matters, especially on capital market transactions for both public and private companies, as well as expertise in corporate governance and securities law compliance. Her clients have spanned a wide array of industry sectors, with an emphasis on the technology and life sciences sectors. Her experience includes representing issuers in initial public offerings for domestic companies and foreign private issuers, as well as managing transactions involving special purpose acquisition companies, including de-SPAC transactions.

Siyuan has also successfully represented early-stage companies, including startups in their seed stage, and facilitated angel and venture capital financings. Additionally, she possesses an understanding of the cultural dynamics and specific requirements concerning the US business interests of companies based in Japan and Chinese-speaking countries.