Sigui Li

Sigui Li is a seasoned biostatistics professional with extensive experience in the pharmaceutical industry. Currently serving as Senior Director of Biostatistics at Dyne Therapeutics since September 2025, Sigui previously held various leadership roles at Sage Therapeutics, including Executive Director of Biostatistics. Early career highlights include positions at Merrimack Pharmaceuticals Inc. as Associate Director of Biostatistics, and at PPD Inc., where responsibilities spanned from Senior Manager to Biostatistics Team Lead. Sigui has demonstrated expertise in clinical trial design, statistical analysis, and regulatory submissions, contributing to numerous successful drug development programs. Academic qualifications include a Master of Science in Statistics from The University of Georgia and a Master of Science in Veterinary Medicine from Nanjing Agricultural University.