Yaorui Liu has extensive experience in biostatistics and statistical programming, currently serving as Biostatistician II at Everest Clinical Research since January 2019, after progressing through various roles within the same organization. Prior experience includes working as a HEOR analyst trainee at KMK Consulting Inc., a Statistical Programmer at BDM Consulting Inc., and a Research Assistant at Keck Medicine of USC. Responsibilities have included sample size calculation, drafting statistical analysis plans, analyzing clinical datasets using SAS, and ensuring data quality through systematic checks. Yaorui Liu's educational background includes a Master of Science in Applied Biostatistics & Epidemiology from Keck School of Medicine of USC and a Bachelor of Science in Statistics from Iowa State University.