Yiwen Deng is an experienced professional in the field of biostatistics, currently serving as Associate Director of Biometrics at Ionis Pharmaceuticals, Inc. since March 2022. Prior experience includes a significant tenure at PPD from August 2016 to March 2022, where Yiwen held various roles, including Principal Biostatistician and Senior Biostatistician. Earlier career experience at IQVIA, from June 2014 to July 2016, involved positions as Statistical Programmer II and I. Yiwen Deng holds a Master of Science in Biostatistics from Duke University (2012-2014) and a Bachelor of Arts in Mathematics and Philosophy from Lawrence University (2008-2012).