Our team

Executive leadership

Janet Wittes, PhD

President

Aparna Anderson, PhD

Chief Scientific Officer

Scientific team

Lisa Weissfeld, PhD

Senior Investigator

Judy Bebchuk, D.Sc.

Senior Statistical Scientist

Zi-Fan Yu, ScD

Senior Statistical Scientist

Jessica Case, MPH

Statistical Scientist,
Director of Business Development

Heidi Christ-Schmidt, MSE

Statistical Scientist

Matt Downs, MPH

Statistical Scientist

Janelle Rhorer, MS

Statistical Scientist

Kimberly Walters, PhD

Statistical Scientist

Lisa Kowarski, MPH

Senior Biostatistician

Stephanie Bragg, MS

Statistical Team Leader

Laura Burke, MPH

Statistical Team Leader

Tara Kervin, MPH

Statistical Team Leader

Lijuan Zeng, MHS

Statistical Team Leader

Alexander Bonham, MS

Biostatistician II

Feifei Ding, MA

Biostatistician II

Katrina Epnere, MPH

Biostatistician II

Maggie Langhamer, MPH

Biostatistician II

Austin Li, MS

Biostatistician II

Steven Mondia, MS

Biostatistician II

Rupsi Pal, MS, PhD

Biostatistician II

Kelly Smith, MS

Biostatistician II

Rose Steenstra, MPH​

Biostatistician II

Alison Zinsli, MSPH

Biostatistician II

Emma Block, MS

Biostatistician I

Michael Burton MStat

Biostatistician I

Chloe Dai, MS

Biostatistician I

Will Edwards, MStat

Biostatistician I

Cameron Evangelista, MStat

Biostatistician I​

Simon Minasse, MB

Biostatistician I

Alexandra Parfitt, MS, PhD

Biostatistician I

Ningjun (Frannie) Shen, MS

Biostatistician I

David White, MS

Biostatistician I

Jeffrey Cornell, MS

Principal Statistical Programmer

Sharon Eichorn, BA

Senior Statistical Programmer

Administration

Tara Kervin, MPH

Director of Operations

Elizabeth Toretsky, MS

Director of Quality Assurance

Laura Chapman

Director of Administration