Ruifeng Xu, PhD

Merck Research Laboratories
BARDS
351 N. Sumneytown Pike
North Wales, PA
USA 19454

Biographical Sketch:
2006 Summer -- Summer Intern, Covance Clinical Research Unit, Inc., Madison, WI 2005 - 2006 -- Project Assistant, Dept. of Population Health Science, UW-Madison, Madison, WI 2007 - present -- Biometrician, Dept. of Health Economic Statistics, Merck Research Laboratories, North Wales, PA Responsible for statistical research on measurement error (2005-2006) Author or coauthor of 5 publications. Numerous presentation at scientific meetings.