Helen has served as our chief financial officer since 2006. She brings over 20 years’ experience in financial management, contract negotiations, HR, and administrative management to her current role, previously holding a managerial position at Johnson Matthey Pharma Service, Inc., and having tax and auditing experiences at KPMG and PwC. Helen is a licensed CPA and holds a Silver Medal from the 1998 National CPA Exam. She also holds an MBA from Northeastern University, a Ph.D. in biochemistry from The Ohio State University, and a B.S. in virology from Wuhan University.