He has published more than 200 peer reviewed research articles and his research has been cited more than 13,000 times. He has an H index of 66. He has been continuously funded by NIH since 1986. He has been the recipient of both a First Independent Research Support and Transition (FIRST) award and a Research Career Development Award (RCDA) as well as 9 R01 grants and 2 U01 grants. He has been awarded more than $40,000,000 in grant funding.