His research combines wet lab and computational methods to investigate links between the gut microbiota and disease. He is the developer of the mothur (http://t.sidekickopen56.com/e1t/c/5/f18dQhb0S7lC8dDMPbW2n0x6l2B9nMJN7t5XZsRzH2vVQZ8S05vMrV0W5w6vTF56dDDKf3jqC1v02?t=http%3A%2F%2Fwww.mothur.org%2Fwiki%2FMain_Page&si=5891482089684992π=d94d5cab-b02d-4786-f511-0c114fb83a1c) software for analyzing microbial short read sequence data.