Billy is a Phytopathologist professionally with vast knowledge in Microbiology. He teaches Phytopathology, Microbiology and related disciplines at the University. Besides, he is actively involved in research activities. He is a member of the American Society for Microbiology. A couple of years ago, he discovered a natural dye from a common noxious weed, Tagetes minuta (Mexican Marigold) in a research activity led by Prof. Richard Mibey.