Before promoted to an Assistant Professor in the Department of Ophthalmology and Visual Sciences and became a fully independent principal investigator affiliated with the James Brown Cancer Center, Birth Defects Center at the University of Louisville, Kentucky USA in 2009, I had been in multiple laboratories specialized in either cellular and molecular biology at Noble Foundation, Okalahoma, or comparable and functional genomics at Oak Ridge National Laboratory, Tennessee.  In 2025, I was promoted to Associate Professor in the Department of Medicine, the University of Louisville School of Medicine, Kentucky USA.