Dr. Justin Kaspar was born in Bay City, Texas and grew up in Blessing, Texas within Matagorda County. Dr. Kaspar attended Texas A&M University and received a B.S. in Microbiology while receiving training in bacteriology and bacteriophage biology while volunteering in Dr. Ryland Young's lab in the department of Biochemistry and Biophysics. After, Dr. Kaspar received his PhD from the University of Florida College of Medicine Graduate Program in Biomedical Sciences on the Microbiology/Immunology focused track while performing his graduate studies within Dr. Robert Burne's lab in the College of Dentistry. Dr. Kaspar's PhD project involved studying the integration of streptococcal stress tolerance in cell-cell (peptide-based) signaling and received an F31 fellowship from the NIH and NIDCR. Following graduation, Dr. Kaspar remained within the lab of Dr. Robert Burne at the University of Florida College of Dentistry while shifting his research focuses to intermicrobial interactions that occur within the oral supragingival biofilms that was supported with an NIH/NIDCR F32 fellowship.