Her areas of interest encompass all facets of internal medicine, with particular focus on infectious diseases, endocrine disorders, and hematologic disorders. Prior to joining the faculty at Texas A&M, Dr. Heseltine held faculty and teaching positions at Oklahoma State University and University of Saskatchewan, respectively, and practiced in private specialty clinics in Vancouver, British Columbia, and Sugar Land, Texas. She received her DVM from University of Saskatchewan, followed by a rotating small animal internship at University of Prince Edward Island. In addition, Dr. Heseltine received an MS from Virginia Tech, where she also completed a small animal internal medicine residency before becoming ACVIM board certified in small animal internal medicine.