Dr. Ketchum is the founder of DNA Diagnostics. Established in 1985, DNA Diagnostics has become a leader in all types of DNA testing including: human and animal forensics, human and animal paternity and parentage testing, disease diagnostics, trait tests, animal and human identity testing, species identification and sex determination. Most common species of animals are tested at DNA Diagnostics. Dr. Ketchum has also established a research program ranging from gene mapping to developing the VeriSNP™ (patent pending) platform for universal genetic evaluation in multiple species of animals. Other research includes genetics of disease, population genetics and other genetically important traits such as coat color in animals. Dr. Ketchum is a past three-term Chairperson of the International Society for Animal Genetics Equine Genetics Standing Committee. She has also been Dog Map Chairperson and a Committee member on the Dog and Cat Parentage Committee. She is a former Treasurer for AFDAA, The Association of DNA Analysts and Administrators.  She aided in the analysis of the DNA sequences from the World Trade Center Disaster.