I have 25 years of experience, and specialize in the field of forensic biology with specific knowledge in the areas of forensic biology, serology and DNA testing. I have published on such topics as forensic DNA testing, immune response and anthropological genetics. I have testified 50 times on topics such as foresnsic testing, forensic DNA testing and population genetics. I have been a clinical and forensic laboratory director for many years and have been a certified laboratory director.