Advancing science with world-leading scientific advisers in ocular, dermal, otic and veterinary research



Kristina Burling, DVM, DAVCO

Dr. Kristina Burling pursued her interest in veterinary ophthalmology by completing an internship in small animal medicine and surgery at the Western College of Veterinary Medicine in Saskatchewan, Canada, in 1988 and a residency in veterinary ophthalmology at University of California Davis in 1991. Her board certification in ophthalmology was completed in 1992. Dr. Burling’s special interest areas within ophthalmology include medical ophthalmology, corneal, reconstructive and intraocular surgery.

Patrick McCallum, DVM, DAVCO

After completion of his DVM from University of California Davis in 2001, Dr. Patrick McCallum completed a medical and surgical internship at the Animal Specialty Group in Los Angeles, Calif.  Under practice residency training in ophthalmology under Dr. Burling, he became a Diplomate of the American College of Veterinary Ophthalmologists in 2008 and has principally focused his interests to include medical and surgical treatment of glaucoma, eyelid modification and reconstruction, corneal grafting and cataract surgery.

Cynthia S. Cook, DVM, PhD, DAVCO

Dr. Cynthia Cook received the Doctor of Veterinary Medicine degree from Iowa State University in 1980. She completed a residency in ophthalmology at North Carolina State University and became a board certified Diplomate of the American College of Veterinary Ophthalmologists in 1986. While in North Carolina, she also obtained a doctorate at University of North Carolina in medical cell biology and anatomy. In addition to her clinical interests, Dr. Cook serves as a research consultant to the pharmaceutical industry and universities. Dr. Cook has served as president of the American College of Veterinary Ophthalmologists, the San Francisco Veterinary Medical Association and the Peninsula Veterinary Medical Association.


Howard Maibach, MD

Dr. Howard Maibach has written and lectured extensively on dermatotoxicology and dermatopharmacology. His current research programs include defining the chemical-biologic faces of irritant dermatitis and the study of percutaneous penetration. When Dr. Maibach is not in the lab conducting research or in the classroom teaching, he is seeing patients at the Environmental Dermatoses Clinic (of the Dermatology Clinic), mostly providing second opinions on allergic contact dermatitis. Dr. Maibach has been on the editorial boards of over 30 scientific journals and is a member of 19 professional societies including the American Academy of Dermatology, San Francisco Dermatological Society and the International Commission on Occupational Health. Dr. Maibach specializes in clinical dermatopharmacology and allergic contact dermatitis.

Veterinary and Surgical

Michelle Kelley, DVM

Dr. Michelle Kelley is a graduate from the University of California, Davis School of Veterinary Medicine, and brings to CBI her veterinary and surgical expertise. She is experienced in numerous surgical models and model development. Dr. Kelley also serves on CBI’s in-house Institutional Animal Care and Use Committee. She has specialized in surgery in diverse species for many years and also has a private veterinary practice.