Dr. Christensen graduated from Cornell University College of Veterinary Medicine in 2002. He completed a Theriogenology residency and Masters degree in Reproductive Physiology at the University of Florida in 2007. He has worked in private practice in Australia, been a university professor in Theriogenology departments at both Iowa State University and the University of California, Davis. He currently runs his own private practice in Sacramento, California, Kokopelli Assisted Reproductive Services, where he provides the only specialty canine reproduction and fertility services in Northern California. His practice strives to be the most comprehensive, reliable veterinary resource for dog breeders available. He is a Diplomate of the American College of Theriogenologists and the author of numerous journal articles and book chapters.