Continuing Education
Cristiano von Simson, DVM, MBA; Ryan Reynolds, DVM; Erin Roof, DVM, DACVIM (Oncologist)
Cristiano von Simson, DVM, MBA
A São Paulo, Brazil native, Cristiano received his doctorate in veterinary medicine from the University of São Paulo, and his MBA from Fundação Getulio Vargas, also in São Paulo. He has over 30 years of experience in animal health, starting his career by building a successful equine practice in Brazil, and then had several roles with increasing responsibilities in Marketing and Professional Services at Rhone-Merieux, Merial, Bayer and now Virbac.
Cristiano has co-authored several peer reviewed papers and often lectures at veterinary conferences. He is a past vice-president of the American Heartworm Society.
He was part of the team that brought the Canine Melanoma vaccine to market and has worked with Dermatology products for more than 20 years in marketing and research projects.
Ryan Reynolds, DVM
Ryan is originally from a small town in Southeast Texas near the Louisiana border. He spent his undergraduate years in the Corps of Cadets and The Texas Aggie Band at Texas A & M University, where he graduated magna cum laude as a Bachelor of Business Administration in Management in 2002. He then went on to attend Veterinary School, again at Texas A & M, graduating cum laude as a Doctor of Veterinary Medicine in 2008.
After graduation, Ryan went into private small animal practice in Port Arthur, TX before joining Antech Imaging Services as part of the inaugural sales staff in 2012. In this role, he traveled throughout the United States educating veterinary practitioners on the value of having board-certified specialists interpret their diagnostic images. In early 2020, Ryan’s responsibilities expanded to also include the role of Professional Services Veterinarian, where he performed a similar educational role for Antech’s reference laboratory until he joined the Virbac team as a Technical Services Veterinarian in early 2022. He has particular professional interests in internal medicine and radiology/diagnostic imaging.
Currently, Dr. Reynolds lives in the Dallas-Fort Worth, TX Metroplex. In his spare time, he enjoys golf and fitness as well as playing the guitar.
Erin Roof, DVM, DACVIM (Oncologist)
Dr. Roof received her Doctor of Veterinary Medicine from Louisiana State University. She then completed a Rotating Small Animal Internship at the Veterinary Specialists of South Florida in Fort Lauderdale. She completed a three-year residency in Medical Oncology at the VCA Bay Area Veterinary Specialists and Emergency Hospital in San Leandro, California in 2012. She joined the Animal Cancer Care Clinic team in Florida as a staff Medical Oncologist in 2020.