Jean Loonam, DVM

Dr. Loonam was raised with multiple animals on her family’s farm outside of Chicago, Illinois.  It was then that she decided she would be a veterinarian.  She graduated with a Bachelor of Science degree in Biology from Virginia Tech in 1996 and her veterinary degree from the University of Tennessee in 2000.  Dr. Loonam completed a year-long small animal internship at the Regional Veterinary Referral Center in 2001. Subsequently she did a year of general practice in Middleburg, Virginia before she was asked to do a year-long surgical fellowship at the University of Tennessee.  After her surgical fellowship she joined the emergency and critical care department of a referral center outside of Jacksonville, Florida.  In 2004 Dr. Loonam returned to Virginia and assisted in opening what is now the Emergency Division of the Veterinary Referral Center of Northern Virginia.

In her free time Dr. Loonam competes her horses in Dressage, Show Jumping, and Eventing.  Also, she enjoys running with her pack of King Charles Cavaliers.


Jessica Diebold, DVM

Dr. Diebold grew up in northwestern Pennsylvania and graduated from Edinboro University of Pennsylvania in 2001 with a major in English Literature and numerous minors including Chemistry, Biology, and History. After realizing that full-time students can’t support themselves, and with a lifetime love of animal science and zoology, she went on to veterinary school and graduated from St George’s University after completing her clinical year at the University of Florida in 2005.

Prior to joining the Veterinary Referral Center of Northern Virginia’s Emergency Team in July 2018, Dr. Diebold worked as an Emergency Veterinarian for 13 years throughout Northern Virginia. Her professional interests include emergency surgery, emergency medicine, and animal welfare.

Jessica and her husband Nick have two children—five-year old Grayson and nine-year old Lyra.  She enjoys spending her limited free time with her family, caring for her hobby farm and rabbitry, and traveling. She currently has six dogs, one hairless cat, goats, chickens, ducks, ball pythons, saltwater fish, and innumerable rabbits.

Eric Martinez, DVM

Dr. Martinez was born and raised in Puerto Rico.  He attended the University of Puerto Rico at Mayaguez campus for his veterinary prerequisites and participated in multiple research projects.  Dr. Martinez was accepted to Louisiana State University School of Veterinary Medicine where he participated in research projects funded by the National Institutes of Health and presented at the North Carolina State University Summer Scholars.

After earning his DVM degree, he successfully completed a small animal medicine/surgery rotation and small animal surgical internship in South Florida. Dr. Martinez relocated to the Northern Virginia area for continued training and liked the area so much that he has decided to settle here.  His interests include emergency surgery and medicine.

He enjoys spending his free time with his wife, two beautiful daughters, two dogs and a cat.  Diving, sailing , and other outdoor activities are among his favorite pastimes.

Emily Hemberg, DVM

Dr. Hemberg grew up in Jensen Beach, Florida. She attended Auburn University on a full athletic scholarship competing in Women’s Division I Intercollegiate Volleyball. She graduated with a degree in Zoology and returned back home to attend the University of Florida where she earned her Doctorate of Veterinary Medicine. She completed a year-long rotating small animal medicine and surgery internship at Carolina Veterinary Specialists in Charlotte, North Carolina.

Dr. Hemberg’s interests include diagnostic imaging, soft-tissue surgery/wound management, and emergency and critical care medicine. She is a member of the American Veterinary Medical Association and the Veterinary Emergency and Critical Care Society. When she is not at work, Dr. Hemberg enjoys backpacking, cooking, gardening and spending time with her husband, daughter’s Madeline and Elizabeth, and fur children Rango, Donald, Chipper Jones, and Zip Kitty.