Nina Mahoney


Being born and raised in Huntington Beach, Dr. Nina Mahoney is a native of California. In 2008 she graduated from UCLA with a Bachelor’s degree in Physiological Science and continued on to graduate from Western University of Health Sciences with a degree of Doctor of Veterinary Medicine.

During her time at UCLA, she worked at the David Geffen School of Medicine, an internationally recognized leader in research, medical education, and patient care. She finds adrenal diseases fascinating and holds a special place in her heart for her geriatric patients. In her time off, she loves spending time with her family and friends and going to the ballet.

Robert Righter


Dr. Robert Righter attended Kansas State University and in completion obtained his veterinarian license. He began practicing in 1972 all throughout the Midwest with both large and small animals. Once he moved to the west coast, Dr. Righter began focusing on small animals.

Dr. Righter is an animal lover, especially when it comes to his dog, Greta, a 3-year-old German Shepard. In his free time, Dr. Righter loves spending time with his family and loves working out.

Ravi Kumar Srungaram


Dr. Ravi Srungaram is a Southern California native who grew up in Long Beach. Dr. Srungaram grew up working at his father’s veterinary practice which built his love for the profession. He majored in Biology at Loyola Marymount University before going to UC Davis for his DVM in 2015.

When not working, he enjoys playing basketball, running, and spending time with friends and family. His favorite dog breed is the Malamute.

Joohee Seo


Dr. Joohee Seo graduated from Pitzer College of the Claremont Colleges with a Bachelor’s degree in Biology and a minor in Music. She then continued her education to earn a degree of Doctor of Veterinary Medicine from Western University of Health Sciences. Dr. Seo has experienced many externships and clinical rotations through New York, New Jersey, and California, where she continued gaining knowledge in a wide breadth of medicine including emergency and critical care, internal medicine, and surgery and anesthesia.

She has also completed a summer training program in comparative medicine at New York University and externships in Columbia University Medical Center and Stanford University Medical Center. Throughout veterinary school, she was actively involved with various national organizations. She took several leadership positions such as a vice president for the Student Veterinary Emergency and Critical Care Society and a class representative for the Student Chapter of the American Animal Hospital Association.

She finds that having the ability to help the debilitated animals back to health is a fascinating and rewarding career. She cares for her patients and their families with a warm heart and great passion. Outside of work, Dr. Seo enjoys traveling, playing the piano, going to music concerts, art galleries and spending time with family and friends.

Crystal Cisneros


Dr. Cisneros obtained her veterinary degree from Western University of Health Sciences. After veterinary school she completed an internship to obtain extensive knowledge in emergency & critical care, internal medicine, surgery, neurology, oncology, and exotics medicine. After practicing in Arizona, she is now excited about welcoming all that sunny California has to offer. She is a firm believer in quality patient care and prides herself in strengthening the human- animal bond.

In her free time, she is always searching for her next adventure. She enjoys traveling (especially humanitarian trips), spoiling her dog Mowgli, watching sports, and finding ways to give back by volunteering in her community

Sharon Kim


Dr. Kim received her veterinary medical degree from the Ohio State University where she became interested in emergency and critical care. Her interest stemmed from her background in infectious disease and public health working in emergency preparedness and outbreak investigation. Following veterinary school, she received training in internal medicine, surgery, critical care, and emergency in northern California. Prior to veterinary medicine school, she also received her Master of Public Health degree from the University of California, Davis.

In her free time, Dr. Kim loves traveling and learning about different cultures. She is a big foodie and loves being active and outdoors, including backpacking, hiking, and running with her dog.

Joshua Yoo


Dr. Yoo graduated from the Ohio State University College of Veterinary Medicine. While he’s been in Los Angeles for much of his adult life, he was born and raised in northeast Ohio, and is an avid Ohio sports fan. Dr. Yoo’s special interests include emergency surgeries, pain management, and collaborating with colleagues, experts, and specialists to provide the best emergency care for critical patients.

Outside of work, Dr. Yoo enjoys spoiling his cat, Grey Bear, his 2 nieces, traveling, skiing, and enjoying Southern California.

Edward B. Leeds

DVM, Diplomate of the American College of Veterinary Surgeons

Dr. Leeds was the first board-certified veterinary surgeon in Los Angeles and has been performing surgery on a referral basis in Los Angeles since 1974. Dr. Leeds received his Doctor of Veterinary Medicine degree from the Ohio State University in 1966. Following graduation, he completed a 15 month rotating internship at the prestigious Angell Memorial Animal Hospital in Boston, Mass. Upon completion of his internship, Dr. Leeds was appointed as the first surgical resident in Angell Memorial’s history.

As part of his residency, Dr. Leeds taught surgery to the senior students at the Harvard Medical School while rotating through the surgical Procedures of the Peter Bent Brigham Hospital. Following his residency, he became a fellow in the Department of Surgery at the New England Medical Center and instructor in surgery at the Tufts Medical School in Boston, Mass. Dr. Leeds became certified by the American College of Veterinary Surgeons in 1973. He has lectured extensively at the international (Japan), national, and local levels and has authored and co-authored dozens of papers in the fields of orthopedic and soft tissue surgery. Dr. Leeds established the Surgical Group for Animals in Los Angeles in 1976.

JD Calsyn


Dr. JD Calsyn specializes in Internal Medicine. He grew up in SoCal, and attended college at the University of California Los Angeles. He has 2 pets, a dog named Nolan and a cat named Remy. He enjoys all sports and participating in outdoor activities and coaches a High School Football team.

Ann Murata

DVM, Practice limited to Avian & Exotics

Dr. Murata was originally born and raised in Honolulu, Hawaii. She received a Bachelor of Science in Animal Science from the University of Hawaii and went on to receive a Doctor of Veterinary Medicine from Colorado State University. After spending two years at a 24-hour practice in Hawaii, Murata came to California in 1991 and has been practicing here ever since. She has had a special interest in the treatment of avian and exotic animals since graduation from veterinary school. This interest has grown into a career specialization in the medical and surgical treatment of birds, small mammals, reptiles, and amphibians.

As a member of the Association of Avian Veterinarians, Association of Reptile and Amphibian Veterinarians, and the Association of Exotic Mammal Veterinarians, Murata is actively involved in acquiring and implementing the latest diagnostic, treatment, and surgical methods available for these unique animals.

She enjoys cooking, hiking, swimming, and taking care of her assortment of furred scaled and feathered friends.