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Meet Our Team


Darlene O. Sanchez, DVM, CVA

Dr. Sanchez is the Founder and Chief Executive Officer of Loving Hands Animal Hospital, Inc. She grew up in Southern California and received her Bachelor's Degree in Pre-Veterinary Animal Science from Cal Poly Pomona in 2005. She received her Doctor of Veterinary Medicine Degree from Western University of Health Sciences in 2009. In 2017, Dr. Sanchez became recognized as a Certified Veterinary Acupuncturist. Her passion is holistic medicine which includes Traditional Chinese Veterinary Medicine, Acupuncture, Herbal Therapy and Food Therapy. Her other professional interests include critical care, soft tissue surgery, feline medicine, ultrasonography and dentistry. Dr. Sanchez is a member of the American Veterinary Medical Association (AVMA), American Holistic Veterinary Medical Association (AHVMA), American Animal Hospital Association (AAHA), and the American Association of Feline Practitioners (AAFP). Dr. Sanchez has been nominated as "Top Veterinarian" by WestCoast Magazine 4 times in a row. Her focus on client communication and compassionate care is 


Alexis Lumsden, DVM

Dr. Alexis Lumsden grew up in the East Bay area of San Francisco. She attended the University of California at Berkeley where she graduated in 1971 with her Bachelor of Arts Degree in Zoology. Since her Mother was a California State Human Office, Dr. Lumsden learned early on to support and champion animal sciences and love for all living creatures made her decision to pursue a career in Veterinary Medicine a logical choice. Dr. Lumsden completed her Veterinary studies at U.C. Davis School of Veterinary Medicine in 1975. Since then she has dedicated herself to caring for the medial needs of dogs and cats. In her free time she enjoys reading, gardening, exercising, and doing volunteer work. Three dogs keep her walking regularly, twelve cats keep her scooping boxes as needed, eight birds keep her preparing daily meals and "Daisy" her Tennessee Walking Horse keeps her in training. Dr. Lumsden is very pleased to join the dedicated and professional team at Loving Hands Animal Hospital.


Trina Cowles, Practice Manager

Trina has been working in the Veterinary field since 1986 after obtaining her Associates Degree from Riverside Community College. She continued her education at Cal Poly Pomona and later received training in Veterinary Management at Purdue University in Lafayette, Indiana. She is currently a member of the Inland Empire Veterinary Managers Association. Her field of interest is focused in animal behavior and genetics, as well as client education and leadership development. Since 1986, Trina has obtained all her pets, ranging from iguanas, snakes, ferrets, rabbits, chinchillas, cats and dogs, through rescues and animal shelters.


Alyssa Hullinger, Lead Receptionist

Alyssa has been in the Veterinary Reception field for over 10 years. From working with and caring for cats & dogs to friendly pocket pets, farm animals, and wild critters, “There is never a dull moment in this environment.”-Alyssa

Growing up having pets of her own and being involved with the Future Farmers of America (FFA) for 4 years was just the start of her compassion and love for animals.

“Originally I wanted to become a Veterinarian, but up until actually working at an Animal Hospital for a couple years where I saw first-hand the many responsibilities that the Veterinarian has and the stress levels, I then decided that Reception/Veterinarian Assistant was the position for me.” 
-Alyssa


Mariana Covarrubias, Receptionist

Ever since Mariana was a kid she wanted to work with animals, she graduated from Westech College in 2015, as a Veterinary Assistant. She grew up always having pets as part of the family. Her dream is to have her own rescue one day, she finds peace and comfort in the aide of helping those who can’t help themselves. At the moment she has 2 Huskies, 4 Kitties and even a Parrot! Mariana enjoys working with the public and getting to know her clientele along with the joys of meeting new fur babies on a daily basis.


Erika Acosta, Receptionist

Erika is currently attending Cal Poly Pomona as a Pre Veterinary Medicine major, her passion for animals awoke inside as a young child as she was raised in a home surrounded by dogs and cats. But it wasn’t until she experienced her first animal science class that brought her love for large animals to light. She also volunteered at a Farm Sanctuary during the summer of 2016  and was mesmerized by the beauty of these large creatures. This is where she found that she now knows that she wants to put her heart and soul towards large animal veterinary medicine. When Erika is not working, she likes to go on hikes, visit botanical garden museums, attend concerts and read.


Masha Chudinova, Lead Registered Veterinary Technician

Masha has been studying and working with small animals since 2008. She is originally from Russia and earned her RVT license through Purdue University in 2016. Masha works closely with the doctors in providing the best possible care for our patients. She loves feline medicine and enjoys performing dental procedures and ultrasounds. When Masha is not at Loving Hands Animal Hospital, she can be found riding horses, hiking, or spending time with her family which includes her husband, two little girls and her cat, Charlie.


Chuck Mize, Veterinary Assistant

Chuck started working as a Kennel Attendant in 1991. With what had started as just a summer job and then turned into a lifelong decision to take care of our Pets & their Families. Chuck has been a Veterinary Assistant for the last 20 years. With working at 2 different Clinics, he enjoys performing Dental's and assisting in surgeries. Also, loves to teach and pass on his knowledge to the next generation of Veterinary Assistants and Registered Veterinary Technicians he works with. When Chuck is not working he enjoys spending time with his family, watching Disney Movies with is 9 year old Daughter, going out for a night of Bowling and also playing on the computer.


Lauren Ramirez, Veterinary Assistant

Lauren is a 4th year animal science pre-vet major at California Polytechnic University, Pomona. She knew she wanted to be a veterinarian since the time she was 3 years old. Although Lauren loves animals big and small, she aspires to work with large animals like cattle and horses as a veterinarian. As a high schooler in San Diego, her love for horses grew during her time volunteering with an off-the-track thoroughbred rescue. She is currently involved in "foal watch" at Cal Poly, a class where she helps take care of a pregnant mare and will be present for her birth. In her free time she enjoys hiking, going to the beach, as well as playing with her Saint Bernard Cleo, kitten Kenmore and cockatiel Coco.


Robbie Ramirez, Treatment Room Assistant

Robbie is a pre-vet student from Cal Poly Pomona, He is currently in his final year of undergrad with hopes of going to vet school here in California and eventually specializing in equine reproduction and podiatry. Robbie was brought up raising and breeding Andalusian horses but loves animals of all sorts. Recently, He has been involved in the breeding program at the W.K. Kellogg Arabian Horses at Cal Poly, and has assisted with AI, Ultrasounds, and surgery on the oldest established Arabian horse breeding farm in the United States. Currently, he takes care of 4 horses at home along side a group of pregnant mares in the Foal Watch program at Cal Poly. Eventually, Robbie aspires to open his own equine specialty practice and equestrian complex to continue his family's line of Andalusian horses. When he's not a school, at work, or training horses, Robbie enjoys relaxing with his 10 year old German Shepherd pup Lolo and watching Dr. Pol, or being at Disneyland with his family.


Nicole Boyd, Treatment Room Assistant

Nicole started volunteering here right from the beginning over 2 years ago. She was eventually hired at the age of 15 and had a lot of things to learn. Shortly after she was made a lead kennel attendant with amazing new responsibilities. She knew she wanted to pursue a career as a veterinarian when she was in the second grade. When she was told that she wouldn't have the smarts to become a veterinarian, it only made her work harder to achieve her goal. She will be attending UC Davis in the Fall of 2018. She would like to become a veterinary radiologist and a well known doctor in her respected field. She enjoys spending time with her beloved labradors, Bailey and Dahlia.


Omega Betts, Lead Exam Room Nurse

Ever since she was a child, Omega has always had a passion for helping animals-large or small. She has been working here as one of one of our Kennel Attendants and is working towards becoming a Veterinary Assistant. She is currently a student studying at Chaffey College to major in Zoology. Omega enjoys lending a helping hand to furry friends of all sizes whenever she can; growing up she’s always volunteered at local shelters and organizations to care for animals in need. When Omega isn’t here, she enjoys spending time going out and being with friends and family; including her dogs and cats.


Salma Ramirez, Exam Room Assistant 

Throughout her life, Salma has always been very fond of animals and holds a strong interest for their health and well-being. She enjoys the company of furry friends and hopes to become a Registered Veterinary Technologist, as she is currently studying Animal Health Science at Cal Poly Pomona. It is her second year at the university and she is loving every moment of it. She is also a member of the Animal Health Science and Technology Association (AHSTA) club at her school, in which she volunteers with her club at different events such as Downtown Dog Rescue. She began at Loving Hands Animal Hospital as an intern and she then joined the team as an Exam Room Assistant. When she is not at the hospital or at school, Salma can be found spending time with her two dogs, Juno 


 Madison Ermer, Lead Kennel Attendant, Treatment Room Assistant

Since Madison was a child she wanted to save the world one animal at a time, and that's what she plans on doing. She is am currently a kennel attendant, her goal is to become a registered veterinary technician, with hopes of starting school in the fall 2017. When not working she enjoys spending her time with her pug Bella and her chinchilla Ruby. She absolutely loves working at Loving Hands Animal Hospital, she says that it's been one of the greatest opportunities that she has ever received.

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