Our Team

Dr. Nichole Weinstein – DVM, Medical Director

A California native, Dr. Nichole Weinstein graduated with her pre-veterinary degree from Cal Poly, Pomona, California. She then earned her Doctorate in Veterinary Medicine at the University of the Philippines. She obtained her license to practice in the US at Iowa State University in Ames, Iowa. She then went on…

Dr. Musa

Dr. Samantha Musa brings over three decades of veterinary experience to our practice, having previously practiced in the Chicago area before relocating to California. According to family lore, her passion for veterinary medicine was sparked at age four during a memorable trip to the zoo–and the rest is history! Along…

Jacob

Client Coordinator, Veterinary Student Jacob is on sabbatical to go to vet school (he’s class president at Western University!) but is working with us on breaks and will return as a doctor in 2025! We are so proud of him!

Dr. Bruce Barrett – DVM, Orthopedic Surgery

Dr. Barrett is our orthopedic surgeon on-call who performs quality orthopedics at a reduced or discounted price when compared to specialty hospitals. His patients have excellent outcomes with less pain and faster healing. He is a great asset to our team!

Maria

Registered Veterinary Technician, Room Supervisor

Maria received her RVT license from Carrington College. Prior to that, she attended Humboldt State University, where she earned her Bachelor’s in Zoology.

Maria’s love for animals and passion for veterinary medicine led her to pursue a career in the veterinary industry. She finds great fulfillment in helping animals feel better and loved. Maria’s most memorable experience in her profession was when she helped treat a patient who ultimately found a loving home after a long and tedious treatment process.

Maria enjoys visiting amusement parks outside of work, including Disneyland and Universal Studios. She also has a strong interest in classic horror movies and enjoys collecting records.

Ashley

Veterinary Assistant

Ashley brings a wealth of knowledge and enthusiasm to her role as a Veterinary Assistant at Arrow Dog & Cat Hospital. With her Associate's Degree in Animal Science from Platt College, she has always shown a commitment to animal care. Ashley's love for animals was kindled in childhood, and she was surrounded by chickens, rabbits, and dogs, which shaped her career aspirations from an early age. Her hands-on experience with various animals has equipped her with a unique perspective on veterinary care. Ashley is a proud pet parent to Luna, a 5-year-old Chihuahua mix known for her impressive array of tricks. When not at work, Ashley values quality time with her family, explores the great outdoors through hiking, and embraces the vibrant energy of music festivals.

Alejandra

Veterinary Assistant

Alejandra joined the Arrow team in August 2023, but her love of the veterinary field dates back to when she was eight years old and accompanied the family dog to their first vet visit. She graduated with an associate degree in veterinary assisting from Platt College and plans to continue her education and eventually obtain her Registered Veterinary Technician license. Alejandra’s pets include three cats and two dogs. One of the cats is called Cookie, as her black and white coloring is reminiscent of an Oreo. In her free time, Alejandra loves attending music festivals, hiking, and camping with her family. 

Cecilia

Veterinary Assistant

Cecilia joined our Arrow Dog and Cat Hospital team as a Veterinary Assistant, driven by her lifelong passion for animal care. After completing her Bachelor of Arts in Psychology at Cal State University, Fullerton, Cecilia felt her true calling was in veterinary medicine. She is currently enrolled in the RVT program at Mt. San Antonio College and is eager to deepen her expertise. Cecilia's career in the veterinary field started with her wanting to find daily joy in her work, beginning as a kennel attendant and working her way up. She aspires to become a Registered Veterinary Technician (RVT), reflecting her profound commitment to animal health and welfare.

Beyond her professional ambitions, Cecilia is the devoted pet parent to two beloved terrier mixes, Uriel and Anakin, who brighten her every day. An outdoor enthusiast, she relishes exploring new hiking trails and values quality time with her family, friends, and her furry companions. When you visit Arrow Dog and Cat Hospital, be sure to extend a warm 'hello' to Cecilia!

Beysa

Vet Assistant

Beysa joined our team as a Veterinary Assistant in January 2025. Currently pursuing her Animal Science degree at Cal Poly Pomona with plans to attend Western University's veterinary program, Beysa's passion for animal care began when she started caring for neighborhood cats - a calling that grew stronger over time.
 
When she's not assisting with patient care, Beysa enjoys baking (especially her specialty, beignets!), watching movies, spending time with family, traveling, and playing volleyball. She shares her home with her cat Ollie, who loves to watch her bake in the kitchen.

Olivia

Veterinary Assistant

Olivia Hanley is a Veterinary Assistant at Arrow Dog and Cat Hospital, where she began her journey in June 2022. Born and raised in Upland, Olivia pursued her passion for animals by attending Cal Poly, San Luis Obispo, where she is currently working towards her B.S. in Animal Science, set to graduate in March 2024.

Olivia’s love for animals has been a lifelong inspiration, as she grew up surrounded by her own 12 beloved pets. Her interest in the veterinary field led her to start her Animal Science degree in the fall of 2020 and gain valuable experience through an equine internship in 2021. Her favorite aspect of working with animals is creating meaningful connections with the pets and their owners and being instrumental in aiding their recovery.

Even after a 13-hour workday, Olivia’s excitement to return to work the next day reaffirmed that she had found her true calling in the veterinary profession. Outside of her work at the hospital, Olivia enjoys spending time with her family, which includes her two younger brothers, mom, and dad. Her hobbies include going to the movies and writing movie reviews. At home, she cares for her own furry and scaly family, which includes two rabbits, three dogs, seven tortoises, and a vibrant collection of fish.

Osmara

Customer Service Representative

Osmara has been volunteering in animal hospitals since 2015 and began working in practices full-time in 2019 after earning her AA in Animal Science. Osmara is also a certified dog groomer. Osmara has loved and lived with animals her entire life, so a career in the veterinary field was a natural fit! She joined the Arrow Dog & Cat Hospital team this year! Osmara’s critter crew include two dogs, one cat, one rabbit, and two desert tortoises. In her free time, she enjoys grooming dogs, spending time with her animals, reading, and listening to audio books. 

Krystal

Receptionist

After an impressive 18-year career in law enforcement and over 25 years in customer service, Krystal followed her lifelong passion for animal care by joining our team as a Receptionist in January 2025. As she puts it, while she loves many things in life, her true passion has always been animals - not just loving them but caring for them, too. Having always had pets, Krystal considers it a dream come true to work in an animal hospital.
At home, she's surrounded by her beloved pets: a Husky named Hunter, a Golden Doodle named Mocha Frappe, and two cats—a Persian named Miso Soup and a Himalayan named Sushi Roll. Krystal enjoys taking Hunter on runs, hikes, and walks in her free time.

Tina

Practice Manager

Tina has always been a lover of animals, and being able to work with dogs and cats every day is a dream come true for her. She enjoys getting to know the different personalities and breeds of animals, as well as learning about diseases and treatments. Tina knew that working at Arrow Dog and Cat Hospital was the right profession for her when she started seeing all the dogs and cats that come in for care and got to know their owners. She also values the knowledge she gains from the doctor and staff that helps her take better care of her own pets.

Outside of work, Tina enjoys spending time with her family, which includes her husband, four adult children, and two dogs. She also likes traveling, quilting, and doing crafts in her free time.