Our caring and compassionate veterinary care team!

Meet the Veterinarians & Team of Cross Keys Animal Hospital in Williamstown! We’re pleased to provide exceptional vet care for your pets!

Dr. Deborah Masso


Dr. Deborah Masso received her undergraduate degree in Animal Science with a minor in Pre-Veterinary Medicine from Rutgers University in New Brunswick, New Jersey in 1993. She received her doctorate in veterinary medicine from the Ohio State University College of Veterinary Medicine in 1997. Dr. Masso, along with Dr. Van Kooy, opened Cross Keys Animal Hospital in 2001. She is a member of the New Jersey Veterinary Medical Association and the American Veterinary Medical Association. Dr. Masso resides in New Jersey with her husband and four children. Her pets include two dogs and one cat.

Dr. Ruth Ann Wilson


Dr. Ruth Ann Wilson came to New Jersey from White Sulphur Springs, West Virginia. She received her doctorate in veterinary medicine at the University of Georgia College of Veterinary Medicine. Dr. Wilson developed an interest in alternative medicine and is a Certified Acupuncturist. She uses acupuncture to treat hip dysplasia, arthritis, feline urine spraying, kidney disease plus an array of other ailments along with offering traditional medical treatments. Dr. Wilson is an active board member of the Pitman Rotary Club. She resides in New Jersey with her husband, two sons, four cats, and one dog.

Dr. Alyssa Quinn


Dr. Alyssa Quinn, a South Jersey native, earned her bachelor’s degree at Lafayette College during which time she also volunteered as an animal caretaker at the Live Animal Center at the Academy of Natural Sciences in Philadelphia and participated in a summer externship at a veterinary clinic in London. She went on to earn her veterinary degree from the University of Pennsylvania. During her time at Penn, Dr. Quinn worked with Native American Veterinary Services, an organization that provides spays, neuters, and vaccinations to animals on reservations throughout Arizona and New Mexico. Her areas of interest include preventative medicine, internal medicine, and client education. When not at the office, Dr. Quinn enjoys spending time with her husband, Matt, and their two dogs Gracie and Ollie.

Dr. Molly Hosier


Dr. Molly Hosier is a long time South Jersey resident, growing up in West Deptford. She received a BS in Chemical and Biomedical Engineering from Carnegie Mellon University in Pittsburgh, PA. She worked as a product development scientist for Reckitt Benckiser for 6 years before having a change of heart and going back to veterinary school. She obtained her Veterinariae Medicinae Doctoris (VMD) from the University of Pennsylvania. While there, she acted as the Academic Liaison for her class, worked on a research project involving feral swine with the USDA, and had a 6-week externship with the CDC involving a meningitis outbreak in Chicago. Dr. Hosier joined the Cross Keys Animal Hospital in December 2019.

Dr. Hosier has a special interest in chickens and spent summers during veterinary school working with Dr. Sherrill Davison at the Pennsylvania Animal Diagnostic Laboratory System (PADLS), New Bolton Center. She is currently volunteering in an advisory role for the Haddon Township Hens Pilot Program. Her other interests include dermatology, nutrition, preventative medicine, and infectious diseases. Dr. Hosier is Fear-Free certified and plans to continue working towards stress-free exams for dogs and cats at the Cross Keys Animal Hospital.

When not at the hospital, Dr. Hosier enjoys singing in her church choir, baking, reading, and spending time with her fiancé, Marc. She is very close to her family who also reside in South Jersey. Dr. Hosier has a mixed breed rescued dog named Mya, and two rescued greyhounds, Daisy and Shafer that she loves and enjoys spending time with.

Dr. Ana Mayoral


Dr. Ana Mayoral is originally from Spain. She obtained her degree in Veterinary Medicine from the University of Córdoba. She has since worked as a small animal practitioner first in Spain, and more recently in the United States. She also volunteered her time at a large cat sanctuary during her time in Jacksonville, Florida. Dr. Mayoral has a special interest in dentistry and feline medicine. She now resides in New Jersey with her husband, daughter, their two dogs and three cats.

Dr. Cate Potchen


Dr. Cate Potchen was born and raised in Philadelphia. She received her undergraduate degree from La Salle University in 2011, and her degree in veterinary medicine from the University of Pennsylvania School of Veterinary Medicine in 2015. Dr. Potchen worked as a veterinary technician for 6 years while in school. She joined Cross Keys Animal Hospital as an Associate Veterinarian in 2021. Her professional interests include preventative medicine, internal medicine, and feline medicine. She currently resides in South Jersey with her husband, children, 2 dogs and 1 cat.

Front Desk Team:


Racquel was a client with us before joining our team in 2007!  She has loved watching the hospital grow and being a part of supporting our clients.  In her spare time she adores being a grandmother and spending time with her two grandchildren.   Racquel also shares her home with two dogs and one cat.


Jackie is a receptionist here at Cross Keys. She is the happiest when she’s surrounded by animals. Jackie has been a crazy cat lady since day one, she currently has 4 cats of her own. When Jackie is not at work she enjoys knitting, cooking and being down the shore.


Gennifer started her animal career in high school when she interviewed a veterinarian for her senior project and got a part time job in the kennel that was part of the clinic.  During her 20+ years working with animals she’s held many positions including pet photographer, boarding facility manager, volunteer at Cedar Run and an intern at the Philly Zoo.  She has an associates in Biology and Business Administration from Camden County College and a bachelors in Zoology from Delaware Valley University.  She lives with 2 dogs and 4 cats (all of whom came from work) and a 20 year old snake named Gem.  Her hobbies include crafting, reading, gardening, and camping with her family.


Brittany joined our team in 2023 after several years working in banking.  She has always loved animals so shifting into a veterinary career seemed like a great step.  She has a small zoo at home that includes one dog, three cats, 2 guinea pigs, and 3 chickens.  When not at work, Brittany volunteers at her church and spends times with her two sons.


Gianna grew up spending time in nature with her dad which sparked a love of the outdoors and animals.  They would spend time on nature walks and going fishing and her love of being outside continues today.  She joined our team to help animals and advocate for them since they don’t have a voice to advocate for themselves.  While she loves animals, she also has an interest in skin care and hygiene and plans on attending school to become a  licensed esthetician.   Gianna has two cats of her own, Sylvester and Adrienne, who are both rescues.


Nikki is a part time member of our front desk team and she works in Horsham for her full time work.  She started her career in veterinary at an emergency/specialty hospital before moving into general practice at CKAH.  With an interest in astrology, Nikki can tell you about any sign in the zodiac and loves chatting with people and getting to know them.  In her spare time, she manages her own pet sitting business.


Cheyenne has been a part of our front desk since 2020.  Growing up, she always had a passion for animals and helping them so starting a career in veterinary was a logical step.  She has 6 cats at home that range from 3 years to 17 years!  When not in the office, Cheyenne enjoys reading, horseback riding, shopping and relaxing.

Megan R

Megan has always loved animals and is passionate about helping them.  She loves to cook and bake and volunteers those talents to help prepare food for families in need during the holidays.  She is the proud owner of three cats and prides herself on spending her spare time trying new restaurants and traveling.  She has recently started to train as a technician and has been enjoying picking up new skills and working more closely with patients.

Bios coming soon

Kristin G, Ana, and Jessica

Technician Team:


Certified Veterinary Technician

Debbie has been a part of the Cross Keys team since 2005.  She received her Associates Degree in Applied Science and went on to pass her boards to become a certified veterinary technician in the state of NJ.  She has always had a love for all animals but her passion belongs to horses and dogs.  She has competed in local horse shows, had a horse of her own named Beaver, and continues to care for 3 horses via a part time position at a local farm.  She developed an interest in canine behavior and training while working in the veterinary field and enjoys participating in training classed with her dog, Lincoln.  Lincoln is a 5 year old boston terrier who is a typical momma’s boy.  He loves to steal socks and washcloths in his free time.  In her free time, Debbie enjoys crafts, local diners, collecting succulents and picking up the socks and washcloths that Lincoln leaves around the house.


Certified Veterinary Technician

Jennifer has been part of our veterinary technical team since 2006. She received her Associates Degree in Applied Science from Camden County College and passed her boards to become a Certified Veterinary Technician in the State of New Jersey. Jennifer has 3 cats.


Bonnie is one of our technicians here at Cross Keys. She has been part of the technical team since 2011. Bonnie lives in New Jersey with her husband, two children and her two dogs.


Certified Veterinary Technician

Jenn has been part of our veterinary technical team since August 2012 when she started as an intern. She received her Associate’s Degree in Veterinary Technology from Camden County College and went on to pass her boards to become a Certified Veterinary Technician in the State of New Jersey. Before becoming a veterinary technician, Jenn was an art major and a hairdresser. She has three dogs and four cats.


Certified Veterinary Technician

Cali is a life-long learner and is working toward attending veterinary school and opening her own practice.  She joined the CKAH team in 2021 and graduated from Camden County College with a degree in Veterinary Nursing in 2022.  She passed the VTNE this year and finalized her license to become a Certified Veterinary Technician.  Not only does she work with domestic animals but she volunteers at Cedar Run to helps injured and orphaned wildlife in their animal hospital.  With what little free time she has, Cali enjoys painting and crafting and is learning ASL and Korean.


Kristin originally joined CKAH as an intern in 2015.  She was previously a licensed practical nurse (LPN) working in human hospice care before deciding to make a career shift.   Kristin quickly completed her Veterinary Technology degree at Camden County College and became a full time member of our team.  She is very active in the local rescue community and works closely with our rescue partners as well as other rescues to promote awareness of their efforts, fundraise and even foster animals in need.   As you can tell by the photo, she loves giraffes and would love to add one to her pet list that currently includes one dog, 4 cats, and some fish.


Kelly completed her Associate’s Degree in Veterinary Technology at Camden County College and is studying to become a Certified Veterinary Technician.  A true outdoor person, Kelly raises honey bees and enjoys doing pressed flower art.  Her ultimate dream would be to own her own farm!  She is a steadfast Phillies fan and was excited to show her team pride when they were in the NLCS finals in 2023.


Autumn is a part of our technical staff and has a passion for all animals and the medical field.  She’s currently working towards a degree in nursing to work in human medicine and is completing an internship at a nursing home.  She is an avid outdoors woman and a sweet tea enthusiast!  When not at work, Autumn enjoys spending time with her 4 year old dog Maverick who is a crazy, loveable german shorthair pointer.


Emily joined us as an intern while she was completing her Associate’s Degree in Veterinary Technology from Camden County College.   She graduated in May 2019 and became a full time member of our team shortly thereafter.  Emily loves crafting and regularly makes items for the staff using her cricut machine.  An avid reader, Emily enjoys the science fiction genre such as Game of Thrones.  She also enjoys watching the Phillies and rooting for the team.


Katia joined our team in 2020 after graduating from Camden County College’s technician program.  She is working towards becoming a Certified Veterinary Technician and studying to take the VTNE.   Kat is also active in the local rescue community and fosters for Maine Coons and More Rescue.  A true creative mind, Kat enjoys designing and creating her own jewelry!  She spends her free time with her dog and her husband.


Victoria has wanted to work with animals since she was 5 years old.  She completed an associates degree in equine science  from Rowan College of South Jersey and will complete her veterinary nursing degree in 2024.  While completing her degree she works park time with us as well as gaining experience in emergency and specialty care at Mount Laurel Animal Hospital.  A true animal lover, Victoria is momma to 6 pets including a pitbull mix, a bichon, 2 cats, and 2 guinea pigs.  She is a huge fan of Halloween and has been spending what little free time she has renovating her home.


Claudia’s original career path was to a be a lawyer. She had always loved animals but hadn’t really thought about a career with them until she saw a posting for a position at CKAH.  Once she started with us she couldn’t deny that this was the path for her.  Claudia is a momma to 3 cats aging from 9months to 9 years old.  She is passionate about animal rescues and helping animals in need and is energetic about educating our clients.  In her spare time she writes poetry and bakes and is a talented singer (although she’s shy about showing off her karaoke skills).


Gabrielle was a client before joining our team in 2023.  She has loved animals as long as she can remember and worked in an office before finally deciding to make the career change.  She is passionate about suicide awareness and wildlife conservation and enjoys spending time outside in her garden or sitting by the fire in the fall.  She currently has one dog and lost her other in August 2023 to lymphoma after raising him from a puppy.  She is also a mom to 4 cats and a savannah monitor that is over 3 feet long!


Megan is a jack of all trades at CKAH and works primarily as a technician but can also help out at the front desk.  She has a masters degree in English and decided to move into veterinary medicine to work with animals.  A traveler at heart, Megan loves to explore new places and her favorite is Italy.  She goes whenever she is able and loves to sample the food and see new areas.  Megan is learning Italian to help make her travels through the country easier.

Bios coming soon:

Maggie and Giana

Kennel Team:


Dominique joined our team in 2022 while attending high school.  She plans to go to vet school so starting out with us seemed like a great fit to get experience and see what the field is all about.  She has 4 dogs including a french bulldog, two english bulldogs, and a boston terrier and is also the owner of a 3 year old hedgehog.  She enjoys going to the beach and spending time with her dogs.


Mia has a lot of interests including baking, reading, music and theatre.  She’s currently attending high school and is part of the NHS.  She’s interested in becoming a veterinarian and jumped at the chance to join our team and gain more experience.  She enjoys being able to make animals feel better and uses her crochet skills to make cat toys for the cats at Homeward Bound Animal Shelter.  Her family owns two dogs, Millie and Flynn, a cat named Belle, and a hermit crab named Frank.