Jennifer Hummel, DVM

Rolesville, Louisburg, Forestville

Dr. Jennifer Hummel grew up in Wilson, North Carolina, and has practiced veterinary medicine for more than 20 years. She joined Rolesville Veterinary Hospital in 2008 and now sees patients at both Rolesville Veterinary Hospital locations, in Rolesville and at Forestville Crossing, as well as at their sister practice, Louisburg Veterinary Clinic.

Her work centers on surgery, emergency medicine, exotic animal care, and integrative medicine, with a special focus on orthopedics. Working with Orthomed, she offers advanced knee procedures that are usually found only at specialty hospitals, including the MMP for cruciate ligament tears and the Ridgestop Procedure for luxating kneecaps. She works hard to keep that level of care affordable for families.

Helping pets age gracefully is one of her greatest joys. For pets with arthritis or joint problems, she offers PRP and joint injections, and she can fit braces or prosthetics when a pet needs extra support.

Dr. Hummel blends Eastern and Western medicine to care for the whole pet. She is trained in canine and feline acupuncture, has studied food therapy and herbal medicine through the Chi Institute, and is a USDA-accredited veterinarian.

Outside the clinic, she stays busy with her husband, her daughter Quinn, her two stepchildren, and a household of dogs, cats, and chickens. She loves working in her garden and staying active.

Colleen Sawyer, DVM

Rolesville

Dr. Sawyer earned her DVM degree with honors from North Carolina State University College of Veterinary Medicine in 2009. She was granted membership to Phi Zeta, the Veterinary Honors Society, for academic achievement. After veterinary school, she completed an internship in small animal medicine and surgery at Virginia-Maryland Regional College of Veterinary Medicine in Blacksburg, Virginia. She has been in private practice ever since. Dr. Sawyer’s veterinary interests include feline medicine, dentistry, ultrasound, and nutrition.

Dr. Sawyer graduated cum laude from Truman State University in Kirksville, Missouri with a B.S. in Biology and a minor in Military Science in 1997. She then served in the United States Army Medical Service Corps, where she achieved the rank of Captain. While in the 82nd Airborne Division, she became a Jumpmaster, earned her Senior Parachutist badge, and served overseas in Afghanistan. Outside of work, she enjoys cycling, running, and swimming. She and her husband Robert have two cats (Scruffy Cat and Abby) and one dog (a yellow lab named Summer).

Nicholas Sterlacci, DVM

Rolesville, Louisburg

Dr. Sterlacci graduated from St. George’s University School of Veterinary Medicine in 2009. He has practiced in upstate New York and Northern New Jersey before joining Rolesville Vet Hosp in 2020. Previous to veterinary school, he graduated from Wagner College in Staten Island, NY.

Dr. Sterlacci has lived in NYC, Pennsylvania, Grenada (Caribbean Island), and Upstate New York, before relocating to Raleigh in 2020. Outside of work, he plays hockey as a goalie, rides his motorcycle, gardens, and tries to hike when he can.
He shares his passion for veterinary medicine with his wife Jackie (also a vet), his dogs (Grayson and Drake) and cats (Harvey and Slade).

Jasmine Glasco, DVM

Rolesville, Louisburg, Forestville

Dr. Jasmine Glasco attended North Carolina State University for her undergraduate studies and veterinary medical degree, graduating in 2015. She has special interests in wound therapy, large wound management, and preventative medicine. Dr. Glasco loves to teach, including mentoring young veterinarians and educating clients about their pets. She also enjoys creating lasting relationships with pet parents and their pets.

You can find Dr. Glasco working out at Burn Boot Camp, meditating, or practicing yoga outside of work. She also loves to try out new recipes and spend time with her significant other. Dr. Glasco is excited to be part of the Rolesville Veterinary Hospital family!

Jacqueline Chaffer, DVM

Rolesville

Dr. Jacqueline Chaffer is a native of New York and joined Rolesville Veterinary Hospital in July 2024. She attended veterinary school in the beautiful South Caribbean island of Grenada at St. George’s University School of Veterinary Medicine and did her clinical year at University of Minnesota College of Veterinary Medicine. Upon graduation in 2008, she worked at various small animal hospitals in Long Island, Rockland County and the Hudson Valley before migrating and taking the Southern plunge in 2020 to the Raleigh area. She has worked in the Raleigh area for the last 4 years and comes along with her husband, also a veterinarian in the Vets Pets Universe at our sister hospital Louisburg Veterinary Hospital. They currently have 1 and 7/8 mixed breed dogs, Drake (Rottie/Lab mix) and Babs (tripod Frenchie/Bully mix), and 2 domestic shorthair cats, Harvey and Slade. Dr. Chaffer has interests in medicine, ultrasonography, dentistry, acupuncture/rehab and does see some exotic pets. She was a wildlife rehabilitator in NY and hopes to continue that while here in NC and now at Rolesville Vet Hospital. She is an accredited Fear Free veterinarian and hopes to make all pets a little less stressed about visiting the “big bad vet.” In her spare time, she enjoys cooking, visiting new restaurants and craft breweries, doing yoga and Zumba, gardening, and is an avid football and hockey fan (both college and professional).

Kimberly Donahue, DVM

Rolesville

Dr. Kimberly Donahue is a Nevada native, who has been practicing veterinary medicine in North Carolina since 2006.  She earned her Bachelors degree in Animal Science from the University of Nevada, then went on to earn her DVM degree from Texas A&M University in 2001.  Following graduation, she practiced medicine for 5 years in Las Vegas before moving to the Raleigh area.  Dr Donahue has special interests in dermatology, internal medicine and senior pet care.  She is a certified Fear Free veterinarian and strives to make visits to our hospital less stressful for your pet.  When not at work, Dr. Donahue enjoys hiking, baking, sewing and spending time with her husband and three children.  She and her family share their home with their two cats, Siena and Hermione and their rambunctious Vizsla, Hobbes. 

Courtney Hamilton, DVM

Rolesville

Dr. Courtney Hamilton is a Raleigh native who graduated from NC State University in 2018 with a B.S. in Zoology. She then continued her education at NC State University’s College of Veterinary Medicine and graduated with her DVM in 2023. She worked in other small animal hospitals in the Triangle area before joining the Rolesville Veterinary Hospital team in 2025!

Dr. Hamilton has special interests in dermatology, oncology, neurology, and internal medicine. She is passionate about delivering the highest quality of care and compassion to all of her patients, which include dogs, cats, and exotic pets.

In her free time, Dr. Hamilton enjoys baking, traveling, spending time with her corgi Ruby, and playing video games.

Lauren Hirsch, DVM

Rolesville

Dr. Hirsch earned her undergraduate degree at NC State University in 2021. She received a graduate certificate in Veterinary Forensic Science with the University of Florida before earning her doctorate at NC State College of Veterinary Medicine in 2026. Dr. Hirsch has special interests in surgery, exotics, cytology, and diagnostic imaging.

Dr. Hirsch currently has a 6-year-old black cat named Darwin, and plans to get another kitten soon. Outside of work, Dr. Hirsch plays Quadball, a full contact co-ed sport based on Quidditch from Harry Potter. She also enjoys working out, yoga, dancing, and traveling.

Sarah Klawiter, DVM

Rolesville

Dr. Sarah Klawiter is a Raleigh-area native and earned her undergraduate degrees in Zoology and Poultry Science from North Carolina State University. She then received her DVM from The Ohio State University College of Veterinary Medicine. Following veterinary school, Dr. Klawiter practiced small animal general medicine and urgent care in Texas for several years before returning home to North Carolina to be closer to family.

Her clinical interests include urgent care, internal medicine, behavior, preventative care, and wound management. Dr. Klawiter is dedicated to

client education and patient-centered medicine, striving to make every visit as clear, collaborative, and low-stress as possible for both pets and their owners.

Outside the clinic, Dr. Klawiter enjoys spending time with her husband, Austin, and their daughter.  They share their home with four rescue pets: a Chihuahua mix named Maeve and three cats, Zipper, Marceline, and Kida. In her free time, she enjoys traveling, gardening, cooking, playing video games, and reading epic fantasy novels.

Melissa, Practice Manager & Field Operations Director 

Rolesville

Melissa has been working in veterinary medicine for more than 20 years. She and her husband Chris have a very spoiled beagle named Mabel. In her free time, she enjoys spending time with her family and always looks forward to college basketball. (GO DUKE!!!) She also enjoys making cakes. Melissa feels blessed to have a job that she has so much passion for.

Lexi, Practice Manager

Forestville

Lexi has been with Vets Pets since October 2016. She graduated from North Carolina State University in 2019 with a Bachelor of Science in Animal Science and a minor in Nutrition and is currently pursuing her MBA through NC State’s Jenkins MBA program. Throughout her time with Vets Pets, she has grown into her role as Practice Manager and enjoys supporting her team while creating a positive experience for patients and their families. Outside of work, Lexi enjoys spending time with her husband, family, and friends, traveling, exploring new restaurants, and cheering on the NC State Wolfpack.

Michaela, Practice Manager

Louisburg

Michaela started her career in veterinary medicine in 2018. She has a passion for helping animals as well as people. She joined Louisburg Veterinary Hospital in 2020 and is currently achieving her associates degree in veterinary technology online.

In her free time she enjoys spending time with her husband, friends and family, outdoor activities such as fishing and gardening, participating in mission work with her church, and of course spending time with her fur babies.

Felicia, Assistant Manager 

Rolesville

Felicia Williams has been working with Rolesville Veterinary Hospital as Assistant Manager of Clinical Services for a year and a half.  She has been with the Vets Pets Team for over five years. Felicia graduated from the Vet Tech Program with Miller Motte College in 2018 and graduated from North Carolina A & T State University in 1998 with a degree in Psychology. In her spare time, Felicia enjoys reading and volunteering with her friend’s mobile vet that offers free vet services to those in need.  Felicia is the mother of three two-legged children and hopes to add a four-legged baby to her family in the near future.

Brooke Leicht, Assistant Manager, RVT

Rolesville

Brooke attended Northern Virginia Community College’s Veterinary Technician program and became a Licensed Veterinary Technician in 2006.  After moving to North Carolina she took time away from the vet field to raise her children.  Brooke started at Rolesville Vet in 2015 as an RVT and became ICU/SX Assistant Manager in 2022.  Along with her husband, she spends most of her free time at a ballfield watching the kids play, camping or travelling. Brooke has 2 rescue dogs that complete the family.

Andrea Silverberg, Client Services Manager

Rolesville

Andrea has been working in the animal industry for over 25 years, and her love for animals has always been at the heart of what she does. At home, she considers herself lucky to share life with her Doberman, Pitbull, Boxer, and her cat – animals are definitely a big part of her world!

When she is not working, she loves spending weekends outdoors, enjoying good food, watching football, and making memories with good friends. She is happiest when surrounded by great people, amazing animals, and the things she loves most.