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Our Doctors & Management Staff

Ryan Christensen, DVM

Dr. Ryan E. Christensen received his Bachelor of Science in Biology with a minor in Chemistry from Monmouth University, where he graduated with magna cum laude honors in 1998. He then pursued his Doctorate of Veterinary Medicine at Iowa State University's College of Veterinary Medicine, graduating with honors in 2002 and immediately joining Tranquility Veterinary Clinic. Throughout his education, Dr. Christensen worked as a veterinary technician in several hospitals in New Jersey. While at Iowa State University, his experience focused on small animal medicine and surgery, including a surgical externship at the Nebraska Humane Society in Omaha. Dr. Christensen's professional interests include small animal surgery and laser surgery, and he is a member of the AVMA and NJVMA.

When he is not at the clinic, Dr. Christensen's favorite activities are spending time with his family, mountain biking, and making trips to the Jersey Shore. He currently resides in Lake Tranquility with his wife Donna, their sons Riley, Nicholas, and Jack, two cats, and a dog.


Linda Krotje-Wall, DVM, Diplomate ACVIM

Dr. Linda Krotje-Wall earned her Doctorate of Veterinary Medicine from Ohio State University's College of Veterinary Medicine in 1978. Following this, she was employed for five years in a small animal practice in West Hartford. Dr. Krotje-Wall went on to complete a Small Animal Internal Medicine residency at Iowa State University from 1985-1987, and then held the position of clinical instructor in small animal medicine from 1987-1989. In 1988, she received board certification in Small Animal Internal Medicine.

In 1990, Dr. Krotje-Wall and her husband, Dr. Keith Wall, returned to Green Township to live on the farm where she grew up. Dr. Krotje-Wall works part-time at Tranquility Veterinary Clinic, where her special interests are general medicine, dermatology, and ultrasonography. Outside of the hospital she is busy operating a small beef farm. She also owns a horse and a black lab named "Happy"


Michelle Hewitt, DVM

Dr. Michelle Hewitt studied at the College of St. Elizabeth, where she received her Bachelor of Science in Biology with a minor in Chemistry, and then the North Carolina College of Veterinary Medicine, where she received her Doctorate of Veterinary Medicine in 1997. Upon completing her veterinary degree, Dr. Hewitt returned to New Jersey and joined Tranquility Veterinary Clinic, where she has practiced since. She is a member of the AVMA and NJVMA, and her special interests include renal disease, endocrine disease, dermatology, and geriatrics.

Dr. Hewitt enjoys working with the talented and caring staff at Tranquility, as well as working on a team with her accomplished colleagues. Best of all, she enjoys helping provide an excellent quality of life for pets and their families. A pet lover herself, Dr. Hewitt is the proud owner of two rescued cats and a rescued dog. In her free time, she volunteers her services at Father John's Animal House, helping pets in need.


John Roberts, Practice Manager

John has been with Tranquility Veterinary Clinic since November 2002 and began working as Practice Manager in October 2013. He keeps busy in his spare time helping his wife manage a household of three dogs, two cats, and two young children.



Technicians & Reception Staff

Kyle Stickle, Head Technician

Kyle has worked at Tranquility Veterinary Clinic for six years and served as Head Technician for two. He is currently working toward his associate degree in Veterinary Technology. In his spare time, he enjoys fishing in the Wallkill River and hiking with his three labs.


Darlene Greene, Technician

Darlene has been with Tranquility Veterinary Clinic for nine years. She has been happily married for over twenty five years and is the proud mother of four children. During her free time, Darlene enjoys spending time with her family and watching college football. Her pet family includes three dogs, four cats, and two horses.


Mackenzie Hogan, Technician

Mackenzie has worked at Tranquility Veterinary Clinic for six years. She is currently enrolled at SCCC, pursuing a career in nursing. Mackenzie loves spending her spare time with her dogs, Duke and Bowie.


Carrie Hornung, Technician

Carrie has been with Tranquility Veterinary Clinic for three years. She resides in Allamuchy with her husband of ten years and their two daughters. Their family also includes three dogs, six cats, two horses, and a rabbit. Carrie leads her daughters' Girl Scout troop and enjoys taking the girls to gymnastics and horse shows.


Bonnie Van Grouw, Technician

Bonnie has worked at Tranquility Veterinary Clinic for two years. She plans to study veterinary technology. In her free time, she enjoys riding her horse Callie and hunting with her boyfriend and her dog.


Bonnie Haggerty, Receptionist

Bonnie has been with Tranquility Veterinary Clinic for twenty years. In her free time, she loves gardening, going for motorcycle rides, and spending time with her husband Steve. Bonnie and Steve are the proud pet parents of a Corgi named Dually.


Carrol Houghtaling, Receptionist

Carrol has worked at Tranquility Veterinary Clinic for nineteen years. Outside of the clinic, she has provided a loving home to numerous cats in need. Presently, she enjoys the company of her three cats, Furrari, Murray, and Bandit.


Amanda Baldwin, Receptionist

Amanda has worked at Tranquility Veterinary Clinic for eight years. Growing up on a farm, she has always had a love for animals. In her spare time, Amanda enjoys hiking, gardening, and going to the movies.


Sharon Sutton, Receptionist

Sharon has been at Tranquility Veterinary Clinic for two years. She truly enjoys helping clients and their pets. An avid animal lover, Sharon and her husband Doyle share their home with three dogs, two cats, and two goats.


Our Students

Tranquility Veterinary Clinic is proud to hire high school and college students as support staff, and we have enjoyed seeing many of these quality students continue their education to become veterinarians. Congratulations to Dr. Tom Perell, Dr. Michael Fraysee, Dr. Susan Iliff, Dr. Jay Broskovitch, Dr. Karen Rose Glenn, Dr. Mary O'Connor, Dr. Jenn Giuricich, Dr. Becky Stock, Dr. Katie Wilson, Dr. Matt Brady, and Dr. Steve Baldwin! We are so proud of our former employees!