Meet our Team

Our Doctors

Sherman Canapp
CO-FOUNDER & NATIONAL DIRECTOR OF REGENERATIVE, REHABILITATION AND SPORTS MEDICINE
Dr. Sherman Canapp, a Maryland native, performed his undergraduate work at University of Maryland Baltimore County and Towson University.
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Debra Canapp
MEDICAL DIRECTOR
Dr. Debra Canapp began her journey in sports medicine and rehabilitation with her certification in canine rehabilitation through the Canine Rehabilitation Institute in Loxahatchee, Florida in 2005.
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Christopher Leasure
ORTHOPEDIC SURGERY & SPORTS MEDICINE
Dr. Chris Leasure grew up in rural Washington County, Maryland. He pursued his undergraduate studies at the University of Maryland in College Park where he received his BS in Biology, with honors.
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Ryan Gallagher
SPINE CENTER/ NEUROLOGY
Dr. Ryan Gallagher completed his undergraduate degree in the wine country of northern California at Sonoma State University where he obtained a Bachelor of the Arts in Biology with Distinction.
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Nicole Chun
SPORTS MEDICINE & REHABILITATION RESIDENT
Dr. Nicole Chun received her Bachelor of Science in Animal Sciences from Oregon State University in 2011 before graduating from veterinary school in 2015 from the University of California, Davis.
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Chris Zink
VETERINARY SPORTS TRAINER
Chris Zink is our canine Sports Medicine Consultant, evaluating canine structure and locomotion and designing individualized retraining and conditioning programs for canine athletes
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Jonathan Dyce
ADJUNCT ASSOCIATE
Dr. Jonathan Dyce graduated from University of Cambridge (UK) in 1989 and remained there to train as an orthopedic surgeon.
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Stephanie Majeski
ORTHOPEDIC SURGERY
Dr. Stephanie Majeski completed both her undergraduate and her master’s degrees at Georgetown University in Washington, DC. She attended the University of Pennsylvania to obtain her veterinary medical degree.
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Helen Tsoi
RESEARCH FELLOW
Dr. Tsoi attended Stony Brook University for her B.S. in Biology.
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Management & Staff

Christina Villegas
PRACTICE MANAGER
Christina Villegas is VOSM's practice manager. She coordinates all hospital staff, schedules, and makes sure that our many valued clients receive exceptional care and service.
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Iris Lindstadt
FLOOR MANAGER
Iris is an integral part of VOSM's daily operations. She manages the doctors' schedules and makes sure the hospital is staffed appropriately depending on doctor schedules.
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Alyse Carter
RESEARCH DEVELOPMENT AND EDUCATION COORDINATOR
Alyse has a Bachelors in Environmental Science and Policy form the University of Maryland.
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Heather Amos
CERTIFIED CANINE REHABILITATION PRACTITIONER
Heather holds a Bachelor of Science degree in Psychology and an Associates degree in Veterinary Technology.
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Stephanie Stark
CERTIFIED CANINE REHABILITATION ASSISTANT
Stephanie holds a Canine Rehabilitation Assistant Certification through the Canine Rehabilitation Institute.
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Liz Walls
REHAB TECHNICIAN
Liz assists in our Rehab department. She is responsible for being with our patients through their rehab appointments.
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Sarah Hitman
REHAB TECHNICIAN
Sarah assists in our Rehab department. She is responsible for being with our patients through their rehab appointments.
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Sierra Boyd
REHAB TECHNICIAN
Sierra assists in our Rehab department. She is responsible for being with our patients through their rehab appointments.
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Christopher Russell
REHAB TECHNICIAN
Chris assists in our Rehab department. He is responsible for being with our patients through their rehab appointments.
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Dayle Dempsey
REHAB TECHNICIAN
Dayle assists in our Rehab department. She is responsible for being with our patients through their rehab appointments.
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Sonja Hitman
SURGERY TEAM LEAD
Sonja is a Registered Veterinary Technician. She is the surgery team lead and has been employed at VOSM for 11 years.
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Victoria Williams
SURGERY TEAM
Victoria assists before, during, and after surgery. Victoria is currently in vet school and specifically works with Dr. Gallagher and our MRI machine when she's not in the OR.
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Alyssa Tucker
SURGERY TEAM
Alyssa is a surgery tech. She is currently pursuing a degree in Animal Behavior. Her goal is to study the behavior of wildlife in different regions.
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Joanna
SURGERY TECH
Our Surgery Team consists of some of the hardest working people. Joanna is responsible for assisting our surgeons during operations.
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Michael
INVENTORY & FACILITIES
Michael is responsible for making sure our equipment is functioning properly and our supplies are fully stocked.
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Ally Canapp
CLINICAL COORDINATOR
Ally works with Dr. Sherman Canapp. She assits with consults and coordinates his schedule.
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Ashley Lindstadt
OUTPATIENT TECH
Ashley is a tech in the Outpatient department. She specifically assists Dr. Leasure and Dr. Dycus during their consults.
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Alexa Vesek
OUTPATIENT TECH
Alexa has been a technician since 2006. Alexa previously worked in general practice, critical care, and neurology.
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Jeff Curry
RESEARCH TECHNICIAN
Jeff has a Bachelors Degree in Wildlife Biology. He used to work for the government, but decided VOSM was a better fit for him.
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Patti Sibly
CLIENT SERVICES REP
Patti assists patients during the check-in and check-out process of their visits.
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Paris Queen
CLIENT SERVICES REP
Paris assists patients during the check-in and check-out process of their visits.
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Contact Us
Veterinary Orthopedic & Sports Medicine Group
Location
10975 Guilford Rd, Ste B Annapolis Junction, MD 20701
Hours
Mon-Fri: 8 AM to 6 PM
Sat: 8:30 AM to 4 PM