Cathy Carlson, D.V.M, Ph.D., Diplomate A.C.V.P. 
Director, Comparative Pathology Shared Resource 
Veterinary Anatomic Pathologist
Office: 435H Animal Science/Veterinary Medicine Building 
612-625-7717 
carls099@umn.edu 

Gerry O'Sullivan, M.V.B., Ph.D., Diplomate A.C.V.P. & ECVP
Veterinary Anatomic Pathologist
Office: 385D Animal Science/Veterinary Medicine Building
612-625-3254
gos@umn.edu
Contact Dr. O'Sullivan for questions regarding experimental design and pathology analysis.

Melissa Schutten, D.V.M, Ph.D., Diplomate A.C.V.P.
Veterinary Anatomic Pathologist
Office: 435G Animal Science/Veterinary Medicine Building
612-625-4256
mschutte@umn.edu

Tim O'Brien, D.V.M., Ph.D., Diplomate A.C.V.P.
Veterinary Anatomic Pathologist
Office: 254 Veterinary Diagnostic Laboratory
612-625-8175
obrie004@umn.edu

Leslie Sharkey, D.V.M., Ph.D., Diplomate A.C.V.P.
Veterinary Clinical Pathologist
Office: E332 Veterinary Diagnostic Laboratory
612-624-6171
shark009@umn.edu
Contact Dr. Sharkey for questions regarding clinical pathology (blood smear and CBC interpretation).

Josh Parker, Scientist
Administrator
Office: 495 Animal Science/Veterinary Medicine Building
612-625-9770
park0463@umn.edu

Paula Overn
ASCP and QIHC Certified Histologist/Immunohistochemist
Office: 225 Animal Science/Veterinary Medicine Building 
612-624-2242 
overn003@umn.edu
Contact Paula Overn  for any technical questions regarding histology and immunohistochemistry.

Additional veterinary pathology expertise is provided by Dr. Roland Gunther.