Our Pathologists
Dr. Michael Tomlinson, D.V.M., Ph.D
Lead Pathologist
Dr. Tomlinson, Lead Pathologist at Wax-it Histology Services Inc., brings a wealth of knowledge and over 30 years of experience in Veterinary Pathology and Toxicologic Pathology. He became involved in Medical Product/Device and Toxicologic Pathology in the 80's and has been a Toxicologic Pathologist since 1990. He has held a number of prominent positions over the years, including Staff Pathologist and Laboratory Manager for Pathology Associates Inc., Chicago, IL, Staff Pathologist for Bristol-Myers Squibb, Director of Pathology for SNBL-USA, Ltd., and Staff Pathologist for CRL, Nevada. learn more 
Dr. Tomlinson, Lead Pathologist at Wax-it Histology Services Inc., brings a wealth of knowledge and over 30 years of experience in Veterinary Pathology and Toxicologic Pathology. He became involved in Medical Product/Device and Toxicologic Pathology in the 80's and has been a Toxicologic Pathologist since 1990. He has held a number of prominent positions over the years, including Staff Pathologist and Laboratory Manager for Pathology Associates Inc., Chicago, IL, Staff Pathologist for Bristol-Myers Squibb, Director of Pathology for SNBL-USA, Ltd., and Staff Pathologist for CRL, Nevada. Dr. Tomlinson founded Nova Pathology PC in 2003, a Washington-based consulting organization that provides Toxicologic Pathology services to the CRO, Pharmaceutical, Biotech, and Medical Device industries. Dr. Tomlinson was certified as a Diplomat of the American College of Veterinary Pathologists in 1981, and is a full member of the Society of Toxicologic Pathology and the American College of Toxicology. Dr. Tomlinson received his D. V. M. from Auburn University in 1972 and his Ph.D. in Veterinary Pathology from the University of Georgia in 1979. collapse 
Dr. Cathy Carlson, D.V.M., Ph.D
Consulting Pathologist
Dr. Carlson brings over 24 years of expertise in Veterinary Pathology, with specialization in bone and cartilage pathology. After completing her D.V.M. and Ph.D, she was supported by an individual NIH postdoctoral fellowship at North Carolina State University where she studied the pathogenesis of Osteochondrosis. She then joined the faculty in Comparative Medicine at Wake Forest University, where she served as head of the pathology group. Dr. Carlson is currently a Professor at the College of Veterinary Medicine at the University of Minnesota. learn more 
Dr. Carlson brings over 24 years of expertise in Veterinary Pathology, with specialization in bone and cartilage pathology. After completing her D.V.M. and Ph.D, she was supported by an individual NIH postdoctoral fellowship at North Carolina State University where she studied the pathogenesis of Osteochondrosis. She then joined the faculty in Comparative Medicine at Wake Forest University, where she served as head of the pathology group. Dr. Carlson is currently a Professor at the College of Veterinary Medicine at the University of Minnesota. She has authored or coauthored over 120 peer-reviewed journal articles, primarily in the area of Orthopaedic Pathology, and is the principal investigator of an NIH-funded research training grant in Comparative Medicine and Pathology. She has consulted for numerous companies, primarily in the area of Orthopaedic Pathology, and is a member of the Orthopaedic Research Society and the Osteoarthritis Research Society International. Dr. Carlson was certified as a Diplomate of the American College of Veterinary Pathologists in 1990. She received her D.V.M. from the University of Minnesota in 1983, and her Ph.D in Veterinary Pathology from North Carolina State University in 1986. collapse 
Dr. Gerard O'Sullivan, M.V.B., M.Sc., Ph.D
Consulting Pathologist
Dr. O'Sullivan received his M.V.B. (D.V.M. equivalent) from University College Dublin (Ireland) in 1976, his M.Sc. from James Cook University (Australia) in 1982, and his Ph.D from North Carolina State University (U.S.A.) in 1989. He is specialty certified in pathology in Australia, North America and Europe, and is a Diplomate of both the American College of Veterinary Pathologists (1989) and European College of Veterinary Pathologists (1998). He has an extensive background in Veterinary Pathology, gained during the past 30 years of work in Australia, Scotland, Zimbabwe and the United States.
learn more 
Dr. O'Sullivan received his M.V.B. (D.V.M. equivalent) from University College Dublin (Ireland) in 1976, his M.Sc. from James Cook University (Australia) in 1982, and his Ph.D from North Carolina State University (U.S.A.) in 1989. He is specialty certified in pathology in Australia, North America and Europe, and is a Diplomate of both the American College of Veterinary Pathologists (1989) and European College of Veterinary Pathologists (1998). He has an extensive background in Veterinary Pathology, gained during the past 30 years of work in Australia, Scotland, Zimbabwe and the United States. This includes experience in Diagnostic Pathology at James Cook University, the University of Melbourne, University of Edinburgh, University of Zimbabwe, and North Carolina State University from 1980 through 1989, followed by experience in research and Comparative Pathology at Wake Forest University School of Medicine and the University of Minnesota from 1990 to 2001. Dr. O'Sullivan has several years of experience in Toxicologic Pathology, gained during his work with 3M Pharmaceuticals, where he served as Head of Pathology from 2002 through 2007. He has held academic appointments at the University of Melbourne, University of Edinburgh, University of Zimbabwe, Wake Forest University School of Medicine, and the University of Minnesota between 1981 and 2001. Dr. O'Sullivan rejoined the University of Minnesota in 2007 as Clinical Professor in the College of Veterinary Medicine with responsibilities in the Comparative Pathology Shared Resource, a core laboratory for the University of Minnesota Masonic Cancer Center, and currently serves as Director of this facility. collapse 
Contact Us
CUSTOMIZED SOLUTIONS
We provide histological solutions to meet your unique research needs, from paraffin to frozen, resin-based processing and sectioning, and more.
life sciences
medical devices
Immunohistochemistry
plants / environment