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 Marshfield Labs Staff


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​Sales and ​Marketing

Clinical and Anatomic Pathologists

Clinical​ PhD's​​​




Richard Vander Heide, MD, PhD, MBA

​​Director, Division of Laboratory Medicine

Pam Carter, MT (ASCP), BS, MBA​

​Administrative Director​




​​Sales and Marketing​

Shelley Van Proosdy, Strategic Sales Executive

Responsible for clinical diagnostic business development and sales

Joey Liebmann, Strategic Sales Executive

Responsible for clinical diagnostic sales




​Clinical and Anatomic Pathologists

Ryan Bemke,​ MD

​Special Interests:

  • Breast pathology
  • Gynecologic surgical pathology

Jaswind​er Chalia, MD​

​Special Interests:

  • Surgical pathology
  • Liver pathology
  • Transplant

Jonathan Cutlan, MD

Special Interests:

  • Melanoma
  • Melanocytic lesions
  • Cutaneous lymphoma

Carolyn Haus MD

Special Interests:

  • General Surgical Pathology
  • Blood Banking
  • Quality Improvement in Laboratory Medicine and Pathology

David Seung Lae Kim MD, PhD​

Special Interests:

  • ​​Melanocytic lesions
  • Inflammatory disease
  • Skin neoplasms​

Todd Kroll MD, PhD

Special Interests:

  • ​​General Surgery Pathology
  • Endocrine/Head & Neck Pathology
  • Genitourinary Pathology
  • Molecule Diagnostics/Molecular Oncology/Genetics
  • Laboratory Accreditation and Quality Control

Rafael Medina-Flores MD​

Special Interests:

  • Neuro-oncology
  • HIV dementia
  • Neuromuscular pathology​

Kathy Puca, MD​

Special Interests:

  • ​​Transfusion Medicine
  • Coagulation

Jeffrey Resnick, MD

Special Interests:

  • Gastrointestinal/liver pathology
  • Cytopathology
  • Dermatopathology

Richard Vander Heide, MD, PhD, MBA

  • COVID-19
  • Anatomic Pathology
  • Autopsy Pathology
  • Cardiac Pathology
  • Myocarditis
  • Valvular Heart Disease
  • Vascular Disease

Syed Sajjad, MD​

Special Interests​:

  • Tumor pathology
  • Electron Microscopy
  • Renal pathology including renal transplant pathology

Gene Shaw, MD​

Special Interests​:

  • Coagulation
  • Flow Cytometry
  • Hematology and Immunology

Kajal Sitwala, MD, PhD​

Special Interests​:

  • Leukemia/lymphoma
  • Flow cytometry
  • Molecular diagnostics​

Yeping Sun MD, PhD

Special Interests:

  • Diagnostic surgical pathology
  • Hepatic and gastrointestinal pathology
  • Immunohistochemistry

Chris Waldo, MD

​Special Interests:

  • ​Anatomic pathology
  • Outreach pathology​​

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Clinical ​​​PhDs

Sarah Bissonette, PhD

​Special Interests:

  • Maternal fetal medicine
  • Automated chemistry
  • Point of Care testing

​​​​Hanna Loving, PhD

  • ​Toxicology
  • Special Chemistry
  • Lab Developed Tests (LDTs)
  • ImmunoDiagnostics​​​

Thomas Novicki, PhD
Special Interests:

  • Tick-borne diseases
  • Diagnosis of TB

Timothy Uphoff, PhD​

Special Interests:

  • Molecular Diagnostics
  • Infectious Diseases
  • Genetics
  • Oncology


 Contact Sales & Marketing

​​Call Us 715-221-6278