![Gary Grajales Reyes, MD, PhD](https://pathology.wustl.edu/wp-content/uploads/2018/10/181213_MHB_Grajales-Reyes_Gary_209retouched-e1547841482889-280x386.jpg)
Gary Grajales Reyes, MD, PhD
Assistant Professor, Pathology & Immunology
- Phone: 314-362-7190
- Email: garygrajalesreyes@wustl.edu
Division: Immunobiology
![Jon H. Ritter, MD](https://pathology.wustl.edu/wp-content/uploads/2016/11/Ritter-Jon_web-280x386.jpg)
Jon H. Ritter, MD
Professor, Pathology & Immunology
Section Head, Thoracic Pathology
Director, Surgical (Selective) Pathology Fellowship
- Phone: 314-362-0112
- Email: jritter@wustl.edu
Division: Anatomic & Molecular Pathology
![Nidhi Rohatgi, PhD](https://pathology.wustl.edu/wp-content/uploads/2018/11/Rohatgi-Nidhi-new-cropped.jpg)
Nidhi Rohatgi, PhD
Instructor, Pathology & Immunology
- Phone: 314-454-5085
- Email: nidhirohatgi@wustl.edu
Division: Anatomic & Molecular Pathology
![Stephen Roper, PhD](https://pathology.wustl.edu/wp-content/uploads/2017/08/RoperS_300.jpg)
Stephen Roper, PhD
Associate Professor Pathology & Immunology
- Phone: 314-454-4087
- Email: smroper@wustl.edu
Division: Laboratory & Genomic Medicine
![Ilana Rosman, MD](https://pathology.wustl.edu/wp-content/uploads/2016/02/Faculty-photo-Rosman-2020-280x386.jpeg)
Ilana Rosman, MD
Professor, Internal Medicine (Dermatology)
Professor, Pathology & Immunology
Section Head, Dermatopathology
- Phone: 314-362-5757
- Email: irosman@wustl.edu
Division: Anatomic & Molecular Pathology
![Aaron Russell, MD](https://pathology.wustl.edu/wp-content/uploads/2021/05/Aaron-Russell-good_web-280x386.jpg)
Aaron Russell, MD
Assistant Professor, Medicine (Dermatology)
Assistant Professor, Pathology & Immunology
- Fax: 314-362-5701
- Email: aaronrussell@wustl.edu
Division: Anatomic & Molecular Pathology
![Marianna Ruzinova, MD, PhD](https://pathology.wustl.edu/wp-content/uploads/2016/02/RuzinovaM.jpg)
Marianna Ruzinova, MD, PhD
Professor, Pathology & Immunology
Section Head, Hematopathology
Director, Immunohistochemistry
- Phone: 314-362-7704
- Email: mruzinova@wustl.edu
Division: Anatomic & Molecular Pathology
![Robert E. Schmidt, MD, PhD](https://pathology.wustl.edu/wp-content/uploads/2019/01/schmidt4-96dpi-Best-280x386.jpg)
Robert E. Schmidt, MD, PhD
Professor, Pathology & Immunology
Division Chief, Neuropathology
Section Head, Neuropathology
- Phone: 314-362-7429
- Email: reschmidt@wustl.edu
Division: Neuropathology
![Robert Schreiber, PhD](https://pathology.wustl.edu/wp-content/uploads/2016/02/Schreiber.jpg)
Robert Schreiber, PhD
Andrew M. and Jane M. Bursky Distinguished Professor, Pathology & Immunology
- Phone: 314-362-8787
- Email: rdschreiber@wustl.edu
Division: Immunobiology
![Molly Schroeder, PhD, FACMG](https://pathology.wustl.edu/wp-content/uploads/2018/05/Schroeder.jpg)
Molly Schroeder, PhD, FACMG
Associate Professor, Pathology & Immunology
Associate Division Chief, Genomic and Molecular Pathology
Medical Director, Clinical Genomics Laboratory
Section Head, Molecular Pathology
Associate Director, Laboratory Genetics and Genomics Fellowship
- Email: molly.schroeder@wustl.edu
Division: Genomic & Molecular Pathology