Ronald DeLellis

Ronald A. DeLellis


Born: Providence, Rhode Island

Academic Degrees

  • BA: Brown University, Providence, Rhode Island, 1962
  • MD: Tufts University School of Medicine, Boston, Massachusetts, 1966

Academic Positions

  • 1966 - 1967 Instructor in Pathology, Harvard Medical School, Boston, Massachusetts
  • 1971 - 1973 Assistant Professor of Pathology, Boston University School of Medicine, Boston, Massachusetts
  • 1973 - 1998 Assistant Professor then Associate Professor (1975) and Professor (1985) of Pathology, Tufts University School of Medicine, Boston, Massachusetts
  • 1998 - 2001 Professor of Pathology, Cornell University Medical College, New York City, NY
  • 2001 - current Professor of Pathology, Brown University, Providence, Rhode Island


  • Massachusetts General Hospital, Boston, Massachusetts
  • National Institutes of Health; National Cancer Institute

Military Service

  • 1967 - 1971 Commissioned Officer in Public Health Service

Selected Career Highlights

  • Collaboration with Dr. Hubert J. Wolfe at Tufts (for 27 years).

  • International reputation in endocrine pathology and immunohistochemistry and in situ hybridization.

  • Author of Diagnostic Immunopathology, the "go to" resource in immunopathology for many years.

  • Received the Distinguished Professor Award from his medical school alma mater.

  • President of the Endocrine Society (1999-2000); Vice President of the Society for Applied Immunohistochemistry (1999-present).

  • Editorial Advisory Board of the AFIP/ARP Tumor Fascicle series and co-author of the fascicle on Tumors of the Adrenal Gland, Thyroid Gland, and Parathyroid Glands.

  • Co-Editor (with Drs. R.Lloyd, P. Heitz, and C.Eng) of the WHO Classification of Endocrine Tumors.

  • Member, Editorial Board of 10 major journals including:

    • The American Journal of Surgical Pathology
    • Laboratory Investigation
    • Human Pathology
    • Ultrastructural Pathology
    • Journal of Histochemistry and Cytochemistry
    • Histochemical Journal
    • Modern Pathology
    • Co-Editor of Diagnostic Molecular Pathology.
  • Co-Editor of the recent textbook Principles and Practice of Surgical Pathology and Cytopathology.

  • Author of over 230 papers, 9 books and 50 book chapters.

  • Recipient of the prestigious Fred W. Stewart Award presented by Memorial Sloan Kettering Cancer Center (1999).

  • Director/Co-Director of 4 different USCAP Short Courses, and Co-Director of the Long Course on Thyroid and Parathyroid (with Dr. V. LiVolsi).

  • The USCAP Representative to the American Registry of Pathology, and member of all the various USCAP Committees.

  • Lover of opera and the New York Metropolitan Opera.


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