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Dr. Eisen has been practicing since Oct. 2015 at Banner Thunderbird Medical Center in Glendale, AZ as a member of Phoenix Pathologists, Ltd.  Responsibilities at BTMC include primary pathology presenter at Tumor Board, member of the Banner-SQL Laboratory Immunohistochemistry Committee and member of the Oncology Clinical Consensus Group, Banner System, Phoenix.  Previously, he practiced at Greenwich Hospital, Yale New-Haven Health System 1993-2015 and served as Director of the Anatomic Pathologic Section of the Pathology Laboratory.  He received his MD degree from SUNY Downstate in 1984 and his post-graduate training in Internal Medicine and Pathology at Yale University, the latter including a fellowship in Surgical Pathology under the directorship of Dr. Juan Rosai.  He served on the full time Yale faculty until 1993, directing the Immunohistochemistry (IHC) Laboratory there for 2 years and since, the IHC sub-section at Greenwich.  Dr. Eisen has been involved with the AIMP Retreat since its inaugural meeting in 2007, as faculty and most recently assisting Dr. Yaziji in moderating and directing the course.  Dr. Eisen has also served on the Board of Directors of The Society for Applied Immunohistochemistry since 1995 and as the Society’s President since 1997.  Currently, Dr. Eisen serves on the Board and is a founding member of the International Society for Immunohistochemistry and Molecular Morphology (ISIMM). He continues as a member of the clinical faculty at the University of Arizona, Phoenix College of Medicine, teaching medical students.  He maintains an interest in IHC, ENT, soft tissue, bone and hematopathology.  Dr. Eisen has served as a member of the IHC Resource Committee of the College of American Pathologists (CAP) from 2004-2010, the APECS Editorial Board of the United States and Canadian Academy of Pathology E-Academy and is an active member of both CAP and USCAP.   He also served as an advisor to the CAP Center Project on IHC Validation Guidelines and as a member of the CAP Center Project for Uniform Labeling Standards for Anatomic Pathology.

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