A member from 1987, he was elected Fellow of the Royal College of Pathologists (FRCPath) in 1997.

Professor Viale’s scientific interests include the validation of predictive and prognostic markers in breast cancer, the abnormal expression of oncogenes and tumor-suppressor genes in human malignancies, the derangements in cell-cycle control and apoptotic pathways, and the role of angiogenesis in tumor progression.

He is the chairman of the Central Pathology Office of the International Breast Cancer Study Group (IBCSG), lead pathologist of the Breast International Group (BIG), and co-chair of the Translational Research Committee of the BIG2-98 trial (Trans-TAX).

He is also an active member of many international societies, organizations, and committees, including the American Joint Committee on Cancer (AJCC) working group for the TNM classification of breast cancer, the Pathology Sub-Study Group of the Intergroup Exemestane Study (PathIES), the Executive and Steering Committees of the ALTTO and APHINITY trials (running the Central Pathology Laboratory), the Formalin-Fixed, Paraffin-Embedded Tissue (FFPE) Working Group of the Breast International Group (BIG) and National Cancer Institute (NCI)–sponsored breast cancer Cooperative Groups, the Early Breast Cancer Trialists’ Collaborative Group Steering Committee, and the Translational Research Committee of the HERA trial. He is also a founding member of the International Sentinel Node Society.

Professor Viale has authored 478 articles in peer-reviewed international journals and 36 chapters in books.