1990-1999
- Guest Speaker, "Prognostic Indicators in Breast Cancer", Breast Cancer Results of the 80's outlook for the 90's organized by Botsford General Hospital and American Cancer Society. Botsford Hospital, Farmington Hills, MI, May 12, 1990.
- Invited Speaker, "Critical Elements in Mammary Carcinogenesis", 15th International Cancer Congress Union International against Cancer. Buenos Aires, Argentina. August, 16-22, 1990.
- Chairman, Symposium Biological Markers in Breast Carcinoma, XVIII, International Congress of Pathology, Buenos Aires, Argentina, September 9-12, 1990.
- Invited Speaker, "The Role of Oncogenes in the Transformation of Human Breast Epithelial Cells". Biological Society of Cordoba, Argentina, September 13, 1990.
- Coordinator and Speaker on Symposium of "Physiopathology of the mammary gland", organized by the Center for Reproduction and Lactation. (LARLAC), Mendoza, Argentina., September 15, 1990.
- Invited Speaker, Eleventh Annual Meeting of the American College of Toxicology. Lecture on "Regulatory Mechanisms of the Susceptibility of the Mammary Gland to Carcinogenesis", Orlando, FL, October 30, 1990.
- Invited Member, Panel on Breast Cancer, "Forging a Women's Health Research Agenda", organized by National Women's Health Resource Center, Washington, DC, December 5-6, 1990.
- Invited Speaker, Wayne State Medical School Seminars, Lecture on, "The Role of ras-oncogenes in Breast Carcinogenesis, Wayne State University, Detroit, MI December 12, 1990.
- Invited Speaker, Basic Science Seminar Series, sponsored by the Cancer Center at Northwestern University, Lecture on, "The Role of ras-oncogene in the Transformation of Human Breast Epithelial Cells", Chicago, IL, January 14, 1991.
- Invited Speaker, Department of Toxicology, Smith Kline Beecham Animal Health. Lecture on, "Regulatory Mechanisms of the Susceptibility of the Mammary Gland to Carcinogenesis", West Chester, PA, February 21, 1991.
- Invited Speaker, Fox Chase Cancer Center, Lecture on, "Prognostic Factors in Breast Cancer", Philadelphia, PA, March 19, 1991.
- Invited Lecturer of the X Congress of the Spanish Society of Mastology and Breast Pathology. Lecture on: "Etiopathogenesis of Breast Cancer", Barcelona, Spain, April 29, 1991.
- Invited Speaker, X Congress of the Spanish Society of Mastology and Breast Pathology. Lecture on, "Influence of Human Breast Development on the Emergence of Preneoplastic and Neoplastic Lesions", Barcelona, Spain, May 2, 1991.
- Invited Speaker, Biennial Meeting of the International Association for Breast Cancer Research. Lecture on, "The Role of Oncogenes in The Transformation of Human Breast Epithelial Cells". Saint-Vincent, Italy, May 27-29, 1991.
- Invited Speaker, School of Medicine, University of Pisa. Lecture on, "Ras Oncogene in Cell Transformation", Pisa Italy, May 30, 1991.
- Invited Lecturer and Discussant, Breast Cancer Program, Wayne State University. Lecture on, "Mammary Gland Development". School of Medicine, Wayne State University, Detroit, MI, September 10, 1991.
- Invited Lecturer and Discussant, Toward 2000 VII, a symposium on clinical and basic research advances in oncology, focusing on cancers affecting women. Lecture on "Modulation of the Susceptibility of the Breast to Carcinogenesis." Fox Chase Cancer Center, Philadelphia, PA, October 18-19, 1991.
- Invited Speaker of the International Academy of Pathology, Argentinean Division. Lecture on "The Preneoplastic Lesions in Breast Cancer and Prognostic Indicators in Breast Cancer." Mendoza, Argentina, November 21, 1991.
- Invited Speaker and Discussant of the International Academy of Pathology, Argentinean Division. Course in Breast Pathology, Bahia Blanca, Argentina, November, 22-23, 1991.
- Lecturer on "Significance of the So-Called Preneoplastic Lesions of the Human Breast." CME Review, organized by Fox Chase Cancer Center, Philadelphia, PA, February 26, 1992.
- Seminar on "Role of Breast Differentiation and Susceptibility to Carcinogenesis." Organized by Harvard School of Public Health. Harvard University, Boston, MA, March 19, 1992.
- Invited Speaker on "Update on Breast Cancer." 7th International Congress on Senology, Island of Rhodes, Greece, May 3-7, 1992.
- Speaker on "Role of Electron Microscopy in Tumor Diagnosis." X European Congress on Electron Microscopy, Granada, Spain, September 7-11, 1992.
- Lecturer on "Prognostic Factors in Breast Cancer." XIX International Congress of the International Academy of Pathology, Madrid, Spain, October 18-23, 1992.
- Lecturer on "Critical Steps in Breast Carcinogenesis." Symposia in Oncology, Pisa, Italy, October 19-20, 1992.
- Organizer and Speaker of the Surgical Review Conference, Fox Chase Cancer Center, Philadelphia, PA, November 6, 1992.
- Keynote Speaker on "Etiopathogenic Concepts in Breast Cancer." Barcelona, Spain, December 2-4, 1992.
- "Case Diagnosis in Surgical Pathology," Pathology Society of Philadelphia, Philadelphia, PA, February 11, 1993.
- Grand Round Conference on "Breast Cancer," Jefferson Medical College, Philadelphia, PA, February 24, 1993.
- Lecturer on "Susceptibility of Human Breast to Carcinogenesis," Albert Einstein Medical Center, Philadelphia, PA, March 5, 1993.
- Invited Lecturer on "Premalignant Lesions of the Breast," organized by the European Cancer Prevention Organization. Limburg, Belgium, June 17-18, 1993.
- Discussion Leader on "Hormonal Carcinogenesis," Gordon Research Conference, Salve Regina University, New Hampton, August 9-13, 1993.
- Invited Speaker, "From Pathogenesis to Breast Cancer Prevention," Hellenistic Society for Breast Cancer Research, International Meeting, Corfu, Greece, September 1-3, 1993.
- Invited Speaker, "Etiopatogenic Concepts in Breast Cancer," First Ibero-American Congress of Pathology, Santiago de Compostela, Spain. September 14-17, 1993.
- Invited Speaker, "Developmental Pattern of the Human Breast and Susceptibility to Carcinogens," International Symposium on Molecular Mechanisms of Radiation and Chemical Carcinogen-Induced Cell Transformation, Mackinac Island, Michigan, September 19-23, 1993.
- Lecturer on "Breast Cancer Prognostic Indicators," XIX Congress Latino Americano de Patologia, Mexico City, Mexico, September 29-October 3, 1993.
- Organizer and Speaker at the "Workshop on Immunocytochemistry and Molecular Diagnosis in Tumor Pathology," Philadelphia, PA, November 3-5, 1993.
- Invited Lecturer, "Hormones as Preventive Agents in Breast Cancer," Department of Genetics, Harvard Medical School, Howard Hughes Medical Institute, Boston, MA, December 10, 1993.
- Invited Lecturer, "Susceptibility of the Human Breast to Carcinogenesis," The Wistar Institute, Philadelphia, PA, April 22, 1994.
- Invited Speaker, "Susceptibility of Human Breast Epithelium to Transformation," 42nd Annual Meeting of the Radiation Research Society, Nashville, TN, April 29-May 1, 1994.
- Invited Lecturer, "A Physiological Approach to Breast Cancer Prevention," Department of Human Oncology, University of Wisconsin, Madison, May 25, 1994.
- Invited Speaker, "Breast Susceptibility to Carcinogenesis," Second International Symposium on Hormonal Carcinogenesis, Karolinska Institute, Stockholm, Sweden, July 5-9, 1994.
- Invited Speaker, "Progestins and Breast Cancer Risk: Relevance of Animal Studies for Human Pathology," Schering, Berlin, Germany, July 11, 1994.
- Plenary Lecturer, "Physiological Basis of Breast Cancer Prevention," Mercosur Meeting, Montevideo, Uruguay, August 8, 1994.
- Invited Lecturer, "Current Concepts on Breast Cancer," Mercusor Meeting, Montevideo, Uruguay, August 8, 1994.
- Keynote Speaker, "Physiologic Basis of Breast Cancer Prevention," Argentinean Society of Pathology, Rosario, Argentina, August 9, 1994.
- Lecturer on "Genetic Basis of Breast Cancer," Argentinean Society of Pathology, Rosario, Argentina, August 9, 1994.
- Lecturer on "Current Concepts of Breast Cancer," Argentinean Society of Pathology, Rosario, Argentina, August 9, 1994.
- Invited Lecturer on "Prognostic Factors in Breast Cancer," XIII Congress of the Spanish Society of Breast Pathology and Senology, Lanzarote Island, Spain, September 29, 1994.
- Invited Lecturer on "Genetic Susceptibility to Breast Cancer," XIII Congress of the Spanish Society of Breast Pathology and Senology, Lanzarote Island, Spain, September 29, 1994.
- Invited Speaker, "The Etiopathogenesis of Breast Cancer Prevention," 20th Meeting of the International Association for Breast Cancer Research, Sendai, Japan, September 25, 1994.
- Invited Speaker, "Molecular Events of Breast Cancer Initiation", Breast Cancer Research Program at Fox Chase Cancer Center, Philadelphia, PA. March 7, 1995.
- Introduction to the Minisymposium “Oncogenes, Tumor Suppressor Genes and Growth Factors in Breast Cancer". Eighty-six Annual Meeting American Association for Cancer Research. March 18-22, 1995. Toronto, Ontario, Canada.
- Invited Speaker, "Molecular Mechanisms in Human Breast Epithelial Cell Transformation"In : Workshop Neoplastic Transformation in Human Cell System in Culture: Mechanisms of Carcinogenesis. September 7-9, Chicago, Illinois.
- Invited Speaker, “Prognostic Indicators in Breast Cancer". In: 10th Brazilian Congress of Mastology. September 18-22, 1995, Natal, RN, Brazil.
- Invited Speaker, “Physiological Bases of Breast Cancer Prevention". In: 10th Brazilian Congress of Mastology. September 18-22, 1995, Natal, RN, Brazil.
- Invited Speaker, “Genetic Bases of Breast Cancer". In: 10th Brazilian Congress of Mastology. September 18-22, 1995, Natal, RN, Brazil.
- Invited Speaker, “Comparative Human-Rodent Pathophysiology of the Mammary Gland and Female Reproductive Organs". In: Ninth International Conference on Carcinogenesis and Risk Assessment. Austin, Texas, Nov.29, 1995.
- Invited Speaker, "Toward a Unified Concept of Mammary Carcinogenesis". In: Workshop on Stem Cells and Carcinogenesis. December 1-2, 1995. Oahu, Hawaii.
- Invited Speaker, "Oestrogens and Proliferation of Breast Cells". In the 30th Annual Scientific Meeting of the European Society for Clinical Investigation. Symposium Oestrogens in Human Disease. Sponsored by Novo Nordisk AVS. Interlaken, Switzerland, April 26, 1996.
- Invited Speaker, "Prognostic Markers in Breast Cancer". In : What the Health Care Provider Needs to Know About Breast Cancer. Sponsored by the League of Women Against Cancer and St Luke's Hospital. June 13, 1996. Bethlehem, Pennsylvania.
- Invited Speaker, " Unified concept in mammary carcinogenesis". In: the Working Group on Hormone Related Cancer of the European Cancer Prevention Organization. June 21-22, 1996, Elbigenalp, Austria.
- Invited Speaker, "Molecular Basis of Breast Cell Transformation". In the: 21st International Association for Breast Cancer Research. July 3-5, 1996. Paris, France.
- Invited Speaker, "Role of Differentiation in the Pathogenesis and Prevention of Human Breast Cancer". In the: Second International Meeting on Current Topics in Breast Cancer Research. September 19-20, 1996. Cambridge, UK.
- Keynote Speaker, "Molecular and biological basis of the mammary gland susceptibility to carcinogenesis". National Institute of Environmental health Sciences, Research Triangle Park, North Caroline, September 25, 1996
- Invited Speaker, "Toward an understanding of breast cancer initiation and progression" Molecular Oncology Seminar, Fox Chase Cancer Center, Philadelphia, PA, October 15, 1996
- Invited Speaker, “Cellular and Molecular Basis of the Pathogenesis of Breast Cancer". October 17-18, 1996. Monterrey, Mexico.
- Invited Speaker, International Menopause Society Meeting.. November 3-8, 1996. Sydney, Australia
- Invited Speaker, International Meeting of the Society of Senology. November 20-22, 1996. Barcelona, Spain.
- Invited Speaker, "Cellular basis of the breast susceptibility to carcinogenesis", in Keystone Meeting on Basic and Clinical Aspects of Breast Cancer. Keystone, Colorado, March 7-12, 1997.
- Invited Speaker, “Molecular basis of human breast carcinogenesis", in American Health Foundation, Valhalla, New York. March 14, 1997.
- Invited Speaker, "Hormone and breast cell proliferation", Conference of the European Society for Clinical Investigation. Kiel, Germany, March 22, 1997.
- Keynote Speaker, "Molecular basis of the pathogenesis of human breast cancer". Spanish Society of Senology, Badajoz, Spain, May 1, 1997.
- Keynote Speaker, "Developmental Concepts in Breast Cancer". Premalignant Markers of Breast Cancer, organized by the European Cancer Prevention Organization, Bruges, Belgium, June 27, 1997.
- Invited Speaker, “Susceptibility of the breast to carcinogenesis”. Uppsala University, Uppsala, Sweden, May 5, 1997
- Invited Speaker, “Molecular basis of breast cancer". Gordon Research Conference on Hormonal Carcinogenesis, Tilton School, Tilton, NH. July 29, 1997.
- Keynote Speaker, "The emergence of the cancer phenotype from electron-microscopy to molecular biology". IV Interamerican Electron Microscopy Congress, Guayaquil, Ecuador, September 23, 1997.
- Invited Speaker, "Molecular Mechanisms of Initiation and Progression of Breast Cancer". 2nd World Congress on Advances in Oncology, Athens, Greece, October 16, 1997.
- Invited Speaker, "Role of Pregnancy and chorionic gonadotropin in breast cancer prevention” Novo Nordisk. IV European Congress of Menopause, Vienna, Austria. October 9, 1997.
- Invited Speaker, “Risk of breast cancer in relation to breast development: Cellular and molecular basis”. IV European Congress of Menopause, Vienna, Austria. October 10, 1997.
- Invited Speaker, “Molecular and cellular basis of mammary cancer”. Fall 1997 Faculty of Toxicology seminar series at Texas A&M University, Dallas, Texas. November 3, 1997.
- Invited Speaker, “Cellular and Molecular Interaction in Breast Cancer: Role of Estrogen and its Receptors”. In: Estrogens and endogenous carcinogens in the breast and prostate. Westfields International Conference Center, Chantilly, Virginia. March 16-17, 1998
- Invited Speaker, “Molecular Basis of Breast Cancer”. Sociedad Chilena de Ciencias Fisiologicas. XIII Annual Meeting, Quinamavida, Linares, Chile. April 7, 1998.
- Invited Speaker, “Physiologic Basis of Breast Cancer Prevention.” Sociedad Chilena de Ciencias Fisiologicas. XIII Annual Meeting, Quinamavida, Linares, Chile. April 7, 1998.
- Invited Speaker, “Role of hormones in human breast development”. Conference on Gynecological Oncology, Salzburg, Austria. April 16-18, 1998.
- Invited Discussant, NIEHS workshop on characterizing the Effects of Endocrine Disrupters on Human Health and Environmental Exposure Levels” Raleigh, North Carolina. May11-13, 1998.
- Invited speaker, Breast cancer prevention”, In the Cancer chemoprevention in the age of genetic diagnosis”. Dan Carmel Hotel, Haifa, Israel June 21-24, 1998.
- Invited Speaker, “ Are Estrogens Carcinogenic Agents?” XVI Meeting of the Obstetric and Gynecologic Society, Buenos Aires, Argentina. July 5-8, 1998.
- Invited Speaker, “Role of Pregnancy in Breast Cancer”. XVI Meeting of the Obstetric and Gynecologic Society, Buenos Aires, Argentina. July 5-8, 1998.
- Invited Speaker, “Molecular Basis of Breast Cancer”. XVI Meeting of the Obstetric and Gynecologic Society, Buenos Aires, Argentina. July 5-8, 1998.
- Invited Speaker, “Molecular Basis of the Neoplastic Transformation of Human Breast Epithelial Cells”. International Meeting on Hereditary Cancer Diseases. Dusseldorf, Germany. August 26-28, 1998.
- Invited Speaker, “Risk of breast cancer in relation to breast development: Cellular and molecular basis”. 4th Congress of the French Society of Gynecology. Paris, France. October 8-10, 1998.
- Invited Speaker, “Molecular basis of breast cancer” 3rd World Congress on Advances in Oncology and1st International Symposium on Molecular Medicine. Island of Crete, Greece. October 15-17, 1998.
- Invited Speaker, “Biological and molecular basis of breast cancer” German Cancer Research Center, Heidelberg. Germany, November 6, 1998
- Invited Speaker, “Molecular basis of breast cancer” In: Internationales Wiesbadener Mama-Symposium”. Germany, November 7, 1998.
- Plenary Speaker, “Physiologic Basis of Breast Cancer Prevention”. In: San Antonio Breast Cancer Symposium, San Antonio, Texas. December 12-15, 1998.
- Invited Speaker. “Breast Development and Susceptibility to Carcinogenesis”. In: Breast Cancer Symposium: Think Tank 9”, St Thomas, USVI, January 17, 1999.
- Invited Speaker. “Relevant issues of the San Antonio Breast Cancer Symposium”. In SHARE, New York, January 27, 1999.
- Invited Speaker and Chairperson in NCI, Workshop on Comparative Pathology of Animal Models for Mammary Cancer, Annapolis, MD, March 3-5, 1999.
- Invited Discussant. ”Frontiers in Estrogen Action”. Dana Point, California, April 8-9, 1999.
- Plenary Speaker. “Genetic Basis of Breast Cancer”. XVII Jornadas de Obstetricia y Ginecologia, Buenos Aires, Argentina, June 3-5, 1999.
- Plenary Speaker. “Biologic Perspectives of Gynecological Cancer”. XVII Jornadas de Obstetricia y Ginecologia, Buenos Aires, Argentina, June 3-5, 1999.
- Invited Discussant. “DES future directions, Research Update, 1999”. Bethesda, Maryland, July 19-20, 1999.
- Invited Speaker and Chairperson. “The pathway of neoplastic transformation of human breast epithelial cells”. In: In vitro Human cell Transformation, Cork, Ireland, July 24-25, 1999.
- Discussion Leader. “Molecular Basis of Cancer Risks and Susceptibility”. In: Gordon Conference on Hormonal Carcinogenesis. Tilton School, Tilton, New Hampshire, August 1-6, 1999.
- Invited Speaker. “Development of the Human Breast and its Implications in the Pathogenesis of Cancer”. In: Breast Cancer Coalition. Bethesda, Maryland, September 16-16, 1999.
- Plenary Speaker. “Estrogen and Breast Cancer”. VI Congreso Venezolano de Mastologia”. Margarita Island, Venezuela, October 13, 1999.
- Plenary Speaker. “Molecular Biology and Breast Cancer”. VI Congreso Venezolano de Mastologia”. Margarita Island, Venezuela, October 13, 1999.
- Plenary Speaker. “Breast Cancer Prevention, A critical Evaluation”. VI Congreso Venezolano de Mastologia”. Margarita Island, Venezuela, October 13, 1999.
- Plenary Speaker. “Politic and Breast Cancer”. VI Congreso Venezolano de Mastologia”. Margarita Island, Venezuela, October 13, 1999.
- Invited Speaker. “Present and Future in the Diagnosis and Treatment of Breast Cancer”. In SHARE, New York, November 12, 1999.