- 2011 – Denver -Keynote @ National Conference of The American Association of Birth Centers (AABC)
- 2010 – Washington DC – The International Birth and Family Wellness Conference for health professionals, educators and parents, The lifelong Implications of our Earliest Experiences
- 2008 – The Need to Transform the Care of the Mother-Baby, Starting Pre-Conception, at The Future of Health Care:Integrating Social Intelligence into Health Care & Daily Life, a conference held at San Francisco State University
- 2006 – Cambridge, England – Placing the Mother-Baby Pair at the Center of Every Society, at the 1st International Conference of BirthLight
- 2005 – San Diego – Modern Birth: Intervention, Isolation and Maternal Deprivation, at the Association for Prenatal and Perinatal Psychology and Health
- 2004 – Padua Italy – Birth & Circumcision, at the International Conference on Genital Integrity & Health
- 2001 – Addis Ababa, Ethiopia – Role of the Indigenous and Modern Midwife in Public Health & Social Change at National Conference of Ethiopian Midwives
- 1999 – Birth and the Future of Society, The Art of Birthing Conference, New York University School of Medicine, New York
- 1992 – Chicago – Childbirth Past, Present & Future: opening address at 17th Annual March of Dimes National Perinatal Nursing Conference
- 1991 – Breastfeeding and How it Affects Us Globally, Ecologically & Personally, La Leche League of Northern CA and Hawaii
- 1979 – Milwaukee, WI and San Diego, CA – Birth Without Violence. New Beginnings Conference with Frederick Leboyer MD, Robert Aldrich MD, and Marshall Klaus MD
- 1978 – Washington, DC – New Beginnings: Transforming Childbirth, at a 4-day conference Holistic Health: A Public Policy for health-related policy makers and health professionals, East-West Academy of Healing Arts
- 1978 – Melbourne Australia – The International Movement to Transform Childbearing and Birth, at Australia’s1st National Conference of Home Birth
- 1977 – New Beginnings: Creative Dimensions in Childbirth, Conference at Stanford University Medical Center
- 1976 – Commencement address to 500 graduating nurses at the University of California, San Francisco, School of Nursing