– Integrative Healthcare Symposium Annual Conference , february 2017, New York , USA

– Spreker “International conference on chronic pathologies”, september 9th 2017 , Antwerp , Belgium

– Spreker congres over lifestyle medicine , september 29 th 2017 , Driebergen , Holland

– Spreker ILADS European Conference in Helsinki , june 10 th 2016, Helsinki, Finland

– Cursus naturopathic oncology , 9-10 april 2016 , Philadelphia, VS

– Spreker , ILADS conference, 10 juni 2016 , Helsinki , Finland

– Conference : Clinical Applications for Age Management Medicine November , 2015 Las Vegas, USA

– Spreker lyme conference , september 2015 , Antwerpen , België

– Spreker ‘nature by the sea’ congres auto-immuunaandoeningen, juni 2015 , Noordwijk Nederland

– New concepts in integrative medicine , feb 2014 , New York, USA

– Congres complementaire oncologie , 14 juli 2014 ,Noordwijk , Nederland

-ILADS congres ( Lyme and associated diseases) , sept 2014 , Washington

-Integrative oncology conference, Palm Springs VS , nov 2013

-congres ‘anti-aging medicine’ , Las Vegas , USA ,december 2012

-voedings-en gezondheidscongres, Brussel, november 2012

-Congres Clinical glycobiology , sept 2012 , Maastricht Nederland

– Congres ‘ Anti-aging medicine’, december 2011, Las Vegas, VS

– Congres ‘ Advanced clinical nutrition’ , september 2011, Den Haag, Nederland

– Cursus ‘Hormone and Nutritional Therapies of Endocrine and Metabolic Diseases, mei 2011, Brussel, Belgium

– Congres ‘Hormone Therapy’, mei 2011, Brussels,België

– Symposium borstkanker , november 2010 , Leuven, België

– Congres ‘Advanced Clinical Nutrition 2010’ , september 2010, Den Haag , Nederland

– Congres ‘ International Society for Orthomolecular Medicine’ , mei 2010, Vancouver, Canada

– Symposium ‘ Nieuwe ontwikkelingen in chemoradiatietechnieken’ , maart 2010, Edegem, België

– Symposium ‘ Mind & Brain in evolution’ AZ St Maarten, nov 2009, Duffel , België

– Congres “voeding en psyche” , IQ, gedrag en depressie, oktober 2009, Utrecht , Nederland

– Symposium ” Intravenous Vitamine C and Cancer”, oktober 2009, Wichita, USA

– Congres “The Detox Evolution”, ACAM, mei 2009, San Diego, USA

– Congres voor Nutri- en Fytotherapie, maart 2009, Brussel, België

-Symposium “Genito-urinaire maligniteiten, update en nieuwigheden”, maart 2009, Antwerpen, België

– European Society for Medical Oncology symposium on cancer and nutrition, maart 2009, Zurich, Zwitserland

– “Integrative Approaches to Cardiovascular Disease & Inflammation”, April 2008, Orlando, USA

– “Intravenous nutrient therapies”, updating, April 2008, Orlando, USA

– Symposium borstkanker, december 2007 Leuven , België

– Spreker congres nutri- en phytotherapie” 2-OH – 16-OH oestrone en borstkankerpreventie”, april 2007, Brussel

– Opleiding “Nutritional therapy in Medical Practice” jan 2007, Las Vegas, USA

– Symposium Society of Psychosomatic Medicine, dec 2006, Leuven, Belgium

– “Infection&chronic illness: integrative approaches to lyme disease, stealth infections and inflammation”, mei 2006, Dallas, USA

– “Intravenous therapies workshop”, mei 2006, Dallas, USA

– Symposium borstkanker , maart 2006, Antwerpen, België

– Spreker symposium 3e Zeeuwse dag, “preventie van borstkanker”, sept 2005, Kamperland, Nederland

– “Menopause, Andropause: power in transition, mei 2005 , Orlando, USA

– Spreker ” International symposium on nutrition and natural therapy” , okt 2004, Bali, Indonesië

– Spreker op congres “Reducing pain and inflammation naturally” , dec 2004, Maastricht , Nederland

– “Emerging concepts in immunology” nov 2004, San Diego, USA

– “Medische toepassingen van colloidaal zilver” , juni 2004, Brussel , België

– “International symposium on nutrition and natural therapy” okt 2003, Rio das Pedras, Brazilië

– “Relatie zware metalen, darmen en allergieën” sept 2003, Kamperland, Nederland

– “Cancer: complementary and conventional approaches to prevention and treatment, mei 2003, Washington , USA

– “Serocytotherapie, immunobiotherapie par les serocytol”, mei 2003, les Diablerets, Zwitserland

– Spreker op Congres Nutri en fytotherapie, “complementaire kankertherapie” , april 2003 , Brussel , België

– “Latest medical advances in the diagnosis and treatment of CFS, Fibromyalgia and related Illnesses, sept 2002, L.A

– Spreker “CFS- medical symposium”, juni 2001, Brugge, België – “New advances in complementary medicine”, mei 2001, Nashville, USA

– “Medical Challenges for the family” , mei 2000, Dallas , USA

-Symposium “state of the art en de me(n)tale-tand connectie, mei 1999, univ. Antwerpen, België

– Int.symposium “integrative medicine” , juni 1999, Wenen, Oostenrijk

– ” Complementary cancer treatment” april 1998, Tulsa , USA

– “Conference on quality of life and longevity medicine”, sept 1998, Brussel, België

– “Nutritional intervention in cancer prevention and treatment” , mei 1998, Fort Lauderdale, USA

– Symposium “leefmilieu en kanker”, nov 1997, Brussel, België

– “Disorders of the immune system” , april 1997,Tampa USA

– “Health Trends 2000 conference” , aug 1997, Copenhagen, Denemarken

– Lesgever cursus “oncologie voor de huisarts” , mei 1996, Leuven

– Cursus palliatieve zorgen, univ. Antwerpen, feb 1995,Antwerpen

– “Multiple modalities of orthomolecular, bio-ecologic and nutritional medicine”, aug 1995,Athene,Greece

– “3rd international conference on anti-aging medicine”, dec 1995, Las Vegas, USA

– “Lifestyle medicine – medicine for the 90’s”, ACAM, nov 1994, San Diego , USA