Dr. Schroyens lectures and teaches seminars and webinars in Dutch, English, French, German and Italian.
Underlined titles link to the review of that lecture.
2025
Juggling between the acute, chronic and constitutional remedy
webinar organized by Naturopathic CE (Dr. Tim Miller), USA
December 6, 2025
Illuminating the winding road to unexpected remedies
series of 4 webinars organized by the Romanian Society of Homeopathy (Dr. Ileana Rindasu)
October 17 + 31 and November 7 + 28, 2025
Juggling between the acute, chronic and constitutional remedy
webinar organized by G. D. Memorial Homeopathic Medical College & Hospital Patna (Dr. M. K. Sahani), Patna, India
September 28, 2025
No future - if not for homeopathy
webinar organized by the Romanian Society of Homeopathy (Dr. Ileana Rindasu)
September 20, 2025
40 years of renovating repertory and repertorization
interview by Eugénie Krüger, HH (Homeopathy Hangout), Australia, on September 4, 2025, posted as a podcast on Spotify, Apple Podcast and Google Podcast on September 29, 2025 (as Episode 415)
September 4, 2025
From Kent’s Repertory to Synthesis Adonis
lecture at the 100th International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Utrecht, Netherlands
May 17, 2025
A few things Kent wasn’t able to do
webinar organized by KHA (Kavitha Holistic Approach), Lansing, MI, USA
May 10, 2025
Science and facts
webinar at the World Homeopathic Science Congress 2025, organized by dr. Mirdul Sahani and the Homoeopathic Science Congress Society, at the Urja Auditorium, Shastri Nagar, Patna, India
February 22, 2025
2024
Treating acutes (or not!) and differentiating remedies
webinar organized by Arcanum, Lysekil, Sweden
November 28, 2024
Increasing the evidence of homeopathic (repertory) information
webinar at the “International Conference on reliable evidence based repertories for homeopathic practice”, organized by the Sarada Krishna Homeopathic Medical College, Tamil Nadu, India, affiliated with the Tamil Nadu Medical University, Chennai, India
July 27, 2024
My final chapter on taking the case
webinar organized by the Japan Institute of Homeopathy, Tokio, Japan
July 15, 2024
Three treasures to improve repertorization
webinar organized by Defne Duygu Uslu, Bodrum, Turkey
May 30, 2024
How to use or not use Synthesis Adonis (the right way)
webinar at the HomeoSummit, RadarOpus training, organized by Naturopathic CE (Dr. Tim Miller), USA
May 26, 2024
The art of taking the case and writing it up - insights from Hahnemann and digital possibilities
webinar organized by Arcanum, Lysekil, Sweden
March 21, 2024
The Relevance of Synthesis Adonis - Prezentare Program RadarOpus (Presenting the RadarOpus program)
webinar taught in English, translation in Romanian, joint teaching with Dr. Carlo Rezzani (Italy), organized by the Romanian Society of Homeopathy, Bucharest, Romania
January 26, 2024
2023
Working through a case with Synthesis Adonis
workshop at the 76th International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Bogota, Colombia
October 27, 2023
Reviewing homeopathic families of remedies - Early and contemporary insights
lecture at the 76th International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Bogota, Colombia
October 26, 2023
Questioning the quality of homeopathic information
webinar organized by Deyanira Ariza Sanchez (Quanttocare), for the Faculty staff of the Fundación Universitaria Luis G. Paéz (Colombia)
September 29, 2023
Building a person out of symptoms
webinar organized by Arcanum, Lysekil, Sweden
September 28, 2023
Het repertorium wordt steeds opnieuw uitgevonden - Nieuwigheden in Synthesis Adonis
lecture in Dutch at the 150th anniversary congress of KBVH (Koninklijke Belgische Vereniging voor Homeopathie - Royal Belgian Society of Homeopathy), Mons, Belgium
September 16, 2023
How to find a homeopath to work with - Replies by Hahnemann and contemporary reflections
interview by Eugénie Krüger, HH (Homeopathy Hangout), Australia
July 7, 2023
How to make the most out of Synthesis Adonis
webinar organized by Tim Miller, Naturopathic CE (Dr. Tim Miller), USA
June 8, 2023
Bönninghausen, Kent and Synthesis: a bird’s-eye view
webinar organized by Kashinokidou, Tokio, Japan
March 30, 2023
The treasures hidden in the Synthesis repertory
webinar organized by the Department of Homeopathy of the INM RUDN University of Moscow in collaboration with the Russian Homeopathic Society
January 28, 2023
Different and new ways of repertorizing - Practical tips on using Synthesis Adonis
webinar organized by KHA (Kavitha Holistic Approach), USA
January 22, 2023
Suggestions to improve case analysis strategies
one-day webinar organized by NAKH (Nordiska Akademin för Klassisk Homeopati), Nörrkoping, Sweden
January 21, 2023
Adonis, a new chapter in repertory development
interview by Manesh Bhatia, published on the portal Hpathy.com in March 2023
January 17, 2023
2022
Ein neuer Weg alte, festgefahrene Fälle zu lösen (A new way to solve old, stuck cases)
webinar in Geman, organized by Medicando, Germany
December 2, 2022
Mit Synthesis Adonis einen Fall so analysieren, wie Sie es wollen (Using Synthesis Adonis to analyze a case the way you want)
webinar in Geman, organized by Medicando, Germany
November 23, 2022
Homeopathic practice – how to do it your way
webinar organized by Arcanum, Lysekil, Sweden
November 10, 2022
A tidal wave of change when repertorizing – Practical tips on using Synthesis Adonis
webinar organized by HWC (Homeopathy World Community)
October 22, 2022
Lavorare con RadarOpus 3.x e il nuovo Synthesis Adonis
webinar in Italian, joint teaching with Dr. Carlo Rezzani (Italy), organized by Cemon (Italy)
September 27, 2022
The role of Clinical Case Registries in promoting the collection of Clinical Case Reports
lecture at the 75th International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Istanbul, Turkey
September 10, 2022
Synthesis Adonis, a new chapter in repertory development
lecture at the 75th International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Istanbul, Turkey
September 9, 2022
Creating Synthesis: unraveling the script of a dream
webinar organized by the RadarOpus Academy (Belgium), hosted by Tim Miller (USA), Luke Norland (England) and Marco Spiezia (Italy)
July 28, 2022
The difference Synthesis Adonis makes in practice
webinar organized by BJain, New Delhi, India
July 28, 2022
Small remedies strategies - cases
workshop in German, given twice at the Deutscher Ärtzekongress für Homöopathie, organized by DZVhÄ, Münster, Germany
May 27–28, 2022
Rethinking the repertory as a springboard
lecture in German at the Deutscher Ärtzekongress für Homöopathie, organized by DZVhÄ, Münster, Germany
May 27, 2022
The making of Adonis
webinar at the HomeoSummit, organized by Naturopathic CE (Dr. Tim Miller), USA
March 29, 2022
12 years to get to Synthesis Adonis – History, explanations and examples
webinar organized by Arcanum, Lysekil, Sweden
March 24, 2022
2021
Expanding the repertory – a balancing act
webinar at the LMHI Global Colloquium 2021 (Liga Medicorum Homoeopathica Internationalis) “Homeopathy: a medical science ahead of it’s time”
December 12, 2021
Taking the Genus Epidemicus into the 21st century
webinar organized by the Clificol Scientific Committee (Italy)
December 2, 2021
Bönninghausen’s strategies - Misunderstandings and explanations, featuring Dimitriadis’ and Frei’s contribution
webinar organized by the RadarOpus Academy (Belgium), hosted by Tim Miller (USA)
June 3, 2021
Treating epidemics for curious homeopaths – Including Covid-19 pandemic information
webinar organized by the Clificol Scientific Committee (Italy), hosted by Maree Eccleston (Australia)
May 6, 2021
New repertorial strategies for case analysis
webinar at the 16th Annual Joint American Homeopathic Conference (JAHC) organized by the National Center for Homeopathy (NCH), Reston, Washington, VA (USA)
April 25, 2021
Five days webinar as part of the Graduate Diploma in Alternative Medicine - Homeopathy
organized by the College of Oriental Medicine, Rangsit University, Pathumthani, Thailand and the Directory for Alternative Medicine, Ministry of Health, Bangkok and The Homeopathic Association of Thailand, split into separate sessions on
January 22 and 23, March 19, June 4 and September 24, 2021
2020
Making additions and analyzing cases
webinar at the 15th Annual Joint American Homeopathic Conference (JAHC) organized by the National Center for Homeopathy (NCH), Global Virtual Summit, USA
June 11, 2020
Revisiting the genus epidemicus in the 21st century: Clificol support project
webinar at the 15th Annual Joint American Homeopathic Conference (JAHC) organized by the National Center for Homeopathy (NCH), Global Virtual Summit, USA
June 14, 2020
Some reasons to embrace the repertory
Inauguration lecture at the Globinar on Homeopathic Repertory “Linking medicine, principles and patients” organized by the Homeopathic Science Congress Society, in collaboration with Homeopathy 360, Patna, India
September 19, 2020
Synthesis: past, present and future
webinar at the HomeoSummit, organized by Naturopathic CE (Dr. Tim Miller), USA
October 2, 2020
Synthesis Repertory and Digital Homeopathic Practice
webinar THA (The Homeopathic Academy), New Delhi, India
November 27, 2020
2019
Four ways to rejuvenate your practice
four lectures at the video recording studio of THA (The Homeopathic Academy), New Delhi, India
December 14–16, 2019
RadarOpus: new avenues to enhance your practice
lecture at the 74th International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Sorrento, Italy
September 27, 2019
Tracing the similimum family
lecture at the 74th International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Sorrento, Italy
September 25, 2019
Identifying a small remedy, using different methods af analysis
lecture at the 4th Advanced Homeopathic Seminar, at the Summer School, organized by the Hellenic Homeopathic Medical Society (HHMS), Tinos, Greece
June 26–30, 2019
The Past and the Future
welcome speech at the 4th International Homeopathic Research Conference, organized by HRI (Homeopathy Research Institute), London, England
June 14, 2019
Six days seminar as part of the Graduate Diploma in Alternative Medicine - Homeopathy
organized by the College of Oriental Medicine, Rangsit University, Pathumthani, Thailand and the Directory for Alternative Medicine, Ministry of Health, Bangkok and The Homeopathic Association of Thailand at the University of Rangsit, Pathumthani, Thailand
February 18–23, 2019
2018
Evidence Based Homeopathy - from a simple patient file to research data
webinar lecture for Werner Kerschbaumer (South Africa) and Maree Eccleston (Australia) and their respective students
November 22, 2018
CliFiCol database and its importance for the development of homeopathy
lecture at the European Congress of Homeopathy, organized by the European Committee for Homeopathy (ECH), Sofia, Bulgaria
November 17, 2018
Homeopathy One – old and new remedies and approaches
lecture at the biennial British Homeopathic Congress, organized by the Faculty of Homeopathy, London, Liverpool, England
October 11–14, 2018
2017
The Repertory: Reproducibility
lecture at the “Merging of Methods” congress, organized by Homeopathy One, Brugge, Belgium
October 13–15, 2017
Integrating Repertory and Materia Medica
lecture at the 72nd International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Leipzig, Germany
June 14–17, 2017
Making additions including source information
webinar lecture to the Staff and Post-Graduate students of the Motiwala Homeopathic Medical College and Hospital and F.G. Motiwala P.G. Institute of Homoeopathy & Research Centre, Gangapur, Nashik, India
April 6, 2017
Six days seminar as part of the Graduate Diploma in Alternative Medicine - Homeopathy
organized by the College of Oriental Medicine, Rangsit University, Pathumthani, Thailand and the Directory for Alternative Medicine, Ministry of Health, Bangkok and The Homeopathic Association of Thailand at the University of Rangsit, Pathumthani, Thailand
January 16–21, 2017
2016
Coccinella septempunctata: Integrating an Austrian proving into a Multilingual Repertory
lecture at the European Congress of Homeopathy, organized by the European Committee for Homeopathy (ECH), Vienna, Austria
November 19, 2016
How a homeopath's daily work enables ambitious research goals
lecture at the biennial British Homeopathic Congress, organized by the Faculty of Homeopathy, London, Belfast, Ireland
November 3–6, 2016
2015
Clificol: Status November 2015
lecture about Archibel's Clinical File Collection Database at the Subcommittee of Research of the European Committee for Homeopathy (ECH), Brugge, Belgium
November 14, 2015
Analyzing the patient through the Repertory or through the Materia Medica?
lecture at the Summer School of the Hellenic Homeopathic Medical Society (HHMS), Syros, Greece
August 19–23, 2015
2014
Wie kommen klinische Erfahrungen ins Repertorium? (How does Clinical Experience get into the Repertory?)
lecture in German at the International Coethen Exchange of Experiences ICE 14, Köthen (Anhalt), Germany
November 20, 2014
Saving the Treasure of (y)our Clinical Information for all times
lecture at the 69th International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Paris, France
July 14–19, 2014
2013
Het Repertorium als Pilaar voor onze Middelkeuze (The Repertory as a Pillar for the Choice of the Remedy)
lecture at the 25-year Jubilee of the Hahnemann Instituut Nederland, Den Haag, Netherlands
May 11, 2013
Therapeutics of Sinusitis, with Cases
lecture at the 8th Annual Joint American Homeopathic Conference (JAHC) organized by the National Center for Homeopathy (NCH), Reston, Washington, VA (USA)
April 20, 2013
Post Graduate Course, Clinical Case Conference
a two day seminar with Dr. Léon Scheepers (Belgium) for the Homeopathic Association of Thailand, Bangkok, Thailand
April 6–7, 2013
Four days seminar as part of the Graduate Diploma in Alternative Medicine - Homeopathy
organized by the Ministry of Health, Bangkok and The Homeopathic Association of Thailand at the Faculty of Medicine, University of Mahidol, Nakhon Pathom, Thailand
March 29 – April 1, 2013
Uso Clinico dei Sogni in Omeopatia dal 1805 (Clinical Use of Dreams in Homeopathy since 1805)
lecture in Italian at the Second Congresso Internazionale di Medicina Integrata, organized by the Research Institute in Clinical Homeopathy, Acupuncture, Psychotherapy and Anti-aging Medicine at CNR (Instituto del Consiglio Nazionale delle Ricerche), Bologna, Italy
March 23, 2013
Homeopathic Reflections on the Development of Integrative Medicine
lecture at the Glasgow Homeopathic Hospital, Glasgow, Scotland
February 7, 2013
Six ways of using time in homeopathy
webinar lecture for WholeHealthNow, USA
February 2, 2013
2012
Repertory and repertorizing: the beginner and the expert
seminar organized by the Homeopathic Academy of Southern California, Carlsbad, USA
November 10–11, 2012
Introducing RadarOpus in Daily Practice
webinar lecture organized by Archibel, Belgium
October 25, 2012
RadarOpus in der täglichen Praxis (RadarOpus in Daily Practice)
webinar lecture in German for the Hahnemann Institut, Greifenberg, Germany
July 12, 2012
Post Graduate Course about Organon of Samuel Hahnemann and Repertorization
a five day seminar with Prof. George Vithoulkas (Greece) at the International Academy of Classical Homeopathy, Alonissos, Greece
June 19–23, 2012
Five days seminar as part of the Graduate Diploma in Alternative Medicine - Homeopathy
organized by the Ministry of Health, Bangkok and The Homeopathic Association of Thailand at the Faculty of Medicine, University of Mahidol, Nakhon Pathom, Thailand
March 5–9, 2012
Finding small remedies in your daily practice
a post-graduate seminar with Dr. Guy Kokelenberg (Belgium) for the Homeopathic Association of Thailand, Asia Hotel, Bangkok
March 3–4, 2012
2011
New ways of solving cases with RadarOpus
webinar lecture for WholeHealthNow, USA
September 25, 2011
Information finden in Synthesis 2011 (Finding information in Synthesis 2011)
lecture in German at the 161st annual National Congress of the DZVhÄ, Köln, Germany
June 2–4, 2011
Die Nächste Generation Homöopathischer Software (Practicing Homeopathy with the Next Generation of Homeopathic Software)
lecture in German at the 161st annual National Congress of the DZVhÄ, Köln, Germany
June 2–4, 2011
La Répertoristion: passé, dépassé, ou futur? Une réponse à travers des cas
Seminar in French organized by INHF (Institut National Homéopathique Français), Paris, France
May 28, 2011
How to improve on repertorizing children
lecture at the 1st European Congress of Homeopathy, Riga, Latvia
May 18–21, 2011
2010
Four days seminar as part of the Graduate Diploma in Alternative Medicine - Homeopathy
organized by the Ministry of Health, Bangkok and the University of Ubon Ratchathani, Thailand
July 28–31, 2010
Removing the Limitations of Current Homeopathic Software
lecture at the 65th International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Redondo Beach, CA, USA
May 22, 2010
The Secrets of Follow Up and Dosage
seminar at the Canadian College for Naturopathic Medicine (CCNM), Toronto, ONT, Canada
May 8–9, 2010
Intégration des symptômes de la MM dans les répertoires. Y a-t-il une méthode? (Access to Ever Increasing Homeopathic Information)
lecture in French at the 21st International Congress of the Centre Liégeois d'Homéopathie, Spa, Belgium
March 19, 2010
In and Outs of Acute Prescribing
teleconference lecture with Prof. Dr. Claudio Araujo (Rio de Janeiro) for WholeHealthNow, USA
March 13, 2010
2009
The Efficacy of Homeopathy in the Treatment of Epidemics
lecture at the 15th Annual Congress of the Hellenic Homeopathic Medical Society, Athens, Greece
December 5, 2009
Present and Future Highlights of Radar, EH, ...: a Practical Guide towards a Better Use
lecture at the International Business School for the Hungarian Homeopathic Medical Association, Budapest, Hungary
November 15, 2009
The Logic of Creating and Finding Repertory Rubrics
lecture at the International Business School for the Association of the Homeopathic Art of Healing and the Hungarian Homeopathic Medical Association, Budapest, Hungary
November 15, 2009
Einen einzigen Satz verstehen macht den Unterschied (Understanding One Single Sentence Makes the Difference)
lecture in German at the International Coethen Exchange of Experiences ICE 9, Köthen (Anhalt), Germany
October 9, 2009
Eine Methode, Prüfungssymptome ins Repertorium zu übertragen (Our Method of Creating Access to Proving Symptoms)
lecture in German at the International Coethen Exchange of Experiences ICE 9, Köthen (Anhalt), Germany
October 9, 2009
Six days seminar as part of the Graduate Diploma in Alternative Medicine - Homeopathy
organized by the Ministry of Health, Bangkok and the University of Ubon Ratchathani, Thailand
July 27 – August 1, 2009
Erkenntnistheoretische Entwicklung homöopathischer Familien (The epistemology of the homeopathic family information)
lecture in German at the 159th annual National Congress of the DZVhÄ, Bingen, Germany
May 21, 2009
Mit den Themen und Konzepten die Sprachbarriere des Repertoriums überwinden (Themes and Concepts Conquer the Language Barrier of the Repertory)
lecture in German at the 159th annual National Congress of the DZVhÄ, Bingen, Germany
May 21, 2009
2008
A journey from visible to invisible
seminar organized by G. D. Memorial Homeopathic Medical College & Hospital Patna (Dr. M. K. Sahani), Patna, India
February 2–3, 2008
East meets West II
International Five Day Clinical Training Seminar, joint teaching with Tarkeshwar Jain, Farokh Master and D. P. Rastogi, Jaipur, India
February 6–10, 2008
Das Similimum richtig dosiert - sicher zum Erfolg
seminar taught in German, organized by Schule für Klassische Homöopathie Zürich, Switzerland
April 12–13, 2008
Repertorizing a Proving Faster and Easier
lecture at the 62nd International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Oostende, Belgium
May 24, 2008
Repertory and Computer; Past, Present and Future
lecture at the 62nd International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Oostende, Belgium
May 25, 2008
The Essential Synthesis: Back to Essentials
lectures to the Russian Postgraduate Course at the International Academy of Classical Homeopathy, Alonissos, Greece
September 9–10, 2008
Homeopathy: Theory, Practice and Research
introductory lecture for GP’s at the Vithosha Park Hotel, Sofia, Bulgaria
October 3, 2008
Taking the Case: Steps from Scratch to Repertorial Relevance
seminar at the International Conference of the Association of Homeopathic Physicians in Bulgaria, Sofia, Bulgaria
October 4, 2008
Our Best Cases are our Best Teachers
lecture at the University of Forestry, Sofia, Bulgaria
October 4, 2008
Six days seminar as part of the Graduate Diploma in Alternative Medicine - Homeopathy
organized by the Ministry of Health, Bangkok and the University of Ubon Ratchathani, Thailand
November 24–29, 2008
2007
Repertorizing two Mexican provings, agave mexicana and euphorbia pulcherrima
workshop at the 61st International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Puebla, Mexico
August 9, 2007
Repertorizing a proving - state of the art
lecture at the 61st International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Puebla, Mexico
August 9, 2007
The Reliability of Repertory Information
lecture in German at the International Hahnemann Congress, Ettlingen, Germany
September 29, 2007
The Essential Synthesis - Shifting Reliability of the Repertory
teleconference lecture for WholeHealthNow, USA
October 6, 2007
The Language of the Patient De-mystified
seminar organized by the Homeopathic Academy of Southern California, Carlsbad, USA
November 10–11, 2007
2006
Evoking the Relevant Mind Questions Easily - last part
Teleconference lecture organized by WholeHealthNow, USA
September 9, 2006
Evoking the Relevant Homeopathic Questions Easily - part 2
Teleconference lecture organized by WholeHealthNow, USA
June 2006
Evoking the Relevant Homeopathic Questions Easily - part 1
Teleconference lecture organized by WholeHealthNow, USA
March 2006
Die Dosierung - ein Problem?
seminar taught in German, organized by the Europäische Akademie für Klassische Homöopathie, Stockdorf, Germany
June 30 – July 2, 2006
The unprejudiced observer
seminar taught in English, translated in Japanese, organized by The Japan Royal Academy of Homoeopathy, London, England
December 1, 2006
2005
Access to all words ever spoken
lecture during the XX National Congress of the Romanian Society of Homeopathy, Bucharest, Romania
September 24, 2005
Homeopathic Questions
lecture to the Postgraduate Family Doctors Training Course, Faculty of Medicine, Bucharest, Romania
September 24, 2005
The Language of the Patient
seminar organized by the Romanian Society of Homeopathy during its XX National Congress, Bucharest, Romania
September 22–23, 2005
4 Themes of Repertorizing
lectures at the International Academy of Classical Homeopathy, Alonissos, Greece
August 26 – September 6, 2005
Die Sprache des Patienten
seminar organized by Schule für Klassische Homöopathie Zürich, Switzerland
November 26–27, 2005
Utbildningsseminarium
seminar organized by Arcanum, Göteborg, Sweden
October 15–16, 2005
Die Sprache des Patienten
seminar organized by Europäische Akademie für Klassische Homöopathie, Stockdorf, Germany
June 10–12, 2005
The Language of the Patient
seminar organized by Arbor vitae, Prague, Czechia
May 22–24, 2005
The Challenge of Improving Homeopathy
lecture at the 60th International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Berlin, Germany
May 5, 2005
The Future of the Repertory: the structure of sensations and Boger-Bönninghausen
Teleconference lecture organized by WholeHealthNow, USA
April 2005
Dal Linguaggio del Paziente al Linguaggio del Repertorio
seminar organized by ALMA, Catania, Sicily, Italy
February 18–20, 2005
2004
Teaching via Homeopathic Software
lecture at the UK Seminar for Teachers of Homeopathy, Great Malvern, United Kingdom
December 1, 2004
Two Dramatic Changes to the Repertory
lecture at the 59th International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Buenos Aires, Argentina
October 18–23, 2004
How to Use Rubrics You Didn't Consider Previously
lecture at the National Congress of the Society of Homeopaths, Keele, England
September 19, 2004
Three steps to case taking heaven
lecture at the National Congress of the Society of Homeopaths, Keele, England
September 18, 2004
The Language of the Patient
seminar organized by the Europäische Akademie für Klassische Homöopathie, Stockdorf, Germany and the International Academy of Classical Homeopathy, Alonissos, Greece
June 10–14, 2004
New Developments in Repertory Analysis
Teleconference lecture organized by WholeHealthNow, USA
February 2004
2003
What have they done to the Repertory - The London Milestone Lecture: presenting Synthesis 9
lecture at the Faculty of Homeopathy, London, England
November 6, 2003
Qualität in die Entwicklung von Synthesis 9
lecture at the LMHI Congress, Graz, Austria
April 24, 2003
Il Linguagio del Patiente
seminar in Italian, joint teaching with Dr. Roberto Petrucci, Centro di Omeopatia, Milano, Italy
April 3–6, 2003
I Gradi nel Repertorio: Bilanciamento fra Dati Sperimentali e Dati Clinici
lecture for the Società Italiana di Medicina Omeopatica, Verona, Italy
March 1, 2003
L'affidabilità delle Aggiunte Repertoriale Contemporanee
lecture for the Società Italiana di Medicina Omeopatica, Verona, Italy
March 1, 2003
2001
Adding speculative information to the Repertory
lecture at the LMHI Congress, Sibiu, Romania
September 1, 2001
2000
Aportaciones del Repertorio Synthesis a la Homeopatia del Nuevo Siglo
lecture at the Hospital Nacional Homeopatico, Mexico D.F., Mexico
September 1, 2000
Nueva Enciclopedia Homeopatica y Futuro de la Homeopatia en el Siglo XXI
lecture at the Escuela Nacional de Medicina y Homeopatia, Instituto Politecnico Nacional, Mexico D.F., Mexico
August 31, 2000
The Ortega Module: The Miasmatic approach
lecture at the Annual Mexican Homeopathic Conference, Zacatecas, Mexico
August 18, 2000
1997
Clinical cases with a long follow up
Postgraduate Teaching Day of VSU (Vlaamse Studievereniging voor Unitaire Homeopathie), Antwerp, Belgium
February 1, 1997
1996
The Concept of the Repertory
1st National Congress of the Hellenic Homeopathic Medical Society, Athens, Greece
November 23, 1996
Learning Homeopathy: the point of view of the student
51st International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Capri, Italy
October 2–6, 1996
1995
Synthesis: multilingual project of a new repertory
50th International Congress of the LMHI (Liga Medicorum Homoeopathica Internationalis), Oaxaca, Mexico
October 2–6, 1995

