• JANUARY 8TH
  WAGENINGEN - THE NETHERLANDS
  Invitation from the study association "De Veetelers" (The Livestock) to Animal Science students from Wageningen University (WUR).
  Speaker

• APRIL 4TH-5TH
  LISBON - PORTUGAL
  Presentations on behavior, welfare and human-animal/child relationships at the invitation of Study Group 'Fauna', veterinary students at the University of Lisbon.
  Speaker

• MAY 3TH-4TH
  VIRGINIA - USA
  Invited seminar and workshops for veterinary students at the University of Virginia.
  Speaker

• MAY 10TH-11TH
  EDINBURGH -SCHOTLAND
  Seminar invited by Study Group Veterinary students and Prof. Andrew Gardiner (professor of behavior and animal welfare).
  Speaker

• SEPTEMBER 18TH-19TH
  HELSINKI - FINLAND
  Participant in the European Society of Veterinary Clinical Ethology Congress.

• OCTOBER 3TH-6TH 
  PHOENIX - USA
  Presenting two master classes ('The prevention of respiratory problems in parrots' & 'The prevention of behavioral and welfare problems') during the AAV Anniversary Congress in Phoenix.
  Speaker
  
  Retrospective
  
  OCTOBER 25th
  DRIEBERGEN - THE NETHERLANDS
  Participant in the Congress “Back to the Future” organized by the Doctors (Corona) Collective Foundation.
   
  NOVEMBER 29TH-30TH
  LONDON - UK
  Presenting the seminar and workshops for veterinary students and colleagues at the invitation of Royal College of Veterinary Medicine in London.
  Speaker

2024

• OKTOBER
  NORTH CAROLINA STATE UNIVERSITY - USA
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• SEPTEMBER
  COLORADO STATE UNIVERSITY - USA
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• AUGUSTUS/SEPTEMBER
  OSLO UNIVERSITY - NORWAY
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• JUNI
  KANSAS CITY - USA
  International Conference AAV. Masterclass with dr. Irene Pepperberg.
  Speaker
  
  
• MEI
  ICARE GHENT - BELGIUM
  Intern. Conference ICARE, European AAV. Masterclass with dr. Irene Pepperberg.
  Speaker
  
  
• MAART
  REDLANDS UNIVERSITY CALIFORNIA - USA
  Seminar/workshops for students together with dr. Irene Pepperberg.
  Speaker
  
  

2023

• OKTOBER
  TENNESSEE UNIVERSITY - USA
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• SEPTEMBER
  AMERSFOORT - THE NETHERLANDS
  Conference Zoobiquity, georganiseerd door Hygieia.
  
  LINCON UNIVERSITY - UK
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• AUGUSTUS
  BOSTON EXOTICSCON - USA
  International Conference AAV
  Speaker
  
  
• MEI
  UTRECHT UNIVERSITY - THE NETHERLANDS
  Doe Dag van Archaeopteryx.
  Speaker & exhibitor
  
  
• MAART
  HONG KONG UNIVERSITY - CHINA
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• FEBRUARI
  MICHICAN STATE UNIVERSITY - USA
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• JANUARI
  MADRID UNIVERSITY - SPAIN
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker

• NOVEMBER
  SYDNEY - AUSTRALIA
  International AAVAC conference.
  Keynote speaker
  
  NEWCASTLE UNIVERSITY - AUSTRALIA
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  DEN BOSCH – THE NETHERLANDS
  DierenLot congres.
  Speaker
  
  
• OCTOBER
  MEPPEL – THE NETHERLANDS
  Lecture evening at Riemer Bookstore, book presentations. "The Secret of the Preschool Teacher" and "We Miss Our Minou! The Problem of Stray Cats."
  Speaker
  
  DRIEBERGEN – THE NETHERLANDS
  Caring Vets Congres.
  
  UTRECHT UNIVERSITEIT – THE NETHERLANDS
  Archaeopteryx information market. Booth, educating veterinary students.
  Speaker
  
  
• AUGUST
  DENVER - USA
  International Conference AAV. Masterclass.
  Speaker
  
  
• JUNE
  UTRECHT UNIVERSITY – THE NETHERLANDS
  Seminar with Dr. Irene Pepperberg.
  Speaker
  
  
• APRIL
  THE NETHERLANDS
  Stray cats congres.
  Speaker

• Corona

• NOVEMBER
  ILLINOIS UNIVERSITY - USA
  Webinar about Behavior, Intelligence, cognition, Preventing-dealing with and Solving behavioral problems. Ensuring the welfare of Parrots.
  Speaker

• NOVEMBER
  DEN BOSCH - THE NETHERLANDS
  Conference DierenLot for volunteers in the field of animal rescue and animal ambulances.
  Speaker
  
  
• OKTOBER
  TOULOUSE UNVERSITY - FRANCE
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• OKTOBER
  UTRECHT UNIVERSITY - THE NETHERLANDS
  International  Conference AAV . Exoticscon.
  Speaker 
  
  
• SEPTEMBER
  ST. LOUIS - USA
  International  Conference AAV . Masterclass.
  Speaker
  
  
• MAY
  EDINGBURG UNIVERSITY - SCOTLAND
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• MAY 18TH
  UTRECHT UNIVERSITY - THE NETHERLANDS
  Symposium Archaeopteryx ; Welfare and Health in Parrots in captivity.
  Speaker
  
  
• APRIL
  LONDON - UK
  ICARE international EAAV conference.
  Speaker
  
  
• FEBRUARY
  RAAD VAN DIERAANGELEGENHEDEN - THE NETHERLANDS
  Conference Raad van Dieraangelegenheden. (RDA)
  Speaker
  
  
• JANUARY
  REDLANDS UNIVERSITY - CALIFORNIA
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg .
  Speaker

• NOVEMBER
  DEN BOSCH - THE NETHERLANDS
  Conference DierenLot for volunteers in the field of animal rescue and animal ambulances.
  Speaker
  
  
• NOVEMBER
  CASTENRAY - THE NETHERLANDS
  Conference Caring Vets . Etics and animal welfare.
  Speaker
  
  
• OKTOBER
  UTRECHT UNIVERSITY – THE NETHERLANDS
  Archaeopteryx Information, educating veterinary students.
  Speaker
  
  
• SEPTEMBER
  ATLANTA - USA
  International Conference AAV. Masterclass.
  Speaker
  
  
• FEBRUARY
  MEXICO CITY - MEXICO
  Minding An imals Conference.
  Speaker.
  
  
• JANUARY
  MEXICO CITY UNIVERSITY - MEXICO
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker

• DECEMBER
  ARNHEM  ZOO - THE NETHERLANDS
  Seminar for Students in Biology , about Behavior and Welfare. Ttogether wih dr. Pepperberg.
  Speaker
  
  
• DECEMBER
  GENT UNIVERSITY - BELGIUM
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• AUGUST
  WASHINGTON - USA
  International Conference AAV. Masterclass.
  Speaker
  
  
• JUNE
  OSLO UNIVERSITY - NORWAY
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• MAY
  UNIVERSITY OF  UTRECHT - THE NETHERLANDS
  3 evening seminars for Archaeopteryx about Avian Medicine in daily practice.
  Speaker

• JUNE
  MEXICO CITY UNIVERSITY - MEXICO
  Invited by the department of ethology to present a one day seminar about behavior-welfare.
  Speaker
  
  
• AUGUST
  
  PORTLAND - USA
  37th Annual Conference of the Association of Avian Veterinarians (AAV). Wetlab about handling parrot’s.
  Speaker
  
  
• AUGUST
  TENNESSEE UNIVERSITY - USA
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker

2015

• DECEMBER
  SAO PAULO - BRASIL
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• DECEMBER
  BELEM - BRASIL
  Conference about Animal Behavior.
  Keynote speaker
  
  
• AUGUST
  SAN ANTONIO - USA
  36th Annual Conference of the Association of Avian Veterinarians (AAV).
  Speaker
  
  
• MAY
  MUNICH  UNIVERSITY - GERMANY
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker

• FEBRUARY
  UC DAVIS  UNIVERSITY - USA   
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker

• OCTOBER
  TEXAS A & M UNIVERSITY - USA
  Seminar/workshops for veterinary students together with dr. Irene Pepperberg.
  Speaker
  
  
• AUGUST
  NEW ORLEANS - USA
  35th Annual Conference of the Association of Avian Veterinarians (AAV).
  Speaker

• SEPTEMBER 12TH-13TH
  UTRECHT - THE NETHERLANDS
  Workshop For Veterinary Practitioners. Improving Animal Welfare: A Practical Approach. Organised by the European Commision, KNMvD, Ministerie van Economische Zaken, FVE.
  Speaker
  
  
• SEPTEMBER
  LISBON - PORTUGAL
  STVV-ESVCE-ECAVBM  9th Veterinary Behavior Conference.
  Speaker
  
  
• AUGUST 3TH-7TH
  JACKSONVILLE - USA
  34th Annual Association of Avian Veterinarians Conference.
  Speaker
  
  
• APRIL 20TH-26TH
  WIESBADEN - GERMANY
  Conference of the European Association of Avian Veterinarians (EAAV).
  Speaker

• SEPTEMBER 7TH-9TH
  MARTIGNY -SWITZERLAND
  18th Annual Meeting of the European Society of Veterinary Clinical Ethology (ESVCE).
  2nd Annual Meeting of the European College of Animal Welfare and Behavioural Medicine (ECAWBM).
  Annual Meeting of the Swiss Society of Veterinary Behavioural Medicine (STVV).
  Speaker
  
  
• JUNI 4TH-6TH
  UTRECHT - THE NETHERLANDS
  Minding Animals, International conference concerning animal welfare.
  Speaker
  
  
• JUNI 2TH
  BARNEVELD - THE NETHERLANDS
  PVH Symposium, ‘U en uw huisdier, de perfecte match’.
  Speaker            
  
  
• MARCH
  MÜNCHEN UNIVERSITY - GERMANY
  DVG Vogeltagung (presenter behavior wetlab).
  Speaker

• NOVEMBER 26TH-27TH
  AVIGNON - FRANCE           
  Annual Meeting European Society of Veterinary Clinical Ethology (ESVCE).
  Keynote speaker
  
  
• AUGUST
  SEATTLE - USA
  Annual Conference of the Association of Avian Veterinarians (AAV). roudtable discussion about negative effect of handrearing parrots.
  Speaker-chairman
  
  
• APRIL
  MADRID - SPAIN
  11th European EAAV Conference.
  Speaker, behaviour wetlab instructor

• NOVEMBER
  UTRECHT - THE NETHERLANDS
  Het Diergedragsymposium/Animal Behaviour Symposium.
  Organizer, speaker
  
  
• NOVEMBER
  LONDON - UK
  Conference British Veterinary Zoological Society.
  Keynote speaker
  
  
• NOVEMBER
  QUELPH - CANADA
  Canadian Parrot Society Conference.
  Keynote speaker
  
  
• AUGUST
  SAN DIEGO - USA
  Annual Conference of the Association of Avian Veterinarians (AAV). Speaker at the Avian Welfare Symposium.
  Speaker
  
  
• MAY
  LONDON - UK
  Conference Parrot Society England.
  Speaker
  
  
•  MARCH 4TH-6TH
  MÜNCHEN UNIVERSITY - GERMANY
  16th Tagung über Vogelkrankheiten.
  Speaker

• NOVEMBER 27TH-29TH
  LILLE - FRANCE
  15th FECAVA Eurocongress.
  Speaker
  
  
• AUGUST
  MILWAUKEE - USA   
  Annual Conference of the Association of Avian Veterinarians.
  Speaker
  
  
• MARCH
  ANTWERP - BELGIUM
  Presenter wetlab: ‘Parrot behavior, Handling Parrots, Dealing with Behavior Problems’ at the conference of the European Association of Avian Veterinarians (EAAV).
  Speaker

• NOVEMBER 20TH-22TH
  UTAH – USA
  Best Friends Animal shelter. Seminar ‘Handling Parrots and dealing with behavioural problems in daily practice, how to prevent parrots to end up in parrot rescue’.
  Speaker
  
  
• AUGUST
  SAVANNAH - USA
  Annual Conference of the Association of Avian Veterinarians. Speaker at ‘Avian Behavior and Enrichment Programm’.
  Speaker
  
  
• JULI 4TH
  BREMEN – GERMANY
  Seminar for Parrot breeders.
  keynote spreker
  
  
• JUNI 27TH
  MEPPEL – THE NETHERLANDS
  Course about bird behavior. For the Academy for Holistic Medicine.
  Speaker
  
  
• JUNI 13TH
  SINT NIKOLAAS - BELGIUM
  Seminar Behavioral Problems for Veterinary Technicians. Hogeschool Sint Nikolaas.
  Teacher/speaker
  
  
• MARCH 29TH
  MÜNCHEN UNIVERSITY – GERMANY
  Tagung uber Vogelkrankheiten   Handling Parrots and dealing with behavioural problems in daily practice’.
  Speaker

• NOVEMBER
  HANNOVER - GERMANY
  Second International Conference about Nutrition in Companion Birds.
  Speaker
  
  
• SEPTEMBER
  ARNHEM – THE NETHERLANDS
  Avian and Exotics Conference.
  Speaker
  
  
• AUGUST
  PROVIDENCE - USA
  Annual Conference of the Association of Avian Veterinarians speaker conservation committee.
  Speaker
  
  
• APRIL
  CLEVELAND - USA
  Conference International Association of Animal Behavior Consultants (IAABC).
  Speaker
  
  
• MARCH
  ZÜRICH - SWITZERLAND
  9th European EAAV Conference.
  Speaker & practicum leader

• OKTOBER
  BARNEVELD – THE NTHERLANDS
  Parrot Symposium 2003 of the Parrot and Parakeet Welfare Foundation.
  Speaker
  
  
• SEPTEMBER
  LOUGHBOROUGH - UK
  Avian Conference, Burleigh Court Conference Centre.
  Speaker
  
  
• AUGUST
  PITTSBURGH - USA
  Annual Conference of Association of Avian Veterinarians.
  Speaker
  
  
• APRIL
  TENERIFE - SPAIN
  7th European AAV Conference.
  Speaker

• NOVEMBER
  EDE – THE NETHERLANDS
  Autumn Day Royal Society for Veterinary Medicine.
  Speaker
  
  
• AUGUST
  MONTEREY - USA
  Annual Conference of the AAV.
  Masterclass instructor / speaker
  
  
• SEPTEMBER
  THE NETHERLANDS
  Parrot Symposium 2002, World Parrot Trust en Poicephalus Stamboek Nederland.
  Speaker
  
  
• JANUARI
  UTRECHT UNIVERSITEIT – THE NETHERLANDS
  Congres Geneeskunde van het Gezelschapsdier, groep Geneeskunde Gezelschapsdieren.
  Speaker

• AUGUST
  ORLANDO - USA
  Annual Conference of the Association of Avian Veterinarians.
  Speaker
  
  
• MARCH
  MÜNCHEN UNIVERSITY - GERMANY
  6th European AAV-conference  (speaker, poster presentation, wet lab instruktor).
  Speaker
  
  
• JANUARY
  TAMPA - USA
  Symposium by the Gabriel Foundation ‘Parrots in the New Millenium’.
  Speaker

• AUGUST
  
  PORTLAND - USA
  Annual Conference of the Association of Avian Veterinarians.
  Speaker
  
  
• FEBRUARY
  LAS VEGAS - USA
  Symposium by the Gabriel Foundation ‘Parrots in the New Millenium.
  Speaker

• MAY
  PISA - ITALY
  5th Conference of the European Committee of the AAV, presenting a wetlab concerning Veterinary Care in Racing Pigeons.
  Speaker

• AUGUST
  ST. PAUL - USA
  Annual Conference of the Association of Avian Veterinarians.
  Speaker
  
  ORLANDO - USA
  Annual Conference of the International Avicultural Society.
  Speaker

• 
  HANNOVER - GERMANY
  1st International Symposium on Pet Bird Nutrition.
  Speaker
  
  RENO - USA
  Annual Conference of the AAV.
  Speaker
  
  LONDON - UK
  4th Conference of the European Committee of the AAV.
  Speaker
  
  Jamaica
  2nd International Invitational Symposium on Exotic Companion Medicine.
  Speaker

• 
  COSTA RICA - USA
  1st International Invitational Symposium on Exotic Companion Medicine.
  Speaker
  
  MÜNCHEN UNIVERSITY - GERMANY
  Tagung uber Vogelkrankheiten München.
  Speaker
  
  TAMPA - USA
  Annual Conference of Association of Avian Veterinarians (AAV).
  Speaker

• 
  PHILADELPHIA - USA
  Annual Conference of Association of Avian Veterinarians.
  Speaker
  
  ISRAËL
  3rd Conference of the European Committee Of the AAV.
  Speaker

• 
  MÜNCHEN UNIVERSITY - GERMANY
  Tagung uber Vogelkrankheiten München.
  Speaker
  
  RENO - USA
  Annual Conference of Association of Avian Veterinarians.
  Speaker

• 
  UTRECHT UNIVERSITY – THE NETHERLANDS
  European Conference on Avian Medicine and Surgery.
  Speaker

• 
  MÜNCHEN UNIVERSITY - GERMANY
  Tagung uber Vogelkrankheiten München.
  Speaker
  
  NEW ORLEANS - USA
  Annual Conference of Association of Avian Veterinarians (AAV).
  Speaker

• 
  CHICAGO - USA
  Annual Conference of Association of Avian Veterinarians (AAV).
  Speaker
  
  VIENNA - AUSTRIA
  1st Annual Conference of the European Association of Avian Veterinarians (EAAV).
  Speaker

• 
   MÜNCHEN UNIVERSITY - GERMANY
  Tagung uber Vogelkrankheiten München.
  Speaker
  
  PHOENIX - USA
  Annual Conference of the AAV.
  Speaker

• 
  SEATTLE - USA
  My first participation at the Annual Conference of the AAV in the USA.
  Speaker                     

• MAART
  UTRECHT UNIVERSITY – THE NETHERLANDS
  2nd European Symposium on Avian Medicine and Surgery.
  Organized by the Dutch Association of Avian Veterinarians.
  Speaker

• 
  MÜNCHEN UNIVERSITY - GERMANY
  Tagung uber Vogelkrankheiten München.
  Speaker

• 
  BEERSE - BELGIUM
  1st international European Symposium on Bird Diseases.
  Organized by the Dutch Association of pigeon Veterinarians.
  Speaker

• 
  MÜNCHEN UNIVERSITY - GERMANY
  Tagung über Vogelkrankheiten München.
  Speaker

• 
  MÜNCHEN UNIVERSITY - GERMANY
  Tagung über Vogelkrankheiten München.
  Speaker