National Associations:
| Austria | Markus Pitschedell | m.pitschedell@elisabethinum.at |
| Brazil | Mauricio K. Garcia | mauricio.garcia@hcnet.usp.br |
| Denmark | Bodil Fons Knudsen | bodilfoens@hotmail.com |
| Japan | Junko Egami | halliwick@yf7.so-net.ne.jp |
| Malta | Christine Grech | christinegt@keyworld.net |
| Slovenia | Neda Rotar | neda.rotar@telemach.net |
| Switzerland | Maria Kueng | m.kueng@mails.ch |
| Françoise Rey | ingridvangeel@tvs2net.ch | |
| UK | Eric Diley | www.halliwick.org.uk/contact-us/ |
| Ireland | Norma Mulcahy | halliwicksai@gmail.com |
Individuals in a country with no National Association affiliated to IHA:
| Argentina | Rodolfo Sangla | rsangla@argentina.com |
| Australia | Helen Latimer | hjmlatimer@yahoo.com.au |
| Belgium | Jean-Pierre Maes | jean_pierre_maes@hotmail.com |
| Chile | Alexa Schiess | alexa@schiess.cl |
| Croatia | Ana Srsen | ana.srsenzt@t-com.hr |
| Cyprus | Matina Lamari | matina.lamari@cytanet.com.cy |
| Germany | Thomas Schick | schick@halliwick.de |
| Claudia Stier | ||
| Israel | Merav Hadar-Frumer | meravhf@walla.com |
| Ilanit Weigenfeld Lahav | ilanitw@beitissie.org.il | |
| Yael Yoshei | yaely@beitissie.org.il | |
| Norway | Inger-Lise Sorbo | kvalaberg.barnehage@stavanger.kommune.no |
| Poland | Anna Olasinska | aolasinska@op.pl |
| Izabela Libold | kontakt@terapiawodnalibold.pl | |
| Spain | Isabel Gavina Barroso | igavinabarroso@hotmail.com |
| Montserrat Gutierrez Bassas | jmsarda@aol.com | |
| Jordi Cassanya | nyer@ya.com | |
| Marta Prat Escoba | fbalaguerprat@hotmail.com | |
| Sweden | Anne Asterhäll | anne@swim.se |
| Asa Lundvall | asa.lunvall@comhem.se |
