Note that some of these HANDLE Supervisory Practitioners provide services in additional locations.
| Practitioner Certification Supervisors in North America | |
Name |
Country |
| Kimberly Lauger | Arizona, USA; New Mexico, USA |
| Valerie MacLean | Toronto, Canada |
| Daphne MacNeil | California, USA |
| Carolyn Nuyens | California, USA |
| Janet Oliver | Minnesota, USA |
| Pamela Ruffner | Washington State, USA |
| Judith Russell | Vancouver, Canada; Arizona, USA; Nevada, USA; Oregon, USA |
| Cathy Stingley | Alaska, USA; Canada |
| Marlene Suliteanu | Southern California, USA; Sarasota, Florida, USA |
| Marianne Wagner | Olympia, Washington, USA |
| Sindy Appel Wilkinson | Walnut Creek, California, USA |
| Pamela York | Palo Alto, California, USA |
| Practitioner Course Supervisors Outside North America |
|
Name |
Country |
| Susan Haverty | Hertford, England; Australia |
| Rosemarie Mason | England; Ireland |
| Mary Robson | Queensland, Australia; New Zealand; Malaysia; Hong Kong |
| Bryn Regan | Wales |
| Madeline Stadler-Weber | Switzerland |
| Cathy Stingley | Europe |
| Marianne Wagner | Switzerland |
| Sean Williams | East Sussex, England; Czech Republic |