| PDC Istanbul November 2010 |
| Type: Permaculture Design Certificate (PDC) course |
| Verifying teacher: Geoff Lawton |
| Other Teachers: Bill Mollison |
| Location: Istanbul |
| Date: Nov 2010 |
| Permaculture Teacher Training |
| Type: Teacher Training |
| Teacher: Rowe Morrow |
| Location: Quinta do Vale Da Lama |
| Date: Sep 2013 |
| Bioconstruction |
| Type: Other |
| Verifying teacher: Filipa Santos |
| Other Teachers: Maurício Umann, Paulo Costa |
| Location: O Fojo, Portugal |
| Date: Jul 2011 |
| Keyline Design |
| Type: Other |
| Teacher: Jesús Ruiz Gámez |
| Location: Courela da Ponte-Velha |
| Date: Oct 2014 |
| Forest Gardening Course |
| Type: Gardening |
| Teacher: Doug Crouch |
| Location: Terra Alta |
| Date: Nov 2014 |
| 0 PDC Graduates (list) |
| 0 PRI PDC Graduates (list) |
| 0 Other Course Graduates (list) |
| have acknowledged being taught by Dennis Posthumus |
| 0 have not yet been verified (list) |
| Dennis Posthumus has permaculture experience in: |
|---|
| Cold Temperate |
| Cool Temperate |
| Warm Temperate |
| Mediterranean |
| Semi Arid |
