Participants from the following stakeholder groups are invited to serve as Observers: RSPO-accredited Certification Bodies, RSPO Affiliate and RSPO Supply Chain Associate Members, as well as representatives from other voluntary sustainability schemes.
| Sector | Maximum Number of Seats |
| RSPO Accredited Certification Bodies (CBs) – ideally representing Europe, North America, Asia, and the Rest of the World (ROW) | 4 |
| RSPO Affiliate Members; RSPO Supply Chain Associates; RSPO Supply Chain Group Managers | 3 |
| Other Voluntary Sustainability Schemes* | 3 |
*Members of the ISEAL Alliance with similar chain of custody standards.
For more details, please refer to the Terms of Reference.
| Membership sector | Substantive observers | Alternate observers | ||
| Supply Chain Group Manager | Björn Wevers | Alioth | Tim Roelandts | Certain BV |
| Supply Chain Associate | Vikrant Sir | PHS Life Sciences Private Limited | [Vacant] | |
| Organisations | Lawrence Law | ASEAN Oleochemical Manufacturers Group | David Ogg | David Ogg and Partners Ltd t/a Checkmark Training |
| Certification Bodies/ Organisations | Adriana Cala | SCS Global Services | Dayangku Mazrianah Pengiran Mahmuddin | Control Union |
| Certification Bodies/ Organisations | Judith Murdoch | BM TRADA | ||
| Certification Bodies/ Organisations | Kendra Bishop | Preferred by Nature | Chaiyaporn Seekao | BSI |
| Certification Bodies/ Organisations | Marta Margarido | SGS | ||
| Voluntary Sustainability Schemes | Josh Taylor | Iseal | ||
| Voluntary Sustainability Schemes | Laszlo Mathe | Assurance Services International | ||
| Voluntary Sustainability Schemes | Leticia Millward (M) | Bonsucro | Norma Tregurtha | Bonsucro |