Siberut Association Green takes the form of associations. This society is based on individual membership and is open. PASIH supported by staff from diverse backgrounds and experiences of diverse organizations. In connection with the development of local human resources and women, giving priority to community PASIH Siberut. Almost 100% PASIH members are local people who were born and lived on the island of Siberut.

PASIH Organizational Structure is as follows:

• Joseph Napitupulu (Chairman)
  Desnita Natalia (Secretary)
  Indah Fajarwati (Finance Manager)
  Alexius Samaileppet (Community Expert)
  Aloysius Widya Utama (Agroforestry expert)
  Andreas Seppungan
  Linus Salimu (Volunteer)
  Mesty Gultom (Volunteer)
  John (Agriculture worker)
  Gombui (Agriculture worker)