Ulisses Mello is member and affiliated with the following organizations:

AIC
    - American Institute for Conservation of Historic and Artistic Works
      Wooden Artifact Specialty Group


UKIC
    - United Kingdom Institute of Conservation

ABRACOR
    - Associação Brasileira de Conservadores e Restauradores


ART CARE INTERNATIONAL, INC
    - Patent holder of the anoxic treatment technique
  
• ART CONSORTIUM
    - A net of conservators, restorers and scientists experts in different fields in       conservation and restoration around the world.
   
CEIB
   - Brazilian Center for Icon Studies