Professor Juan Travesi is a A.S.H.R.A.E. MEMBER (American Society of Heating, Refrigerating & Air Conditioning Engineers) since December 1999. Today he is the responsible person for the technical and conferences committee at the Spain Chapter of ASHRAE. He is a ATECYR MEMBER since January 2002 and today he is a member of the board of governors of Madrid Group. He is a member of the board of governors of AEDICI (Asociación Española de Ingenierías e Ingenieros Consultores de Instalaciones). Since 1995 he has been working as a design engineer at A.C.H. S.L.. Today he is the main engineer and principal partner of the company since 2005.