Honorary President, Spanish Association Toxicology (President 1995-2001).
 Honorary Member, Erotic (since 2007, Executive Committee 1992-98).
 President of International Congress of Toxicology (2011) and EUROTOX 1996.
 Expert in European Committees: Chem Agency (2007-2011); CSTE (1991-1997); ESF (1992-97); ILSI (1996-99).

Steering Committee Member, UCL SynBion Synthetic Biology Network (2010).
 Affiliate Member, Institution of Chemical Engineers (2010).
 Member, Biochemical Society (2010).
 Member, Society for General Microbiology (2010).
 Masters Tutor - MEng Biochemical Engineering, MEng Chemical with Biochemical Engineering.
UCL iGEM Coordinator (International Undergraduate Synthetic Biology Competition).

Memberships in Professional Societies/Organizations.
American Association for the Advancement of Science, 2003 – present.
American Society for Biochemistry and Molecular Biology, 2004 – present.

Member of the Protein Society.
Member of the Royal Society of Chemistry.
Royal Society of Chemistry - Biotechnology Group Committee (Chairman 2008 - present).
Associate Member of the Institute of Chemical Enginee.

Member of the Protein Society.
Member of Materials Research Society.
Member of Poster Evaluation Committee for 1st Bioengineering EXPO at Cornell.
Treasurer of Department Graduate and Professional Student Association, Cornell.
Member of Alpha Epsilon (The Honor Society of Agricultural, Food, and Biological Engineering).

Cell Stress Society International (CSSI) member.
American Association for Cancer Research (AACR) active member.