1. COST Action CM 1106, 2012-2016: STEMCHEMChemical Approaches to Targeting Drug Resistance in Cancer Stem Cells

2. COST Action CM 602, 2007-2011: ANGIOKEM-Inhibitors of angiogenesis: design, synthesis and biological exploitation”,

3. COST Action D28/008/03, 2003-2008: Stereoselective synthesis of piperidine derivatives as useful synthons for target-oriented and diversity-oriented synthesis of bioactive products and analogues