ERCOFTAC is a globaly renowned association in the field of Fluid Dynamics. It was established over 25 years ago, as a key EU platform for academia and industry to network, share and disseminate cutting-edge ideas in the field of Fluid Dynamics. Since then it has established itself as one of the guiding lights in this field, with numerous seminars, workshops, and its flagship conference ETMM. fFurthermore, since 2000, it has been active in the field of Best Practice Guidance CFD. In that manner, it has organised and delivered 3 BPG CFD Books, on singlephase, multiphase and recently combustion, making it a unique association, where the BPG mission is part of an overall strategy to educate and inform at the cutting-edge of science and engineering.