The OpenIFS project team is: Glenn Carver (project manager) in Numerical Aspects, and Filip Vana in Physical Aspects, both in the Research Department at ECMWF.

OpenIFS is overseen internally by the OpenIFS Steering Committee: Walter Zwieflhofer (chair), Erland Kallen, Peter Bauer, Umberto Modigliani, Deborah Salmond.

Other ECMWF personnel have also contributed significantly to the project and they are:

Paul Burton, Elizabeth Joyce, George Mozdzynski, Daniel Varela Santoalla, Peter Towers, Tomas Wilhelmsson.

We are grateful to our many other ECMWF colleagues for providing help and advice, in particular: Anton Beljaars, Mats Hamrud, Agathe Untch, Nils Wedi and Rob Hine for designing the OpenIFS logo & artwork.

Thanks are also due to our colleagues at the UK Meteorological Office for their assistance with FCM: David Matthews and Matt Shin.

A final thanks to those early users of the OpenIFS code who provided valuable feedback and technical assistance.