The editors and publisher wish to express their gratitude to the colleagues listed below for their valuable contribution to the peer review process for the Generics and Biosimilars Initiative Journal (GaBI Journal) in 2021.

Dr Chiann Chang, Brazil
Associate Professor Dr Devrim Demir Dora, Turkey
Dr Thijs J Giezen, The Netherlands
Dr Weng Fai Lai, Singapore
Dr Gerard Lee, UK
Dr Frits Lekkerkerker, The Netherlands
Dr Robin Thorpe, UK
Dr Philip Travis, USA
Mr Robert Tribe, Australia
Dr Jaana Vesterinen, Finland
Emeritus Professor Arnold Vulto, The Netherlands