John T HancockJohn T. Hancock is professor of cell signalling at the University of the West of England, Bristol (UWE), United Kingdom. In 1984 he was awarded a degree in biochemistry at the University of Bristol, where he stayed to complete his PhD in 1987. Followng post-doctoral positions, he moved to UWE in 1993. John has had a long-standing interest in reduction/oxidation (redox) reactions and the molecules involved, but particularly how these mechanisms control cellular function. He has authored several editions of a textbook, Cell Signalling, where the processes of how cells perceive and respond to their environment is discussed. John also has several editorial positions for international journals, and is editor-in-chief of the journal Oxygen. John's research has focused on the role of hydrogen gas in biological systems, and he has written several articles on COVID-19, including about the impact of the pandemic on animals and animal welfare. Read More Read Less