John C. Rothwell (born 1954)[1] is a Professor of neurophysiology at the UCL Institute of Neurology.

His main area of interest is transcranial magnetic stimulation and motor control.

He completed his PhD at King's College London in 1980[3] which supervised by David Marsden.

[4] His group has pioneered the use of the paired-pulse technique (Kujirai et al. 1992)[specify], interhemispheric studies (Ferbert et al.

[specify] Rothwell was appointed head of the Medical Research Council (MRC) Human Movement and Balance Unit after the untimely death of David Marsden.