Dr Rosalind Watts is a clinical psychologist and the founder of ACER Integration. Her contributions to the field of psychedelic therapy are numerous and include the development of the the ACE model ‘Accept, Connect, Embody’, which has been used in clinical trials of both psilocybin and DMT, as well as the Watts Connectedness Scale, which is a psychometric tool for measuring outcomes of psychedelic therapy. Dr Watts is the former clinical lead on the Psilocybin for Depression trial at Imperial College London, and sits on the clinical advisory board of the Usona Institute.