Rajendra 'Raj' Persaud FRCPsych is an English consultant psychiatrist, broadcaster and author of books about psychiatry. He is known for raising public awareness of psychiatric and mental health issues in the general media, has published five books and received numerous awards.

UCL Pi Media is the oldest and largest student journalism society at University College London Union. Initially launched as a newspaper in 1946 and named after former Provost David Pye, it now publishes on three platforms: Pi Online, Pi Magazine and PiTV.