Diana Mitchell

Email: mitcheld@regents.ac.uk
Subject(s): Psychotherapy & Psychology

Professional Biography

Diana has a private practice, since 1994 working with short and long- term clients and couples in Surrey. She has worked as a lecturer, PPD group facilitator and clinical supervisor at SPCP since 1996 when she graduated from the ADEP.  She works as a mediator specialising in work place disputes and lectures on the five-day intensive ADR mediation course and for the RSPP Regent's American College London. She is particularly interested in existential thinking and how that can enhance and facilitate learning in ‘training' supervision. Diana would describe herself as an involved facilitator when she works as a therapist, supervisor, mediator or lecturer.


  • 1991 – 1992, Certificate in Counselling, Central School of Counselling
  • 1992 – 1994, Diploma in Counselling, SPCP, Regent's University London
  • 1994 – 1996, Advanced Diploma in Existential Psychotherapy, SPCP Regent's University London
  • 2007, SPCP Accredited Mediator, Regent's University London

Relevant Past Employment

  • Since 2004, lecturer and supervisor on the four and then five day ADR Mediation Course, SPCP, Regent's University London
  • 1998 – current, Clinical supervisor on the ADEP, SPCP, Regent's University London
  • 1999 – 2010, Clinical supervisor at the NSPC, Schiller University
  • 1998 – 1999, Clinical supervisor on the MA, SPC, Regent's University London
  • 1998 – 1999, Clinical supervisor and group facilitator on the Existential Diploma, SPC, Regent's University London
  • 1996 – 1998, VL and group facilitator on the Certificate Course, SPC, Regent's University London

Professional Affiliation(s)/Accreditation

  • Society of Psychotherapy
  • UK Council for Psychotherapy
  • Accredited SPCP Mediator

Teaching & Course Development

  • The ADR one day Refresher course with Monica Hanaway
  • My two-hour Mediation seminar for the Global MA course, Regent's American College London

Research Interests

  • What are the conditions that are most likely to facilitate learning?
  • Humour in relationships, including therapy and supervision
  • Existentially informed Time Limited therapy


  • (1999 – 2010). Various papers and reviews for the SEA Hermeneutic Circular and the SEA Journal
  • (2012). Is Co-mediation better for parties and mediators? Chapter 4 in Co-mediation: Using a psychological, paired approach to resolving conflict, Corporate Harmony
  • (2009). Responsibility in Existential Supervision, Chapter 13 in Existential Perspectives on Supervision, Palgrave, Macmillan
  • (2004). Anxiety and Engagement, chapter co-written with Nick Kirkland-Handley: Existential Perspectives on Human Issues, Palgrave, Macmillan
  • (2002). Is the Concept of Supervision at Odds with Existential Thinking and Therapeutic Practice? Journal of the Society for Existential Analysis
  • (1997). Merleau-Ponty, Certain Uncertainty and Existential Psychotherapy, Journal of the Society for Existential Analysis

Other Outputs

  • A reader for the Journal of the Society for Existential Analysis

Conference Papers Given

  • SEA Annual Conference (2010) ‘Existential Crisis or Crisis for Existential Psychotherapy