Marisa Peer

Updated: February 19, 2026

Name: Marisa Peer
Date of Birth: April 12, 1957 (age 68)
Nationality: British
Ethnicity: British
Height (cm): 173
Father: Ronald Peer
Mother: Dee Saddler
Husband: John Davy
Net Worth: Not specified
Occupation: Therapist, Psychologist, Author, Speaker

Biography & Career:
Marisa Peer is a highly regarded British psychologist and therapist known for developing Rapid Transformational Therapy® (RTT®), a method that integrates various therapeutic techniques to deliver rapid results in areas such as self-esteem, confidence, and behavior change. Born as Marisa Peer on April 12, 1957, in the United Kingdom, she has over 30 years of experience in the field. Throughout her career, Marisa has worked with clients from all walks of life, including celebrities, athletes, and business leaders. A sought-after speaker, she regularly hosts events and live shows to train others in RTT and offer transformative experiences to audiences worldwide.

Marisa’s work extends beyond therapy sessions as she is also a bestselling author. Books like Tell Yourself a Better Lie, I Am Enough, You Can Be Thin, Ultimate Confidence, and You Can Be Younger offer valuable insights into mindset and how to break free from negative thought patterns. Her therapy and writing are deeply interconnected, encouraging people to improve their lives by addressing limiting beliefs and perceptions.

In her personal life, Marisa is married to entrepreneur John Davy, her second husband. Together, they have two children, including a daughter, Phaedra, who is an artist. Before John, Marisa was married to her first husband, with whom she shared an earlier chapter of life. Growing up in a supportive family, Marisa has remained a strong advocate for self-empowerment, regularly inspiring people to live their best lives through both professional and personal transformation. She remains deeply committed to improving lives globally through her work.

Marisa Peer Best Books
Tell Yourself a Better Lie
I Am Enough
You Can Be Thin
Ultimate Confidence
You Can Be Younger