Peggy Pace, an American therapist based outside Seattle, Washington, has been developing and teaching Lifespan Integration since 2002.  She originally designed LI to treat adults abused or neglected in childhood.

It has since proved effective with many different client populations and with all age groups presenting with various mental health problems such as post-traumatic stress, attachment anxiety, eating disorders, and dissociative conditions.  LI is now practiced successfully in the United States, Canada, the UK and several European countries.

People who have experienced LI recognise the benefit of a structured but caring, holistic therapy which affirms their autonomy while strengthening their resources and gently healing their emotional wounds.

Lifespan Integration in the United Kingdom

Peggy Pace's first trip to London was in February 2008.

The thirty experienced therapists she trained on that occasion asked her to return to teach the second weekend of training.

There are now 150 mental health practitioners who have trained in LI in the UK, including psychologists, psychiatrists and counsellors and psychotherapist of every background modality.
Workshops are open to qualified and experienced psychotherapists, counsellors, and other professionals in the field of mental health.