Our Programs
Decades of research in applied psychophysiology, translated into targeted programs for recovery, prevention, youth, workplaces, and cultural insight.

The Linden Method Direct
The complete, guided TRT™ recovery program available instantly from any device. Over 30 years of clinical efficacy.

Linden Anxiety Recovery
Direct, private support from accredited TRT™ practitioners. Expert guidance through the recovery process.

Ask Chuck
The open-all-hours interactive resource integrated across every IOAP solution, bringing thousands of curated resources and data points into one guided interface.

My Name is Charlie
The children and young people's adaptation of the TRT™ framework. Delivered in homes and schools worldwide.

KOTA India
A complete anxiety recovery programme with 24/7 AI support, created specifically for JEE and NEET students facing the pressures of Kota.

Stand Down
The adult audio-centric adaptation of TRT™. Structured, passive absorption of the recovery protocol.

AnxApp Workplace
The world's first biological anxiety predisposition diagnostic, adapted for organisational deployment.

AnxApp Individual
Identify anxiety predisposition before it becomes an entrenched disorder. Prevention-first clinical tool.

AnxApp UK
A structured, daily-supported TRT™ recovery programme available to everyone across the UK and specifically designed for NHS staff and partnership deployment.

Practitioner Training
Advanced Professional Diploma equipping practitioners to deliver TRT™. Join the global network of accredited coaches.

Charles Linden Books
A digital publishing and learning platform unifying books, audio courses, video programmes, condition guides, subscriptions, and app-based access across recovery, stress, neurodiversity, human development, and more.

The Unbroken Line
A global publishing and screen-content property spanning online books, print books, television series concepts, film scripts, and adaptable factual and scripted formats.



























































