About TDF
It's all about the people.
TDF is a perceptual-styles model. It helps people understand how we see the world differently, act differently, and work and live together more effectively.
A practical human framework
An amazing communication tool, and so much more.
TDF focuses on how people act and interact. It helps make confusing or frustrating differences easier to understand and navigate. The model is simple, memorable, and powerful enough to support better work, stronger relationships, and more effective teams.
More than 300,000 people in 20 countries have experienced TDF during the past 30 years.
Services offered
From individual insight to organizational change.
TDF Learning and Training
Team Intervention, Consulting, and Executive Coaching
TDF Trainer Certification
Present and past clients
Trusted across industries and borders.
Your turn
See the world through your pattern.
Stewardship and operation
Built on shared ownership.
Intellectual property
The intellectual property for TDF is equally owned by Gerald Klarsfeld, Traci Klarsfeld, Bill Roberts, and Ryan Stanley.
Testing app and website
The TDF testing application and website are operated by Waking Soul, Inc., doing business as TDF, under a licensing agreement with the intellectual-property owners.