The Synarchos diagnostic is free during our beta cohort. Apply now to take part in the build.

Safe enough for truth.
Strong enough for difference.
Mature enough to turn conflict into alignment.

The definitive partnership diagnostic for co-founders, couples in business, executive teams, and boards.

The real cost of unresolved conflict

When business partnerships fail, they rarely fail because of market conditions or product strategy. They fail because the relationship between the founders fractures under pressure. The dynamics that made the partnership strong in its infancy often become the exact vulnerabilities that destroy it at scale.

Synarchos provides a structured, developmental framework to diagnose these fractures before they become terminal. It is not couples therapy. It is a precise intervention designed to give sophisticated operators the language and mechanisms to turn friction into a competitive advantage.

Mark Falzon

Co-Founders:
How Business Partnerships Rise, Break, and Transform

Stripe Press / Placeholder
Foreword by Pete Pearson

The definitive text on partnership development.

The same developmental arc that allows romantic partners to evolve through symbiosis, differentiation, practising, rapprochement, and synergy applies with calibrated adaptation to business partnerships.

The Synarchos Diagnostic

A structured assessment that maps your partnership against the Developmental Model, providing actionable insights for growth and conflict resolution.

1

Apply

Submit your partnership context. Both partners must consent to participate.

2

Complete

Each partner completes the 45-minute assessment independently and confidentially.

3

Debrief

Receive your joint insights report and an optional debrief session with a trained coach.

"An essential framework for any founder serious about building a resilient partnership. Mark translates decades of developmental psychology into actionable business strategy."
— Pete Pearson, The Couples Institute