Skip to content

Bill Eddy, LCSW, Esq. — High-Conflict Coparenting Methodology

Family law attorney and licensed clinical social worker. Co-founded the High Conflict Institute. Developed the BIFF method and the broader "high-conflict personality" framework now widely used by family-court practitioners and coparenting coaches.

Key contributions

  • BIFF Method — Brief, Informative, Friendly, Firm. The communication framework for responding to high-conflict coparenting messages without escalating or creating evidence against yourself. See /open-source/infographics/biff-method.png and /templates/coparenting-biff-responses.md.
  • BIFF: Quick Responses to High-Conflict People (Unhooked Books) — short, practical book.
  • Splitting: Protecting Yourself While Divorcing Someone with Borderline or Narcissistic Personality Disorder (New Harbinger).
  • High Conflict Institute training for family-court practitioners, parenting coordinators, and judges.

Where to find his work

  • High Conflict Institute: https://www.highconflictinstitute.com/
  • Books via Unhooked Books and New Harbinger.
  • Free articles: https://www.highconflictinstitute.com/blog

Why he matters here

When the alienating parent's litigation tactic depends on you reacting to provocations, Eddy's BIFF framework is the operational counter-tactic. Coparenting apps (OurFamilyWizard, TalkingParents) are now structurally built around BIFF principles.


— Catalogued by Alan Markson · AntiAlienate.com · CC BY 4.0