Samuel Dinnar is a strategic negotiation advisor and a mediator specializing in business conflicts that involve founders, investors, and board members in early-stage, high-growth and distressed companies.

Dinnar co-authored, with Lawrence Susskind, Entrepreneurial Negotiation: Understanding and Managing the Relationships that Determine Your Entrepreneurial Success (2018: Palgrave/McMillan). The book was honored with a medal from the Axiom Business Book Awards.