The management field increasingly recognizes that most firms in the world are family firms and that these entities operate differently from the non-family firms on which most of our current management theories are based. The De Gruyter Handbook of Business Families brings together work from leading academics who explore emerging research themes relevant to business families, particularly drawing in new insights from adjacent disciplines that can advance the family business field. The handbook challenges the traditional notion of the single firm single family that has characterized most early research on family business