Fiduciary An individual in whom another has placed the utmost trust and confidence to manage and protect property or money. The relationship wherein one person has an obligation to act for another’s benefit. Jayne is a partner at the law firm Sykora & Santini. Prior to law school, Jayne began her professional career as a marketing professional for American Republic Insurance Company in Des Moines, Iowa. Read more posts by Jayne Sykora.