A Director’s Duty of Conflict of Interest. A director’s duty of conflict of interest refers to the legal and ethical obligation of a director to act in the best interests of the company, to act in good faith, be transparent, accountable and to avoid any personal or financial conflicts of interest that may compromise their ability to so act in the best interest of the company.  In most jurisdictions a director’s duty of conflicts of interest is a statutory one; it is also mostly weaved into the corporate governance environment architecture of different corporate sectors, such as in banking, conglomerates, multinational corporations and so on.