Regardless of that execrable Shkreli, you have de jure fiduciary duties if you are on the board of a private company, yes. At least in the most common forms of

Regardless of that execrable Shkreli, you have de jure fiduciary duties if you are on the board of a private company, yes. At least in the most common forms of incorporation. I am not even sure if it requires you have other shareholders, let alone if you are a controlling shareholder or they are accredited investors.