Probably the main reason for you to form a nonprofit organization rather than a for-profit entity is the exemption benefits that come with the tax-exempt status.
The AICPA Auditing Standards Board (ASB) issued Statement on Auditing Standards (SAS) No. 145, Understanding the Entity and Its Environment and Assessing the Risks of Material Misstatement.
One of the legal obligations for board members is a duty of loyalty. One aspect of this duty expects board members to keep confidential issues confidential.
Every nonprofit needs operational guidelines for staff and the board. The purpose of the policies is to serve as a guide for actions and behavior and as a reference for ethical decision making.
Not every board needs an investment committee. If the organization has sizable assets, an endowment, and/or a planned giving program, it probably should form an investment committee.