Mo. Rev. Stat. § 360.040

Any other provision of the law to the contrary notwithstanding, it shall not be or constitute a conflict of interest for a trustee, director, officer, employee, owner or partner of any health institution, educational institution, financial institution, investment banking firm, brokerage firm, commercial bank or trust company, architecture firm, insurance company, or any other firm, person, or corporation to serve as a member of the authority, provided such trustee, director, officer, employee, owner or partner shall abstain from deliberation, action, and vote by the authority in each instance where the business affiliation or any such trustee, director, officer, employee, owner or partner is involved.