Andrew Park developed a governance feature for Teams meeting policies in the MicrosoftDocs/office-docs-powershell repository, focusing on enhancing administrative control over anonymous attendee access. He introduced the AnonymousUserAuthenticationMethod parameter to the Set-CsTeamsMeetingPolicy and New-CsTeamsMeetingPolicy documentation, enabling administrators to specify authentication options such as a one-time passcode or disabling authentication for anonymous users. Working primarily with Markdown and leveraging his documentation skills, Andrew ensured that policy management workflows were clearly described and aligned with security and compliance requirements. His work provided a targeted, documentation-first solution that improved policy-based access controls and supported enterprise governance for Teams meetings.