UZH CMS group internal meetings:

• UZH CMS Group meetings (Canelli group, Kilminster group, Botta group, Caminada group, rehearsals, …)
• Paper readings (2017)

CMS Physics meetings:

• General Physics Meetings (Plenary sessions, approvals, …)
• CMS Weeks (see this calender)
• Higgs Physics Meetings, TWiki page (HTT, HEXO, …)
• B2G (Beyond Two Generations) Meetings, TWiki page
• Exotica Meetings
• SUSY Meetings
• B Physics Meetings

CMS object meetings:

• Tau ID and Tau POG Meetings
• JetMET Meetings, TWiki page

CMS detector meetings:

• Tracker DPG Meetings (Pixel & strip)
• Tracker Commissioning and Operations Meetings (Pixel & strip during LHC runs)

General CMS meetings:

• CMS General (WGM) Meeting
• PPD (Physics Performance and DataSet) General Meeting
• Executive Board (XEB) Meeting

General (technical) information:

• CERN electronic services
• Mattermost (Dead predecessor: XMPP client configuration)

UZH Seminars:

• Particle and Astroparticle Physics
• Physiks Colloquium

LHC Meetings:

• LMC Meeting

Other:

• CMS schools

Here is an overview of how CMS is organized (source):

Here is an overview of how physics is organized in CMS (source):