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Current representation on the International Commission on Stratigraphy

Each subcommission of the International Commission on Stratigraphy (ICS) has an executive and about 20 voting members worldwide each of whom are elected. As well as other work, voting members are responsible for commenting and voting on proposals for GSSPs from the working groups.
  • Prof. Graham Shields: Chair of ICS working group on chronostratigraphic subdivision of the pre-Cryogenian (2019- ); Voting member of the Cryogenian Subcommission (2012- ). 

Previously held positions on the International Commission on Stratigraphy by current members of the Stratigraphy Commission include: 
  • Prof. Stephen Hesselbo: Chair Subcommission on Jurassic Stratigraphy (2012- 2020). 
  • Prof. Graham Shields: Chair of Cryogenian Subcommission (2012-2020); Secretary of the Neoproterozoic Subcommission (2004-2012); Voting member of the Ediacaran Subcommission (2012-2020).