I am the Senior Vice-President for the Sheffield UCU. I previously held the roles of President (2018-2020), Communications Officer (2016-2018) and Pensions officer (2015-2016).
Below are links to letters I (co-)wrote to Times Higher Education and some videos I made regarding the USS valuation.
The Charybdis at the centre of the USS
Times Higher Education, 31 August 2017
Fuel for thought
Times Higher Education, 2 March 2017
USS: Understanding test 1
Video explainers - part 1 below