Sometimes able to answer questions on here. He/him. My . Since October 2021, I am a Dame Kathleen Ollerenshaw Trust Research Associate at the University of Manchester. Prior to this, I was a PhD student at the University of East Anglia, supervised by Dr Robert D. Gray. The title of my thesis is "The word problem and combinatorial methods in group and semigroup theory". B.Sc. Mathematics, Uppsala University (Sweden), 2016-2017 M.Sc. Mathematics, University of St Andrews (UK), 2017-2018 Ph.D. Mathematics, University of East Anglia (UK), 2018-2021. I can be reached at carl-fredrik (dot) nybergbrodda (at) manchester (dot) ac (dot) uk. ©