After earning an MChem in Chemistry with French from the University of Manchester, UK, and a PhD in Chemistry from the University of Cambridge, UK, Karen Tkaczyk’s early career was as a development chemist in Ireland and then the US. Later she established and ran McMillan Translation Inc. where she was a practitioner from 2005 to 2021. Karen now leads MasterWord’s activity for pharmaceutical, chemical, and energy clients. She is also an adviser for the MasterWord Institute, having extensive training experience. Karen gives back; among other roles she served as the secretary of the board of the American Translators Association from 2017 to 2021.