Shields had served as head of the company’s cloud business unit since February 2018.
Vertex also hired Paul Guyer as European general manager. He was VP of sales for EMEA for Avalara from March 2016 through April this year and came to Avalara from Thomson Reuters, where he worked for four years and seven months and was senior manager of enterprise sales for EMEA from September 2014 through August 2014.
Also new to Vertex is Uwe Sydon as global head of product management. He was previously SVP and global innovation officer for Checkpoint Systems from May 2014 through December 2017.