Prior to working at AWS, Dean Nelson Lexington MA worked at CohnReznick LLP from 2015 to 2019, Computer Sciences Corporation (CSC) from 2013-2015, RSM from 2008-2013, and Deloitte & Touche from 1999 to 2007. Dean Nelson has helped shape these firms' strategies, programs, transactions, and operations and helped clients make transformative changes.