David Lewis has a diverse work experience in various leadership roles. David started their career as the CEO of The David M Lewis Company in 1993 and stayed in this position until 2001. From 2001 to 2010, they served as the CEO of DLC Inc. In 2009, they became a member of Tiger 21, a position they held until 2010. From 2002 onwards, they joined Vistage International as a member. In 2012, they became the CEO of 5x5y Partners, focusing on enhancing business results and growth for clients. Currently, they hold the position of CEO at 8020 Consulting, a company that provides financial solutions for a wide range of clients.
David Lewis attended Georgetown University from 1977 to 1981, where they earned a Bachelor's degree in Economics. David then continued their education at Georgetown University from 1982 to 1984, obtaining a Master's degree in Economics. Prior to their time at Georgetown, they attended Stevenson School from 1974 to 1977, although no specific degree or field of study is mentioned.