Dieter Thompson

President, ISG Global Network Services and Private Equity

Dieter Thompson is President, Global Network Services and Private Equity. Dieter joined ISG in 2016 with the firm’s acquisition of Alsbridge and built ISG Network and Software Advisory into a key partner for clients that are increasingly looking to build networks capable of supporting their AI and digital transformations.

Dieter spent his early career with AT&T before founding Thompson Advisory Group (TAG) in 1999, a consultancy focused on telecommunications procurement and vendor management that was later acquired by Alsbridge. At TAG, he helped pioneer the development of an asset exchange approach using telecommunications credits and “non-performing” assets for Fortune 500 companies. After selling TAG, Dieter served as president of Alsbridge before helping to orchestrate the sale of the firm to ISG.

Dieter earned his bachelor’s degree in marketing from the University of Memphis.