Dave Jefferson serves as a senior advisor to Greystones, providing expertise in business strategy, primarily focused on revenue growth.  He has led marketing and sales, operations, and finance for several companies. Most recently, he served as the Chief Strategy Officer for Telesis Corporation. There he executed a company transformation from a commodity IT service provider into a leading AI and engineering organization. Previously, Mr. Jefferson was a principal at Worldwide Information Network Systems (WINS), overseeing its business development and strategy teams. WINS garnered a reputation as one of the fastest-growing federal, small businesses focused on the Intelligence Community, and Federal Civilian markets.

He has served as a technical and business strategy advisor to numerous Fortune 500 companies including Microsoft, IBM, Apple, Cisco, and AT&T, and has advised Congress and the White House on Internet, cyber, and e-commerce technologies. Mr. Jefferson is a USMC veteran, holds a B.A. in Political Science, and is currently completing coursework for a Master’s degree.