David Grethel, Divisional Vice President
(646) 415-8247
David has over 20 years of executive-level experience in
marketing and administration. Prior to joining ETS he was a Principal at Henry
Grethel, Inc., where he was instrumental in the development of a national brand
and achieved aggregate sales well in excess of $100M . He is a graduate of Syracuse University’s
Whitman School of Management.
