District Officers
DISTRICT CHAIR
Ray Groendyk
Director of Sales
P: (616)248-4842
F: (616)241-1799
F: (616)241-1799
DISTRICT VICE CHAIR
Tim Hitson
President
P: (616)257-2700
F: (616)257-2800
F: (616)257-2800
DISTRICT DIRECTOR
Jim Zawacki
Plant Manager
P: (616)831-0134
F: (616)453-0951
F: (616)453-0951
ADMINISTRATOR
Lori Miedema
Executive Assistant
P: (616)820-2415
F: (616)820-2465
F: (616)820-2465
EDUCATION CHAIR
Mary Hofstra
Senior Program Manager
Grand Rapids Community College
P: (616)771-3600
F: (616)771-3605
F: (616)771-3605
MEMBER AT LARGE
Jason Knittel
Business Unit Manager
P: (616)494-1841 DIRECT
F: (616)392-9511
F: (616)392-9511
MEMBER AT LARGE
Eric Lambert
Sr. VP, CFO & COO
P: (616)977-9030 DIRECT
F: (616)977-9330
F: (616)977-9330
MEMBER AT LARGE
Keith O'Brien
VP of Global Operations
P: (616)252-2345
F: (616)241-1799
F: (616)241-1799
MEMBER AT LARGE
Vince Westendorp
Regional Sales Manager
P: (616)949-8700
F: (616)949-9580
F: (616)949-9580





