Branch Address - Northbrook, IL Suite B, 1808 Janke Drive Northbrook, IL 60062 P: 224-723-5540 Get Directions Local Contacts Mary Swietlik Operations Manager, Northern Illinois & Wisconsin mary.swietlik@gdi.com Regional Contacts Rick Aiello Senior Vice President Great Lakes Phone: (708) 377-5705 rick.aiello@gdi.com Jackie Parker VP of Operations jackie.parker@gdi.com Elvira Mancuso Sr. Manager of Customer Relations elvira.mancuso@gdi.com Julie Rangel HR Manager - US julie.rangel@gdi.com National Contacts Robin Wilkerson VP Business Development National Sales Robin.Wilkerson@gdi.com Antonio Iribarren VP Business Development National Sales Antonio.Iribarren@gdi.com Dawn Criville Executive Vice President, Business Development US Phone: (610) 909-1510 dawn.criville@gdi.com