Branch Address - Battle Creek, MI 777 W Goguac Street, Ste. B-5 Battle Creek, MI 49015 P: 269-962-5969 Get Directions Local Contacts Tom Philliben Vice President of Business Development tom.philliben@gdi.com Regional Contacts Laura Horton Operations Director laura.horton@gdi.com Sandra Gronau V.P. Human Resources sandra.gronau@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