Dr. Richard L “Dick” Hamm, Executive Administrator
P.O. Box 24188, Indianapolis. Indiana 46224-0188
Phone: 317-490-1968 | Fax: 484-231-7467 | Email: dhamm@ddi.org

Valerie Ruess, Administrative Assistant
P.O. Box 24188, Indianapolis. Indiana 46224-0188
Phone: 317-496-8656 | Fax: 484-231-7467 | Email: valcct@att.net