Leonard Tandaric has joined SourceOne as a technical sales specialist – digital products for the Midwest region sales team. Mr. Tandaric’s responsibilities will include sales of digital equipment, inks, media and support products.      Mr. Tandaric, who is a graduate of Northern Illinois University and has an MBA from Illinois Benedictine, has 16 years of ink sales related experience with Nazdar.      Prior to joining Nazdar SourceOne, Mr. Tandaric was employed in a sales role with a leadi...