In-Creasing At In-Seitz In-Creasing At In-Seitz In-Seitz, Inc., a multi-media communications agency, hired two new members for its sales team to work in the Atlanta office. J.C. Layton, III was hired as a Sales Executive. Layton previously worked as a Sales Executive in the document management services industry. Melissa Williams was hired as a Sales Support Specialist. Williams previously worked at Downey & Cleveland, LLP, a law firm. She has extensive experience in both public relations and marketing. In-Seitz has offices in Rochester, NY and East Lansing, MI.