Delta Dental names new president and CEO Oct 10, 2018 | Dental, Insurance, Top Stories Delta Dental of Illinois has appointed John Maples, a former board member and 35-year veteran of the consumer packaged goods market, president and CEO.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.