Administration & Membership Questions This section is here to provide important information to and services about our membership. Look here to find meeting notices, address changes, etc. Existing members may log in here to access and edit their membership information, using the login form below: Email Address: For Membership information, contact Mark Hamilton at 630.250.4878 or e-mail Mark_Hamilton@hamiltonpartners.com To pay your dues using our secure online order form, please click here.