You are welcome to contact The Calendaring and Scheduling Consortium by regular mail, telephone or fax, or by electronic mail to any of the people listed below, depending their areas of responsibility. You may also use the "" general e-mail address rather than contacting a specific person.

The Calendaring and Scheduling Consortium
4390 Chaffin Lane
McKinleyville, CA 95519-8028 USA
+1 707 840 9391 (voice)
+1 415 946 3454 (fax)
CalConnect HQ:
Executive Director: Dave Thewlis
+1 707 840 9391 (voice) · +1 707 498 2238 (mobile)
Interoperability Test
Event Manager:
Mike Douglass, Spherical Cow Group
+1 518 276 6780
General Questions, 
Comments, Requests:


Please Note: Do not contact CalConnect for problems or usage issues with calendaring applications, or with devices such as smartphones (e.g. password requests for 'CalDAV' or similar issues). We have no control over these devices and applications, nor their providers. Please contact the appropriate vendor of the device, application or service, or review online help forums. Our apologies, but e-mails sent to CalConnect on these and similar subjects will not be responded to as we cannot help you with them.