The 2021 Conference of the System Dynamics Society

Registering and Attending the Virtual Conference

If you have registered for the conference go to https://isdc2021.systemdynamics.orgto join. It is available in advance for the conference beginning July 19, 2021, (though there may still be some development going on), and will remain open until August 14, 2021for asynchronous communication and content review. Live activities will occur between July 25, 2021 and July 30, 2021 Chicago USAtime. There are also some Practicing for the Virtual Conference sessions the week before the conference.

All sessions during the conference will be recorded, so if you miss anything you want to see you will get a chance to view it later.

If you have not registered and would like to attend, you can do so online. It may take time to process your registration and make the conference site available. We appreciate your patience, or at least restraint.

Confirming Registration

To confirm you are registered, log in to the web portal.

From there just click on the link for the conference site ( - available July 19, 2021).

Registrations may take a little while to process. If you don't get marked registered please contact the Society Office and we will try to find out what happened.

Troubleshooting Conference Site Access

If you have trouble accessing the conference site, for example if you see a page such as this:

it may be because you have tried to authenticate using a different user name than the ones you logged with. To fix this follow these steps:

  1. Close all browser windows.
  2. Open a single browser window and go to the Society website.
  3. If there is a button in the upper right hand corner that says Logout click on it.
  4. Log in using the user name you used to register for the conference (usually just your email).
  5. In the same window go to the web portal.
  6. Check that your user name (in parenthesis after your name) is the same as what you logged in with.
  7. Click on the link to the conference site (

If any of these steps fail, or you see different information than you expect, you may have session information cached in your computer. Clear your browser cache following the instructions such as these. Alternatively, try the same steps using a different browser (if this works remember which browser you used).

The conference site will be available at least a week before the conference. When it is available you can access it either from the web portal or directly. If you are unable to access it, close your web browser, go to the main Society web site, and log out. Then try accessing it again being sure to log in using the same email address you used to register for the conference.

Missing Session Information

If you log into the conference site and information about your sessions is not included on your profile page, then it is likely that you have submitted work, or been assigned as a chair with a different user name. Go to the o the web portal and check the user name (it is shown in () at the top of the user menu). Follow the above steps to log into the web portal with the user name you used to submit work if possible. Contact the he Society Office with as much information as possible and we will align the two accounts.