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Access to JACK is through the Harvard PIN system.

Current Students and Research Fellows/Reciprocal Guests- Click "Login to JACK" below. Then, enter your HUID and PIN.

HKS Alumni- Please read these 2 Steps. Step 1: Click "Login to JACK" below. It will bring you to a new login page. Step 2: IMPORTANT! As of 9/22/2015, there is a new HarvardKey Login system. Alumni will need to "claim" their HarvardKey, which will gain them access to all Harvard wide systems, including JACK. Once your HarvardKey is created, you will use that to login to JACK (it will no longer be via your post.harvard credentials.) If you have any problems claiming your HarvardKey, please contact: or call: 617.495.7777. The HarvardKey login will bring you to your personal JACK account.

If you are experiencing problems logging in, email: Please describe the error if possible.


If you are an employer, please login to JACK using the Employer Login Page.

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