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Let's Make a Difference in Tomorrow's World—Today!

Become a member of the Global Association for Systems Thinking® (GAST).

Membership includes Community of Excellence User Forums, access to Thought Leaders and the Global Resource Portal, plus much more.

Let’s take Systems Thinking Mainstream ... Around the World.

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How to Join GAST:

Joining GAST is quick and easy. Please read the simple steps below.

Step 1: Click the 'Join Us' button

Individual membership in GAST is free.

Note: If you are interested in becoming a Corporate Sponsor click to Learn More.

Step 2: GAST Account Information

Fill in your contact information, and then set up your username and password.

Step 3: Accept the GAST Terms and Conditions

Carefully read and accept the terms of the GAST.

Step 4: Login

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Membership Questions:

Please contact the GAST Administrator for any questions, comments, or concerns about membership.

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Taking Systems Thinking Mainstream...Around the World