As of 2023, GMDI will be moving to a membership year that matches the calendar year – January 1-December 31. 
To facilitate this transition GMDI is offering special membership rates during the TRANSITION  period.

JOIN GMDI or RENEW YOUR GMDI MEMBERSHIP NOW

TRANSITION PERIOD

CURRENT MEMBERS

Full Members

• Renew between 4/30/24 and 10/31/24 -  fee is $150.
• Membership will be active through December 31, 2024

Emeritus and Associate Members

• Renew between 4/30/24 and 10/31/24 -   fee is $65.
• Membership will be active through December 31, 2024 

Student Members / International Members

• Renew between 4/30/24 and 10/31/24 -  fee is $30.
• Membership will be active through December 31, 2024.

New Members

Full Members

• Join GMDI at transition year membership rate of $150.*
• Membership will be active through December 31, 2024

*For NEW full members only:  A special half-year rate of $75. will be offered to New members who join after July 1, 2024.  Membership will expire on December 31, 2024.

Emeritus and Associate Members

• Join between 4/30/24 and 10/31/24 - fee is  $65.
• Membership will be active through December 31, 2024 

Student and International Members

• Join between 4/30/24 and 10/31/24 - fee is  $30.
• Membership will be active through December 31, 2024 

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Calendar Year Membership
Beginning with 2025 Calendar Year

Renewing Members

• Renew GMDI Membership between November 1 - December 31 at the published annual rate.
• A late fees will be added to all memberships renewed after December 31st
• Membership will be valid from January 1 through December 31 for each calendar year.

New Members

• New members who join on or after November 1st will be joining for the following calendar year.  For example, if you join on November 15, 2024, your membership will be valid through December 31, 2025.

Click HERE for a printable version of this information

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