About Greater Cleveland Partnership

Contact Us

Mailing Address

1240 Huron Road E, Suite 300
Cleveland, Ohio  44115-1717

General Information

Phone: (216) 621-3300; (888) 304-4769
Fax: (216) 621-4617
General Inquiries: customerservice@gcpartnership.com
Click here for directions to GCP & parking information. 

Staff Directory

Find staff by Department, Name or Title.

Customer Service

Phone: (216) 621-3300; (888) 304-4769
Fax: (216) 621-4617
Email: customerservice@gcpartnership.com

Investor Members

To ensure that you are getting value for your GCP membership, we have formed a team dedicated exclusively to serving our Investor members. If you would like to initiate a meeting, ask questions, or have suggestions for us, please contact the GCP Investor Development Team

Phone: (216) 592-2370 
Email: VIP@gcpartnership.com


If you're a small-business owner, learn more about the Council of Smaller Enterprises (COSE), a one-stop resource for its more than 10,000 small business member companies. COSE provides cost-effective group purchasing programs, advocacy on legislative and regulatory issues, and resources to help companies grow. 

Phone: (216) 592-2222; (866) 553-5427
Fax: (216) 781-3349
Email: customerservice@cose.org


Reporters should contact Sarah Johnson, vice president of marketing and communications, at (216) 592-2283. Be sure to follow us on Twitter and "like" us on Facebook.

Business Development

The GCP Business Development Team is committed to retaining, advancing the growth of, and creating new opportunities for local businesses to increase the economic wealth and vitality of Greater Cleveland. Contact us for assistance with growing and expanding your company’s operations.

Phone: (216) 592-2208
Email: Businessdevelopment@gcpartnership.com

GCP Event Sponsorship

If your company or organization is interested in Greater Cleveland Partnership sponsorship and marketing support for your events and programs, please email us  to request a Sponsorship, Event and Other Support Request form. When requesting support, please be aware that:
  • The company/organization should be a member of the GCP.

  • The organization must complete the Sponsorship, Event and Other Support Request form.

  • The program, product or service must complement or be closely related to the GCP’s mission.

  • Request must be received a minimum of six (6) weeks prior to the date of the program.

  • GCP members must receive a discount.
Please email us if you have questions or need to follow-up on a submission. 

Supplier Diversity

Click here to learn more about our commitment to supplier diversity.

Phone: (216) 621-3300 
Fax: (216) 621-0831 
Email: supplierdiversity@gcpartnership.com

Government Advocacy

If you have questions or comments, please contact Marty McGann at (216) 592-2244 or mmcgann@gcpartnership.com.