Headquarters Office

Mack International, LLC
1100 North Lake Shore Drive
Suite 28B
Chicago, Illinois 60611

800-976-9210 Telephone
800-976-9220 Fax

Email: Mack International

New York

Mack International, LLC
630 Fifth Avenue
Suite 2000
New York, NY 10111-2000

We welcome your inquiry and look forward to discussing how we may assist you on your executive search and/or human capital/talent management consulting needs.

All communications are held in strictest confidence.


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