Support Our Work 

We are grateful for an international network of supporters whose generous gifts allow us to sustain and strengthen our patient support services and research programs. However, there is more to be done and your contribution will help us continue our quest to find a cure for hairy cell leukemia. 

The Hairy Cell Leukemia Foundation is a 501(c)(3) public charity and all contributions are tax deductible in the United States to the extent allowed by law. Please consult your financial advisor for more information. Our federal tax ID number is 36-3327001. 

 Please consider a gift today.


Checks should be made out to Hairy Cell Leukemia Foundation and mailed to:

Hairy Cell Leukemia Foundation

85 Broad St., 28th Fl.

New York, NY 10004


We have launched a unique membership to thank our long-time community members and donors for their ongoing support. Members receive a quarterly newsletter with an insider’s view into our work and in-depth articles about our research and partnerships. Members also receive advance notice of conferences, meetings and webinars and benefit from a variety of members-only resources. Individuals who have donated to the Hairy Cell Leukemia Foundation via check, credit card or by other means receive an automatic membership. If you have questions about a recent donation or your Foundation membership, contact us at 


Please contact us at for more information.


You can support our work by shopping online for the items you already need! The AmazonSmile Foundation will donate 0.5% of your eligible purchase to the Foundation.