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CLL Society Inc. is a patient–centric, physician–curated nonprofit organization focused on patient education, support, and research. Dedicated to addressing the unmet needs of the chronic lymphocytic leukemia (CLL) and related blood cancer communities, we explain the rapidly changing therapeutic landscape and the importance of clinical trials, support and build patient networks, engage in research, and educate providers and patients.

CLL Society is a registered 501(c)(3) tax-exempt nonprofit organization. All donations are tax-deductible to the greatest extent as allowed under federal law. CLL Society’s tax ID number is 46-4131354.