Sierra Donor Services (SDS) is a nonprofit organization focused on saving and improving lives through organ, eye, and tissue donation. Serving nearly three million people in Northern California and Northern Nevada, SDS connects donations to patients in need while maintaining ethical and financially responsible operations. As part of the DCI Donor Services family, SDS offers organ procurement, tissue banking, and eye banking services.

SDS coordinates the recovery and allocation of organs for lifesaving transplants, manages tissue donations for various medical needs, and facilitates ocular tissue donations to restore sight. The organization serves patients awaiting transplants, donor families, and healthcare partners, while also promoting donor registration and educational programs within the community. Led by CEO Sean Van Slyck, SDS emphasizes values such as selflessness and dependability, ensuring a commitment to community engagement and high operational standards.