Desiree Powell - Clinical Lab Tech Desiree Powell is a clinical laboratory technician currently employed by the Memorial Sloan Kettering Cancer Center. Memorial Sloan Kettering Cancer Center is a nationally recognized institution for the treatment of cancer and the leading pioneer in cancer research. Desiree Powell works in the cancer research department in the Laboratory of Comparative Pathology where she also teaches fellow colleagues in hematology, serology, and parasitology.