Kudos to Dr. Ireen Kiwelu who, on September 24th, successfully defended her PhD thesis, “The molecular epidemiology of HIV-1 among female bar and hotel workers in Moshi, Kilimanjaro, Tanzania.” Her work was supervised by Drs. Max Essex and Vladimir Novitsky at the Harvard AIDS Initiative. Born in Moshi, Tanzania, at the base of Mt. Kilimanjaro, Kiwelu was educated in Tanzania, Denmark, England, and Norway. She returned to her hometown to work as a Senior Research Scientist at the Kilimanjaro Christian Medical Centre.