Rena Kornreich Gelissen was a Holocaust survivor and co-author of the memoir "Rena’s Promise: A Story of Sisters in Auschwitz," which she wrote with Heather Dune Macadam. Born in 1920 in Poland, Rena was one of the first Jewish women transported to Auschwitz in 1942, where she endured unimaginable hardship. Her courageous story of survival, resilience, and the bond with her sister, Danka, remains an inspirational testament to human spirit amidst atrocity. Rena dedicated her later years to sharing her experiences with audiences worldwide, emphasizing the importance of remembrance and education to prevent future genocides.