As part of Amref Health Africa’s 2024 ArtBall, the evening will feature a Contemporary African and Black art auction hosted by Sotheby’s. With art curated by Storm Ascher, Natalie Kates, Cierra Britton, Alexandra Scotland, and Nadia Nascimento, select donating artists include Hank Willis Thomas, Khalif Tahir Thompson, Adama Delphine Fawundu, Alex Anderson, Damien Davis, Genevieve Gaignard, Jamel…