On the afternoon of 22 April, collector Pamela Joyner and art advisor Laura Sweeney hosted a private studio tour and conversation with artist Hugo McCloud and author Sarah Thornton followed by an al fresco luncheon at Joyner’s elegant Sonoma home. Along with her husband, Alfred Giuffrida, Joyner has established a preeminent collection of contemporary art by artists of African descent, including McCloud, who is the current participant in the artist’s residency founded by the couple. Click ahead to see images from a memorable gathering.