The McEvoy Family Collection. The McEvoy Family Collection encompasses the collections of Nion McEvoy and his mother, Nan McEvoy. Originally a collector of photography, Nion McEvoy’s interest in music, design, and media led him to include a wider diversity of forms, including painting, video, installation, and sculpture. Executive Bios. Nion McEvoy, chairman and CEO of The McEvoy Group, joined Chronicle Books in He became editor-in-chief of the adult trade division until the acquisition of the company in February of by The McEvoy Group. Nion McEvoy hosts a party the way he leads his life: surrounded by friends and family, doing what he loves. At the annual harvest party at McEvoy Ranch, just south of Petaluma, guests find him Author: Regan Mcmahon.