https://apnews.com/063b73eaebd511215fdfd4f7f1a9e594 > SAN FRANCISCO (AP) — Technology entrepreneur and former Twitter CEO Jack Dorsey has a new title: Block Head. > A regulatory disclosure Friday from digital payments company Block Inc. says that its co-founder Dorsey is changing his role from Block's CEO, president and chairperson to “Block Head and Chairperson," effective immediately.