Jack Dorsey In January 2018, it was reported that Dorsey would not seek re-election at Disney's March annual meeting, due to increased difficulty at avoiding conflicts of interest. He is also a board member of the Berggruen Institute's Governance Center. Former Twitter CEO Dick Costolo described Dorsey as a calm, thoughtful leader. Charles Whitehead, a business law professor at Cornell Law School who lectures on the dual CEO said "Half of Jack Dorsey is worth 100% of anyone else. He appeals to investors, whom he attracts, and employees, whom he retains." In 2012, Dorsey moved to the Sea Cliff neighborhood of San
Evan James Williams to stonemason James and Elizabeth (née Lloyd) Williams. He attended Llanwenog Primary School, then Llandysul School, where he was a close friend of Evan Tom Davies and, like Davies, excelled in mathematics. From there Williams, at the age of 16, won a £55 scholarship to Swansea University where he studied physics and attained a first-class honours degree in 1923. From Swansea, Williams went into physics research at Manchester University's physics laboratories under Lawrence Bragg. At Manchester he attained a doctorate in physics in 1926 for his work with Bragg, studying X-rays in gases, then a second degree at the Cavendish