Resignations from Sept to Dec:

Equifax CEO Richard Smith - Sept

Greater Naples CEO Paul Thein - Oct

Dentsply Sirona Inc CEO Jeffrey T. Slovin - Oct

Chia Nam Toon CEO Chia Nam Toon - Oct

Red Cross Texas Gulf Coast Region CEO David Brady - Oct

BuildDirect CEO Jeff Booth - Oct

Pepsico Chairman And CEO D Shivakumar - Oct

Oman Air CEO Paul Gregorowitsch - Oct

Samsung CEO Kwon Oh-hyun - Oct

Menninger Clinic CEO Dr. C. Edward Coffey - Oct

Hudson's Bay CEO Gerald Storch - Oct

Renaissance Technologies CEO - Robert Mercer - Nov

Bruce Telecom CEO Bart Cameron - Nov

London Stock Exchange CEO Xavier Rolet - Nov

Oi SA CEO Marco Schroeder - Nov

Tumblr founder and CEO David Karp - Nov

Hewlett Packard CEO Meg Whitman - Nov TravelCenters of America LLC CEO Thomas O'Brien - Nov

Public Protector Busisiwe Mkhwebane's CEO Themba Dlamini - Nov

Altice CEO Michel Combes - Nov

Ellies CEO Wayne Samson - Nov

Puerto Rico Electric Power Authority CEO - Ricardo L. Ramos - Nov

Ardent Leisure CEO Simon Kelly - Nov

El Al CEO David Maimon - Nov

James Cancer Hospital CEO Michael Caligiuri - Nov

Tricentennial Commission CEO Edward Benavides - Nov

Steinhoff International CEO Markus Jooste - Dec

City Light CEO Larry Weis - Dec

Chicago Public Schools CEO Forrest Claypool - Dec

Nation Media Group CEO Joe Muganda - Dec

Cheil Worldwide CEO Daiki Lim - Dec

Deutsche Boerse CEO Carsten Kengeter - Dec

Uchumi Supermarkets CEO Julius Kipng'etich - Dec

Steinhoff's R100bn CEO Markus Jooste - Dec

Vast Resources CEO Roy Pitchford - Dec

Fenway Health CEO Dr. Stephen L. Boswell - Dec

Spackman Entertainment Group CEO Charles Spackman - Dec

Cheil Worldwide CEO Jeongkeun Yoo - Dec

Diebold/Nixdorf CEO Andy Mattes - Dec

Innogy CEO Peter Terium - Dec

AT&T CEO Randall Stephenson - Dec

ESPN President John Skipper - Dec

Papa John CEO John Schnatte - Dec

Alphabet Executive Chairman Eric Schmidt - Dec