As of yesterday here is the resignation list.
Pretty staggering!

Microsoft: Bill Gates
Jeff Bezos: Amazon
Jes Stalely: Barcalays
UPS: David Abney
Disney: Bob Iger
Mastercard: Away Banga
Twitter: Jack Dorsey
Salesforce: Keith Black
JCPenny: Shawn Gensch
MGM: Jim Murren
American Airlines: Doug Parker
Hulu: Robert Freer
Victoria's Secret: Lex Wexner
Ann Herbert: Nike
Timothy Sloan: Wells Fargo
Alexis Ohanian: Reddit
Liam Condon: Bayor