Stay 5 nights (instead of 40) within 90 days from sign up to be upgraded to Platinum Elite status until Dec 2021.
Stay 2 nights (instead of 10) within 90 days from sign up to be upgraded to Gold Elite status until Dec 2021.
IHG Group so includes Intercontinental Hotel, Crowne Plaza, Holiday Inn, etc.
Works with existing accounts, just log in then click on 'Sign Up'.
Can combine with this spend $400 get $100 Amex deal.
Note, that this is supposed to be for employees of select Fortune 500 companies. YMMV. Comment