To date, nearly 600 companies including Ralph Lauren, Lyft, Best Buy, Adobe, Oracle, and Cisco have signed on.
Josh James, the CEO of cloud-software company Domo, is a cofounder of Parity.org and a signatory of Parity.org's gender pledge in 2017 and its race pledge in 2020.
Signing the Parity.org gender and race pledges does not hold CEOs accountable to a specific goal or target date.
"Imposing a one-size-fits-all deadline or quota would just lead to failure on the part of many companies," Stickney said.
Now, the nonprofit is expanding to conduct pay-equity analyses based on race, gender, and age.