Ripple Labs Inc. as an advisor in 2015.
Ripple said last week that Barr was no longer associated with the project, as noted by CoinDesk.
The decentralized ledger technology-based payments company is troubled by a U.S. Securities and Exchange Commission lawsuit over whether XRP qualifies as a security.
Ripple earlier this month announced that former
Amazon.com Inc. (NASDAQ:AMZN) Vice President of Delivery Experience Devraj Varadhan was joining the company as the senior vice president of engineering.