The Travel Ledger Alliance has announced that former ABTA chairman and Advantage chief executive John McEwan is to join the Travel Ledger advisory board as chairman, with immediate effect.

John is chairman of Holidaysplease, EFR Travel, Latin Routes and Travel Management Company, Amber Road, previously CTI.

Travel Ledger, a blockchain based project that is building a distributed billing and settlement platform for the travel industry is to announce more industry experts as advisors over the coming weeks as it starts to unveil more details about the next phase of the project.