American Express Global Business Travel, a B2B travel platform, went public via SPAC merger with Apollo Strategic Growth Capital, a special purposes acquisition vehicle, in a $5.3bn deal. Investors in PIPE include Zoom, Sabre, Apollo, Ares Management, HG Vora, American Express, Certares and Expedia Group. "Today marks a significant milestone in the business travel industry recovery and for Amex GBT. With strategic initiatives over the last few years, including complementary accretive acquisitions, product and technology enhancements and lasting cost reductions, we have confidence that we are very well positioned to win a larger portion of the $1.4tr business travel market. As a publicly traded company, we will have the flexibility to further accelerate our growth strategy. While listing our company is an achievement," Paul Abbott, AmEx CEO.