The Priceline Group (PCLN) today announced that Microsoft executive Darren Huston, 45, has been named Chief Executive Officer of Booking.com. Booking.com is part of The Priceline Group and is the number-one online hotel reservation service in the world, offering over 165,000 hotels in 43 languages. As announced earlier this year, Booking.com's previous CEO, Kees Koolen, will transition to Chairman of Booking.com.All Rights Reserved