Mr. Klein joined the Wheels Up board of directors in March 2024. He is a Senior Managing Director of Certares. Prior to joining Certares, Mr. Klein was Chief Executive Officer and President of Sabre Corporation, including leading its public offering. He has held various management positions over an extended career in the travel sector. Mr. Klein also serves on the board of directors of Global Blue Group Holding AG and Avia Solutions Group AB. He previously served on the board of directors of Cedar Fair, L.P., Playa Hotels & Resorts, N.V. and Nirvana Travel & Tourism, L.L.C. He received his Bachelor of Science degree in Business Administration from Villanova University, where he serves on the Board of Trustees.