Ralph Bartel, Ph.D., Ph.D., founded Travelzoo in 1998. He was a member of Travelzoo’s Board from May 1998 until December 2022 and served as Chairman of the Board from May 2017 until December 2022. From May 1998 to September 2008, he was the Chairman of the Board and the Chief Executive Officer. From October 2008 to June 2010, he was the Chairman of the Board. He has been a consultant for the Company since January 1, 2023. Mr. Ralph Bartel is a professionally trained journalist who holds a Ph.D. in Communications from the University of Mainz, Germany, a master’s degree in journalism from the University of Eichstätt-Ingolstadt, Germany, a Ph.D. in economics from the University of St. Gallen, Switzerland and an MBA in finance and accounting from the University of St. Gallen, Switzerland. He is the brother of Holger Bartel, Travelzoo’s Global Chief Executive Officer.
Areas of Mr. Ralph Bartel’s relevant experience include media, journalism, Internet, finance and start-up experience.
Christina Sindoni Ciocca has been a member of Travelzoo’s Board since May 2019 and, since December 2022, has been serving as the Chair of the Board. She has been Chief Membership Officer and General Counsel for Travelzoo since January 2026 and CEO of Jack’s Flight Club since September 2022. She was previously General Counsel and Head of Global Functions since April 2022, General Counsel since June 2019, and Counsel since April 2018. Prior to joining Travelzoo, Ms. Ciocca was an attorney at Sidley Austin LLP, practicing in mergers & acquisitions in both Chicago, IL and New York, NY, from September 2014 to March 2018. Ms. Ciocca earned her juris doctor degree from the Law School of the University of Notre Dame and a Bachelor of Science in Economics degree from the Wharton School of the University of Pennsylvania, with concentrations in marketing and operations & information management. Prior to law school, Ms. Ciocca worked in digital marketing, including for American Express.
Areas of Ms. Ciocca’s relevant experience include corporate governance, law, mergers & acquisitions and marketing.
Michael Karg, Ph.D. has been a member of Travelzoo’s Board since May 2022. He is the Chief Executive Officer for Europe of WPP Media and has been since April 2025. Before that he was the Global Chief Operating Officer of Mindshare since November 2021. From January 2016 to December 2019, Mr. Karg was the Group Chief Executive Officer of Ebiquity plc, a company listed on the London stock exchange (AIM). From May 2013 to December 2015, he was the Chief Executive Officer International of Razorfish. From September 2011 to May 2013, Mr. Karg was the President EMEA for Razorfish and Digitas International in Paris. From September 2010 to May 2013, he was also the Chief Operating Officer of Razorfish and Digitas International. From 2013 to 2017, Mr. Karg served as a member of the board of directors of Travelzoo. Mr. Karg holds a Ph.D. in management and a master’s equivalent in finance and accounting from the University of St. Gallen, Switzerland.
Areas of Mr. Karg’s relevant experience include digital media and global operations.
Volodymyr Cherevko has been a member of Travelzoo’s Board since May 2022. He has expertise in marketing, product development, strategy and business transformation developed over 20 years with Fortune 500 companies, such as Procter & Gamble, PepsiCo, Whirlpool and Haier. Currently, Mr. Cherevko is the Europe Region CEO and General Manager of PRÆSIDIAD and has been since November 2025. Before that, he was President of Alteva Enterprises since February 2024 and Chief Transformation Officer of Haier Europe since August 2021. Between November 2017 and August 2021, he was the General
Manager & Managing Director, Washing Business Unit, for Haier Europe in Paris. From October 2015 to October 2017, he was the Product Marketing Director, Refrigeration, for Whirlpool EMEA in Italy. From January 2014 to October 2015, Mr. Cherevko was the Marketing Director & Department Head, Brands, Digital, e-Commerce & Insights for Whirlpool EMEA. Before that, Mr. Cherevko held a variety of marketing roles for Procter & Gamble and PepsiCo in Kyiv and Moscow. Mr. Cherevko holds an Executive MBA from HEC Paris, executive certificate from INSEAD and a Bachelor of Arts in business administration from Bethany Lutheran College.
Areas of Mr. Cherevko’s relevant experience include marketing, product development, strategy and business transformation.
Sharry Sun has been a member of Travelzoo’s board since June 2025. Ms. Sun is the Chief Executive Officer of Greater China, Head of DTC Business Asia and a board member of Frette China, and has been since August 2024. Before that, Ms. Sun was the Vice President of Strategy, Insight and Analytics, Incubation and Innovation Investment for Tapestry in Asia since August 2022. Between November 2020 and December 2021, she was the