Greg O’Hara


Greg O’Hara, chairman of the board of American Express Global Business Travel, is an investor with significant experience in the travel industry. He founded Certares and is currently its chairman and chief executive officer.

O’Hara is currently a member of the board of directors of Travel Leaders Group and has previously served on the boards of Carlson Wagonlit Travel, Travelport, Worldspan Technologies and various other companies. Prior to founding Certares, he was the chief investment officer at JPMorgan Chase's Special Investments Group and was also a managing director at One Equity Partners.

Earlier in his career, he served as an executive vice president of corporate planning and development of Worldspan Technologies and Worldspan, a Senior vice president of Sabre, Inc. and various other positions.

Read More Show Less

Paul Abbott


Paul Abbott is Chief Executive Officer of American Express Global Business Travel (GBT). Prior to joining GBT, Paul was Chief Commercial Officer, Global Commercial Payments at American Express.

In his twenty-four years at American Express, Paul served in a variety of senior roles across the business. He has led the rapid and successful expansion of the American Express Business-to-Business Payments business around the world and introduced innovative new products and services to 4 million businesses of all sizes in over 150 countries.

In addition, Paul led the expansion of American Express’ card-issuing partnerships with some of the world’s largest financial institutions. His reputation for developing diverse, high performing teams that embrace change, deliver strong results and have an intense focus on building enduring relationships with clients is well-deserved.

No stranger to the travel business or to GBT, Paul began his career at British Airways, spending nine years with the company. He subsequently worked in the corporate travel business at American Express. Paul was invited to join the GBT Board in 2015.

Paul is based in London. He lives in Buckinghamshire, in the UK, with his wife Angela and their 18-year-old twins. A keen traveler, Paul never misses a chance to explore the world with his family, where they often find the time to indulge in the other family passions of cricket, golf, rugby, football and international cuisine.

Read More Show Less

Joakim Johansson

VP of Business Planning
Office of the CEO

Joakim Johansson is Vice President (VP) of Business Planning in the Office of the CEO for American Express Global Business Travel (GBT), working closely with CEO Paul Abbot and the executive leadership team to lead strategic projects and drive alignment across business functions.

Previously, Joakim served for five years as VP of Commercial Strategy, Consulting and Sales Enablement at GBT, a role that also included supporting mergers and acquisitions, global commercial strategic initiatives, and executive planning.

Joakim has a proven track record in driving results and developing talented, engaged, and high-performing teams, having spent over 16 years in various leadership roles at American Express. Before re-joining GBT in 2015, Joakim served as VP of Business Development of U.S. Merchant Services, where he led a business development team to increase transactions and customer satisfaction.

Joakim achieved a Bachelor of Arts degree in International Business Studies at European Business School London.

Read More Show Less

Boriana Tchobanova

Senior Vice President and
Chief Transformation Officer

Boriana Tchobanova is Senior Vice President and Chief Transformation Officer for American Express Global Business Travel (GBT), working directly with CEO Paul Abbot to lead business transformation, mergers and acquisitions (M&A) integration, and strategic projects.

After starting her career in marketing and business development with the energy industry, Boriana has spent the last 14 years at American Express in New York holding various roles, including Chief Operating Officer for the company’s digital group and Head of M&A Integration. During her tenure at American Express, Boriana successfully led multiple business transformation functions and championed some of the company’s largest enterprise-wide change initiatives, including the creation of global shared services and centers of excellence.

Having been raised between Europe and Africa, Boriana is well traveled, multilingual and highly passionate about diversity in ideas, innovation, and talent development. Outside of work, Boriana supports various non-profit causes through board service, fundraising, and strategic consultation.

Boriana studied law at Loyola University and earned her MBA from the University of New Orleans.

Read More Show Less

Eric J. Bock


Eric J. Bock is chief legal officer, corporate secretary and global head of mergers and acquisitions for American Express Global Business Travel. In this role, he is responsible for all legal, corporate governance, government relations and M&A matters for the company.

Prior to joining GBT, Bock served as executive vice president, chief legal officer and chief administrative officer, as well as chief compliance and ethics officer of Travelport and as a member of the board of directors of eNett International, a leading provider of innovative, integrated payment solutions. In addition to playing an integral role in developing and implementing Travelport’s strategic plans, he also was chairman of the enterprise risk management committee and a member of the employee benefits, charitable, disclosure and investment committees.

Prior to Travelport, Bock was executive vice president, law and corporate secretary for Cendant Corporation, overseeing the company’s legal practice groups in securities and corporate finance, mergers and acquisitions, corporate secretarial and governance matters, executive compensation, travel distribution services and marketing services. He also served on Cendant’s business ethics committee, disclosure committee, employee benefits committee and business continuity planning committee. Before Cendant, Bock was associated with the corporate group at Skadden, Arps, Slate, Meagher & Flom LLP.

Bock is a graduate of Lafayette College and Fordham University School of Law.

Read More Show Less

Andrew Crawley

Chief Commercial Officer

Andrew Crawley is Chief Commercial Officer of American Express Global Business Travel (GBT), responsible for the commercial organization including sales, client management, marketing, commercial operations and the Travel Partner Network. He started the position on April 1, 2020.

He joins GBT from International Airlines Group (IAG) Loyalty, where he was Chief Executive and Board Chairman. In addition, he was a member of the IAG Management Committee from January 2016. He is also a non-executive director of Travelopia, a KKR company.

Previously Andrew – known as Drew – was the Chief Executive of IAG Cargo and prior to that Chief Commercial Officer at British Airways and an Executive Board Member of British Airways plc. He also held positions of Chairman of British Airways Holidays, Chairman of OpenSkies (British Airways wholly owned French airline subsidiary) and a board member of Avios Group Ltd.

Andrew started his travel career in British Airways in 1992 and worked in a variety of sales, marketing and operational roles in the UK, Europe and Asia ending up on the board of the company.

Prior to joining British Airways, Andrew spent two years in advertising after graduating from London University (QMC) with a BSc degree in Chemistry. He is a Harvard AMP graduate and member of YPO (Young Presidents Organization).

Outside work his passions are travel, cycling, sailing and all things French.

Read More Show Less

Martine Gerow


Martine Gerow is chief financial officer of American Express Global Business Travel (GBT), responsible for overall financial management of the company, its financial reporting and transparency, and for multiple corporate functions including controller, treasury, tax, audit, pricing, financial planning and analysis.

Prior to joining American Express Global Business Travel, Gerow served as chief financial officer of Carlson Wagonlit Travel where she led a large global team overseeing all functions within the finance division. She has also held CFO positions at French media services company SoLocal Groupe and Spanish multinational food company, Campofrio. Earlier in her career, she was a strategy consultant for the Boston Consulting Group, before moving to PepsiCo and then Danone, where she held division CFO and group controller roles.

Gerow received a business degree from HEC Paris and an MBA from the Columbia Business School in New York. She is on the Board and chair of the audit committee of BPI France Investment since 2015.

Read More Show Less

Evan Konwiser

Executive Vice President
Product and Strategy

Evan Konwiser is Executive Vice President (EVP) of Product and Strategy for American Express Global Business Travel (GBT), responsible for leading end-to-end product management, corporate strategy, and external communications.

After joining GBT in 2014, Evan spent three years as Vice President (VP) of Digital Traveler before becoming VP of Marketing and Product Strategy, where he led the team through historic partnerships, industry-leading product launches, and a global rebrand.

Evan is passionate about the power of travel and making it more accessible, efficient, and fun. With his background as a startup entrepreneur, he is uniquely skilled in bringing innovation to the corporate travel world. Prior to joining GBT, Evan was co-founder and Chief Operating Officer of Skylark. He also built two other digital travel products: Farely and FlightCaster.

Earlier in his career, Evan spent several years consulting for travel management companies, airlines, global distribution systems and travel media companies. He also served as a consultant at Bain & Company and spent time working at Kayak. He has been recognized as an influential executive in business travel, as a past board member of the Association of Corporate Travel Executives, and a frequent critic/judge at the Phocuswright Innovation Summit. He also facilitates the Phocuswright Young Leaders Summit, helping accelerate the pipeline of young talent into the travel industry.

Evan earned his MBA and a Bachelor of Arts degree from Dartmouth College.

Read More Show Less

Patricia Huska

Chief People Officer

Patricia Huska is the Chief People Officer (CPO) for American Express Global Business Travel (GBT) responsible for leading the Company’s Human Resources function. In this new role, Huska leads a people-focused strategy designed to attract and retain talent, while furthering GBT’s focus on being the employer of choice in the global travel industry. She is responsible for all traditional HR requirements that support more than 16,000 highly-skilled business travel professionals across GBT’s global enterprise.

Prior to becoming CPO, Huska was previously Vice President of Global Human Resources for GBT, responsible for the development and execution of strategies aimed at attracting talent, while retaining and engaging the existing employee base. She also has significant merger and acquisition experience and most recently, spearheaded the HR integration of HRG from due diligence to execution.

An accomplished human resources leader with 25 years at American Express and GBT, Huska has a broad HR background including employee relations, recruitment, change management, and organizational effectiveness. Throughout her career, she has led the creation of many corporate initiatives including home-based servicing for travel counsellors, workforce flexibility initiatives, and leadership development programs.

Huska has a master’s degree in Management from Lesley University and a bachelor’s in Business Administration from the University of Massachusetts at Amherst.

Read More Show Less

Si-Yeon Kim


Si-Yeon Kim is chief compliance and risk officer for American Express Global Business Travel (GBT), overseeing compliance & ethics, operational risk, and credit risk for the company.

Previously, Kim served as chief compliance officer for One Equity Partners (OEP), JPMorgan Chase & Co.’s private investment arm, where she oversaw all financial and bank regulatory matters, as well as FCPA/UKBA, OFAC and AML compliance for OEP and its portfolio companies. Before joining OEP, Kim was the Asia-Pacific general counsel of Avon Products, Inc., based in Hong Kong, and prior to that, assistant general counsel at Avon’s Global Corporate headquarters in New York. She began her law career at Chadbourne & Parke LLP.

Kim received her J.D. from Columbia Law School where she was a Harlan Fiske Stone Scholar, her A.M. from Harvard University in Russian regional studies, and her B.A. from Seoul National University in Russian language and literature.

Read More Show Less

Michael Qualantone

Chief Revenue Officer

Michael Qualantone is the Chief Revenue Officer at American Express Global Business Travel (GBT). He leads the Global Supplier Relations, Meetings and Events, and Customer Revenue Management functions.

Previously, Michael was Executive Vice President of Global Supplier Relations where he led a global team responsible for all GBT supplier engagements with airlines, hotels, car companies and limo providers, as well as on-line booking tool providers and Global Distribution Systems (GDSs).

He has also led the Travel Partner Network, made up of GBT Franchise partners who service business travelers in countries where GBT has no proprietary presence. Prior to this, he led Global Marketing, Product Development and Innovation, as well as internal and external Communications. This role included innovative and strategic efforts such as mobility, MI, and customer value programs. The Communication team leads all industry, media, and social media channels.

In a prior role, Michael was Vice President, Client Services Group, bringing together key Operational and Client Management aspects of the organization, with over 2,500 employees. Michael has led operations for both the US On-site servicing and Latin America call centers. He has been with American Express for 31 years and has held various leadership positions within Finance and Business Travel. He is based in Phoenix, Arizona.

Michael earned his MBA and B.S. Degree from Arizona State University.

Read More Show Less

David Thompson

Chief Information Technology Officer

As chief information technology officer (CITO), David Thompson capitalizes on his more than 25 years of experience to manage enterprise technology, application development, IT operations and data systems, information security and the product development teams at American Express Global Business Travel (GBT).

Thompson joins GBT after most recently overseeing IT strategy, operations, information security and product development as chief technology officer and executive vice president of global operations at Western Union, an international financial services company. His extensive background also includes previous chief technology and information officer positions at leading technology companies Symantec, Oracle and PeopleSoft.

While earning his bachelor’s degree in Business Administration from Marymount University, Thompson also served as an intelligence systems officer in the U.S. Air Force.

Read More Show Less