Executive Management

Andre Machicao
Senior Vice President, CyberSource and PlaySpan

Andre Machicao is Senior Vice President of CyberSource and PlaySpan within the Global Merchant Sales and Solutions group at Visa Inc. He is responsible for the Strategy, Product Management and Marketing functions across CyberSource, Authorize.Net and PlaySpan.

Mr. Machicao joined Visa in 2006. He previously held leadership positions within Visa's Strategy & Corporate Development and Global Product organizations where he focused on strategic initiatives related to new business opportunities and innovation in payments, including acquisitions, joint ventures, and venture investments for Visa.

Prior to joining Visa, Mr. Machicao was a strategy and management consultant with Booz & Company. Before joining Booz, he held senior management positions within new business ventures, including CEO of industry2industry, a B2B eCommerce company. Previously, Mr. Machicao was an executive with Accenture’s Center for Strategic Technology.

Mr. Machicao holds a Bachelor of Science in Engineering from the University of California, Los Angeles and a Master of Business Administration from the University of California, Berkeley.

Paul Williamson
Head of CyberSource Sales, North America

Paul Williamson is Vice President of Sales for CyberSource in North America and globally for PlaySpan within the Global Merchant Sales and Solutions group at Visa Inc. Paul is responsible for Sales, Account Management, Sales Engineering as well as our Channel business that includes our financial institution, technology, system integrator and reseller partners.

Mr. Williamson joined Visa in 2013 and was initially Head of Revenue for PlaySpan where he focused on Sales, Strategy, and Go-to-Market planning.

Prior to Visa Inc., Mr. Williamson was Vice President of Sales for Salesforce.com in their Mid-Market Business as well as holding a role in Strategic Sales. Before joining Salesforce.com, Paul held various senior management positions within the mobile, wireless POS and payments for the restaurant and hospitality industry at leading innovator, PalmTEQ Limited. Previously, Mr. Williamson was a consultant for a boutique research firm CyberResearch.

Paul holds a Bachelor of Business in Marketing from Murdoch University, Perth Western Australia.

Simon Stokes
Head of CyberSource Sales, EMEA & APAC

Simon Stokes joined CyberSource in 2006 as UK head of sales, tasked with reaching out to the organization's existing customer base and building links with new prospects and partners. Attracted by the infancy and excitement of the eCommerce industry, Simon witnessed 50% year-on-year company growth, and led an assessment of the addressable markets in Europe and Asia.

Simon was promoted to managing director of CyberSource's EMEA operations in November 2007. He is now responsible for operational expansion and overseeing the development of new partnerships within the EMEA and APAC regions.

Prior to joining CyberSource, Simon spent seventeen highly successful years with Dell in Europe, during which time the organization grew from just 20 to more than 1500 employees. At Dell he gained experience in running sales and marketing teams, as well as managing accounts at a national and global level across the media, telecoms, banking, retail and manufacturing sectors.

J. Michael Bradley
Vice President, Asia Pacific

As Managing Director for Asia Pacific for CyberSource, a Visa company and one of the leading providers of secure eCommerce payment management services, Mike Bradley is responsible for building on CyberSource’s proven global network and industry-recognized technology to create an unparalleled payment management solutions provider with an exclusive focus on the Asia-Pacific region.

A professional with more than 15 years of industry experience including startups in the Silicon Valley, Mike is a leading authority on eCommerce specializing in fraud management, payment security and payment process improvement. In addition to being a frequent and recognized speaker in industry forums including those hosted by the Merchant Risk Council, Direct Response Forum and leading players in the airline industry, he is also a published author in payment and fraud trends.

Mike is based in CyberSource’s regional hub headquartered in Singapore. Having lived and worked in Europe and Asia extensively, he has a deep knowledge and understanding of both the European and Asian markets. His expertise and track record have also enabled him to develop valuable relationships with the largest eCommerce merchants spanning different industries including travel, digital services, retail and entertainment.

Prior to his current role, Mike was Director of Solutions Development for CyberSource and had played a pivotal role in bringing payment management innovations to market. He joined CyberSource from Visa International where he held a number of key positions with the company’s Risk and Processing Services. Mike graduated cum laude from the University of California. He also holds a Master’s Degree in Business Administration from the University of San Francisco.