Leadership Team

The Merchant e-Solutions leadership team includes members from Cielo S.A. and former Bank of America Merchant Services executives. With more than 100 years combined industry experience, the Merchant e-Solutions team has a proven track record of creating innovative payment solutions and developing, managing and maintaining a successful merchant acquiring business.


Paulo Guzzo

President & Chief Executive Officer

Paulo Guzzo is Merchant e-Solutions' worldwide President and CEO as of September 2012. Paulo brings a wealth of leadership in payments, technology and operations to the role of President and CEO. >>more


James M. Aviles

Chief Operating Officer and Manager of Products & Technology

Jim Aviles is a co-founder of Merchant e-Solutions, Inc. and is the company's Chief Operating Officer. With a successful operational background in merchant payment processing, he is responsible for research and development, Engineering and Operations. >>more


Marcelo F Perez

Chief Financial Officer and Corporate Development

Marcelo Perez joined Merchant e-Solutions in September 2012 as the CFO and EVP of Corporate Development. With more than 20 years of experience in the payments industry, Marcelo has worked for both banking and consumer finance companies while holding positions in Mergers & Acquisitions, Business Development, Risk Management and Finance. >>more


Charles Jadallah

EVP of Sales and Business Development

Charles Jadallah is the Executive Vice President for Merchant e-Solutions running Sales and Business Development. Jadallah brings results oriented business experience in the payment systems, e-commerce and financial services sector. >>more


Mark Wozniak

Director of Marketing

Mark Wozniak joined Merchant e-Solutions in December 2012, and was named Director of Marketing in February of 2013. Mark has a diverse background with over 25 years of success leading strategic product and business development, and product and industry marketing initiatives that helped transform mobile, Internet, search, PC, console gaming and PC reseller markets. >>more


Bill Martens

Human Resources Manager

With more than 35 years of experience in human resources management, Bill Martens leads the Merchant e-Solutions human resources efforts. >>more


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