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Management Board North America

Brief profiles of the T-Systems Board of Management

Managing Director and Chairman of the Board – T-Systems North America

Cesar-Martinez-Managing Director and Vice President Cloud and Infrastructure for T-Systems North America

Cesar Martinez

Cesar Martinez currently serves as the Managing Director and Chairman of the Board of T-Systems North America since April 2021.  In his role, he is responsible for the operation of the company in the USA and Canada. 

Cesar joined T-Systems Mexico in 2000 as General Counsel and moved to the USA in 2002.  Since his move, he has held various positions within the T-Systems International group including Regional Program Manager for the Americas and Africa, Regional Chief Operations Officer for APAC, Vice President IT for T-Systems Argentina, Brazil, and South Africa, and Vice President IT and President ad interim for T-Systems France.  He moved to Chicago in 2014 to take over the position of Vice President IT for TSNA, and he later served as VP Head of the PU MIS&PC.

Before Cesar Started his journey with T-Systems, he worked for the US Chamber of Commerce in Washington, D.C.; the Mexico City Office of Economic Promotion of the Mexican State of Michoacan, the offices of the Attorney General of the same state; and for the US House of Representatives.  Cesar holds a JD from UDLA-P, Mexico, and an LL.M. from Georgetown University, as well as certifications from ESMT Berlin and MIT Boston, amongst others.

Vice President, Finance and Controlling, Member of the Management Board – T-Systems North America


Jorge Lezama Brito 

Jorge serves as Vice President, Finance and Controlling for T-Systems North America.  He has over 15 years of experience and worked as a project director for one of our largest clients, Volkswagen Group. 

He has held various roles in Canada, the United States, and Mexico, including financial manager, business unit manager, and in prominent areas of finance and purchasing.  Jorge has a degree in Industrial Engineering, a master's degree in Business Administration and Finance, and a postgraduate degree in Project Management. He is currently Chief Financial Officer of T-Systems México as well.

Vice President, Human Resources, Member of the Management Board – T-Systems North America


Laura Ceballos Zea

Laura has been working for T-Systems for more than 15 years. She serves as Vice President of Human Resources for T-Systems North America. She is passionate about Human Resources challenges, working as a key business partner delivering results and building high-performing teams.

She started as Human Resources Director in gedas, Mexico, and has held other management positions, including Training and Development Manager and Mergers and Acquisition Manager; prior to gedas, Laura was HR Manager for Volkswagen. She has a degree in Business Administration with a Management Certificate. She has been VP of HR in T-Systems Mexico since 2004.

Head of SAP AO & Cloud Migration Framework, Member of the Management Board – T-Systems North America


Carl Westphal 

Carl Westphal serves as the Head of  SAP Application Operations & Cloud Migration Framework for T-Systems North America.  He is a proven IT professional with a demonstrated track record of developing, delivering, and managing IT solutions across a broad spectrum of industries and technologies.

Carl joined T-Systems in 2012 as the Manager of Local Customer Projects team and held a number of positions of increasing responsibility within the Project Management organization.   In 2018 Carl was selected to lead the newly formed Portfolio Unit SAP and became a member of North America Management Board.

Prior to joining T-Systems Carl held management positions in a variety of companies ranging from Fortune 500 enterprises to smaller boutique organizations.

Carl is passionate about maximizing value and customer satisfaction. Carl has a Bachelor's degree in Management Information Systems from the University of Arizona and a  MBA from the Keller Graduate School of Management.


Vice President of Cloud Services, Member of the Management Board – T-Systems North America


Mauro Guzelotto

Mauro Guzelotto serves as the Vice President of Cloud Services for T-Systems North America. He is a technology executive with extensive experience managing global IT services for regional and international clients across various industry verticals in the United States and Latin America. He joined T-Systems Brazil in 2002 and held different leadership positions until 2012 when he relocated to the US. Before taking over as Vice President of Cloud Services, his most recent position was Head of Managed Infrastructure Services, where he led the delivery of mission-critical services for local and global customers from the Energy, Automotive, Healthcare, Retail, and Financial Services industries.

Mauro has a bachelor's degree in Computer Science and earned an Executive MBA from Insper - Instituto de Ensino e Pesquisa.

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