Armando Tamez joined Nemak in 1984. Since then, he has held several executive positions, including President and Chief Operating Officer, and has served in the Commercial, Operations, Planning, Product Development, and Engineering areas, among others. In 2013, he was appointed CEO. Armando earned a bachelor’s degree from Tecnológico de Monterrey and a master’s degree from the George Washington University.

Klaus Lellig has been with Nemak since 1997. During his career in the automotive industry, he has held executive positions in manufacturing and product development. He was appointed Europe Business Unit Director in 2009 and acquired responsibility for Asia in 2020. Klaus holds a PhD from the RWTH Aachen University in Germany.

Ernesto Sáenz joined Nemak in 1996. He has held several senior executive positions across regions in the areas of Manufacturing, Product Development, Operations, and Engineering. In 2025, he assumed an expanded role as Vice President of Mexico, where he is responsible for accelerating the transformation of our operations in the region. Ernesto holds a bachelor’s degree and two master’s degrees from Tecnológico de Monterrey.

Since joining Nemak in 1994, Alberto Sada has held several executive positions, including Vice President of Strategic Planning, and has served in the Commercial, Financial Planning, Treasury, and Information Technology areas, among others. He was appointed Chief Financial Officer in 2015. Alberto earned a bachelor’s degree from Tecnológico de Monterrey and a master’s degree from the University of Texas at Austin.

Dirk Barschkett has been with Nemak since 2013. He has more than 27 years of experience in executive positions in sales, operations, project management, engineering, and business development spanning the automotive and casting sectors. He was appointed Vice President of Sales and Marketing in 2019. Dirk holds an undergraduate degree from RWTH Aachen University and master’s degrees from RWTH Aachen University and University of London.

Marc Winterhalter joined Nemak in 2016. He has more than 20 years of experience in supply chain management in the automotive industry. Marc earned a degree from the Karlsruhe Institute of Technology (formerly known as the University of Karlsruhe) in Germany.

Marcelo Ortiz joined Nemak in 2017. He has more than 20 years of experience in executive positions in strategic planning and business development in multinational companies. In 2022, he was appointed Vice President of Business Development and Transformation. Marcelo holds an undergraduate degree from Tecnológico de Monterrey and a master's degree from Columbia University

Edgar Noyola joined Nemak in 1995. He has held several executive positions in Operations and Human Resources at Nemak. He was appointed Global Human Resources Director in 2022. Edgar holds an undergraduate degree from Tecnológico de Monterrey and a master's degree from Claremont Graduate University