About Guillermo Ulacia
Guillermo Ulacia was a Spanish businessperson and vice President.
Guillermo Ulacia Arnaiz serves as Vice President of Aceralia Corporation Siderurgica SA.
Biography Arnaiz served as the chief executive officer of Gamesa Corporación Tecnológica from December 1, 2005. He has previously served as Vice Chairman of General Motors Corp, Spanish unit; he also served as Executive Chairman since July 2006 until October 2009.
Arnaiz worked for 10 years as a Director of flat steel products at Arcelor before becoming Vice President.
Arnaiz serves as Co-Chairman of the Aceralia Management Committee, member of the General Management of the Arbed Group.
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Frequently asked questions
Who was Guillermo Ulacia?
Spanish businessman
What was Guillermo Ulacia's occupation?
Guillermo Ulacia was a businessperson and vice President.
What nationality was Guillermo Ulacia?
Guillermo Ulacia was Spanish.
Sources & further reading
· Wikipedia: Guillermo Ulacia
Cite this page
APA: Biography.guide. (2026). Guillermo Ulacia. https://biography.guide/guillermo-ulacia/
MLA: "Guillermo Ulacia." Biography.guide, https://biography.guide/guillermo-ulacia/.
Chicago: "Guillermo Ulacia." Biography.guide. https://biography.guide/guillermo-ulacia/.
Data last updated: 2026-09-22 · Spot an error? Report a correction.
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