Faubel joins the manufacturer from Sentient Science, where he was chief revenue officer of energy and president of the company’s European business.
He has 30 years’ experience in automotive and energy industries, and had previously served as senior vice president of global sales and marketing for Alstom-General Electric and senior vice president of Alstom’s wind business.
SGRE chief executive Markus Tacke said: "We are very pleased that Alfonso Faubel is joining the company and look forward to working with him.
"His broad industry experience will support the onshore business unit in addressing the challenging environment and continuing to deliver value to our customers."
Faubel started his career in international industrial sales at Ferrex, and later worked at multinational professional services firm Accenture, Italian consulting and planning company Exen and automotive systems corporation Delphi, before joining Alstom in 2009.
He also served one year as a corporal in the Spanish army, according to his LinkedIn page.
Faubel said: "Onshore wind will be a key element of that vision and I am ready to take on the challenge and contribute to reinforcing our leading position, delivering projects that create lasting value for all our stakeholders."
Faubel’s previous company, Sentient Science, is a digital provider of materials-science-based life prediction and extension technology in the global wind energy market.
He will start as Siemens Gamesa’s onshore CEO on 29 July.