Jump Main Menu. Go directly to the main content (Acces key S)

Siemens Gamesa


Board of Directors

You are in:

  1. Home
  2. Investors and Shareholders
  3. Corporate Governance
  4. Board of Directors

Start of main content


Rosa María García (Propietary)

Graduated from the Universidad Autónoma de Madrid (Spain) with a degree in Mathematics. She has developed her professional carreer holding various management posts at WordPerfect, NEC and Microsoft. Currently she holds the position of Chair and Chief Executive of Siemens España.

Chief Executive Officer

Dr. Markus Tacke (Executive)

He holds a Mechanical Engineering Degree from the Technical University of Darmstadt (Germany), Master Degree of Engineering by Cornell University (USA) and a PhD by the Technical University of Darmstadt (Germany). He started his professional career in Ways&Freytag AG and joined Siemens group in 1998, having held a number of relevant positions.Until April 2017 he held the post of CEO of Siemens Division Wind Power and Renewables.


Lisa Davis (Proprietary)

Graduated form the University of Berkeley (California, US) with a degree in chemical engineering. She has held several posts at Exxon Corporation, Texaco and Royal Dutch Shell. She is member of the Managing Board of Siemens AG.

Mariel von Schumann (Proprietary) (2)

Graduated from the ICHEC University of Brussels (Belgium) with a degree in Economics and Business Administration and Management and Masters in International Business Administration and Management at EAP-ESCP Europe.Currently holds the position as Chief of Staff and Head of Governance & Markets Department of Siemens AG.

Gloria Hernández (Independent) (1)

She studied at the Complutense University of Madrid, where she obtained a degree in Economic Sciences with a specialty in Economic Theory. She is General Director of Finance and Capital  Markets in Bankinter.

Michael Sen (Proprietary)

He holds a Degree in business and management administration by the Technical University of Berlin. He has developed his professional career in Siemens AG holding different posts in the corporate development and corporate finance. In 2015 he joined E.ON SE as chief financial officer and since 2017 he is member of the Managing Board of Siemens AG.

Dr. Ralf Thomas (Proprietary)

Graduated from the University of Erlangen-Nuremberg (Germany) with a degree in Economics and Business Administration and holds a Doctorate in Company Tax Accounting. His professional carreer has been developed at Siemens AG and his current positions are member of the Managing Board and Chief Financial Officer.

Sonsoles Rubio (Proprietary) (2)

She holds a Degree in Economics and Business from the Universidad Autónoma of Madrid and completes her training as post graduated at ICEA, IESE and Centro de Estudios Financieros. She is Internal Audit Director of the Iberdrola Group.  

Swantje Conrad (Independent) (1 and 2)

Dual degree in Business Administration and in Industrial Engineering from the University of Karlsruhe (Germany) and Master Degree in International Business Studies from the University of South Carolina, (US). She has worked for JP Morgan for over 25 years in Germany, United Kingdom and United States of America in the areas of corporate finance, mergers and acquisitions, capital markets and institutional assets servicing. 

Klaus Rosenfeld (Independent) (2)

Graduated in Business Administration from the University of Münster (Germany), Started his professional carreer at Dresdner Bank and later he joined the Schaeffler Group as CFO. Currently he is the Chief Executive Officer of Schaefler AG. 

Andoni Cendoya (Independent) (2)

He holds a Master's in Electrical Engineering from the Escuela de Armería in Eibar, and a Master's in Human Resources from CEREM.

Alberto Alonso (Independent) (1)

He holds a Law Degree and PhD in Law by the Universidad Complutense of Madrid and is a Chaired Profesor in Law in the Universidad Rey Juan Carlos. Currently he is partner at the law firm Ramón y Cajal Abogados.

Secretary and Board Member

Carlos Rodríguez- Quiroga (Executive)

He holds a Law Degree from the Complutense University of Madrid. Over the last few years, he has performed the tasks of Director of or Secretary to the Board of Directors, among other positions, in the following companies: Audiovisual Española 2000, S.A. and Rodríguez-Quiroga Abogados.

Deputy Secretary of the Board

Juan Antonio García

Law degree from the University of Deusto (Spain) and LLM from the Instituto de Empresa (IE). Serves as Deputy General Secretary in Siemens Gamesa and as Secretary of the Audit, Compliance and Related Party Transactions Committee. Prior to joining Siemens Gamesa he developed his professional career in the Madrid offices of the law firms PricewaterhouseCoopers and Clifford Chance.

  • (1) Audit, Compliance and Related Party Transactions Committe.
  • (2) Appointments and Remunerations Committee.

End of main content


©  Gamesa 2017

  • Follow us on Twitter
  • Follow us on Facebook
  • Follow us on Youtube
  • Follow us on Linkedin