Our team

From a university spin off to a multinational company CARBURES started in a small plant in Cádiz, with a reduced research group of academic experts from from the University.

After friendly integrations of different Companies worldwide as well as its organic growth following the increase in production, the CARBURES Group has more than 900 people working in 18 plants in seven different countries.

The people of the CARBURES Group have developed a strong sense of pride of belonging. Among them, there are experienced engineers, experts in the technology and manufacturing processes with composite materials, nanostructures, design, hardware, software, production processes, robotics, tooling, FPGA, simulators, frequency-hopping, interpretation of plans…; who work very closely with skilled operators in assembly, trimming, autoclave management, machinery programming, sandwich structure repair, simple structures lamination…. Both engineers and operators are coordinated with quality experts in the applicability of composites, management of integral system, regulations and accreditations, industrialization processes… All of these, under the supervision and guidelines of our Lean management department, with years of experience in SQCDP panels, MLS, PIA, Control Production Board, PDCA, Visual Management, Practical problem Solving, 5S, Andon, Canban…

CARBURES group has also a very experienced IT department that, over the last fifteen years, has developed its own engineering systems and processes, including software development, applications programming, servers’, ERP and telecommunication’s management, computer support and so on.

Management team/ Board of Directors

Founder and Chairman for Carbures

Rafael Contreras

Rafael Contreras

Carbures chairman and head of the board of directors, Mr. Contreras is an expert in strategic management and technology transferring processes. He has a vast experience, of over 17 years, creating companies, primarily those with a technological profile. Moreover, he also has a rich experience in internationalization processes –USA, China, South America, etc. – in different sectors. He is Doctor in Social Sciences and Law, having a degree in Business Administration, a Master in Conflicts Management from the Universidad de Cádiz (Spain) and Master in Organizational Consulting from the Universita di Bolonia (Italy). Executive education at Harvard, Columbia and MIT..


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CEO Carbures

borja martinez laredo

Borja Martínez-Laredo

CEO Carbures

Martínez-Laredo holds a degree in Economics and Business Administration from the Complutense University of Madrid, an Executive MBA from the Instituto de Empresa Business School (IE) and a General Management Program (PDG) from the IESE Business School. Martínez-Laredo adds more than twenty years of work experience in the financial and business sectors. In addition to Director of UBS, throughout his professional career, Martínez-Laredo has served as Director of Large Assets and Institutions in Capital at Work, a wealth management company now called Value Tree, and as Director of CCS (linked to the management of sanitary material). In 2015, he was appointed by UBS Key Talent and in 2016 a member of the Circle of Excellence, awarded by the Swiss bank UBS to top performers worldwide.

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Vice president


Javier Sánchez

President of the Confederation of Employers of Cádiz, Territorial Vice-president of the Confederation of Employers of Andalusia and President of the Chamber of Commerce of Jerez, Javier Sánchez Rojas has more than thirty years of work experience as an entrepreneur in various sectors. Graduated in Labor Sciences from the University of Granada, Industrial Relations from the University of Alcalá de Henares and Senior Management Program from the San Telmo International Institute, he has received several awards in recognition of his professional work in defense of business interests. His extensive experience and dedication have allowed him to participate in successful negotiations with different administrations, as well as with Trade Union Centers. He was appointed Vice President and Coordinating Director of non-executive Directors of Carbures in July 2016.

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Board Members of Carbures


María Jesús Guerrero Lebrón

Mrs. María Jesús Guerrero is a Professor of Commercial Law and has been member during 8 years of the Spanish Civil Aviation, Accidents and Incidents Investigation Commission. Her main line of research is Air Law, an area in which, in addition to numerous publications, she participates in national and international academic and professional forums.

She is currently “Visiting Professor” at Harvard University and has also visited the Universities of La Sorbonne (Paris) and La Sapienza (Rome). She has participated in several pre-legislative works, e.g. as member of the General Codification Commission writing the Draft of Commercial Code. She participates in other working groups in International organization: Safety Information Protection Task Force (International Civil Aviation Organisation, ICAO); Just Culture team (Eurocontrol); UNIDROIT (Spanish Contact Group for the following up of Cape Town Convention); and European Commission (Focus Group related to the Evaluation of Regulation (EU) nº 996/2010 on safety investigations). She was awarded in 2015 with a Medal of Honor from the “Asociación Latinoamericana de Derecho Aeronáutico y Espacial” (ALADA). Ms. Guerrero represents Spain in the Organizing Committee of the European Air Law Association (EALA).

Mr. María Jesús Guerrero holds a seat at Carbures Board of Directors representing Rafcon Economist S.L.

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Jose Maria Vallejo

Mr. Vallejo is State Finance Inspector and also Corporate Tax Director of the BBVA Group with an extensive professional experience in the public sector, particularly within the Ministry of Finance, where he held various positions, including Deputy Director General for International Tax Affairs, and permanent Representation of Spain to the European Union, under the Ministry of Foreign Affairs. Among other positions, Mr. Vallejo was also partner responsible for EU Tax Law in KPMG Abogados.

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Iñaki Torres

With a degree in Journalism from the University Complutense of Madrid, he has also carried out private studies in Law and Business Administration. He was Director of Diario 16 following its acquisition by Grupo Voz, joining the newspaper after 10 years with Tiempo magazine, where he rose from Night Editor to Chief News Editor and Assistant Director. In 1998, he joined Estudio de Comunicación as a Director, and between 1999 and 2000 he was Director General of Estudio de Comunicación Argentina, based in Buenos Aires.

As a Strategic Communications advisor, he has been involved in corporate cases regarding delicate processes for companies such as takeover bids, acquisitions, mergers, crisis situations, IPOs and restructurings in countries such as Spain, UK, Argentina, Mexico and Brazil. He has developed Internal and External Communications and Crisis Plans for major financial entities, companies from the energy industry, and other industrial corporations from Spain and Latin America.

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ramon betolaza

Ramón Betolaza 

Ramón Betolaza has over 18 years of investment experience in distressed, special situations and rescue and stabilisation of companies across different cycles in Europe, USA and Asia. He was a partner from inception of MatlinPatterson Global Advisers LLC in New York, which was established in 2002 as the spin-off of the Credit Suisse Distressed Securities Group.

He holds a degree in Economics and Financial Management from the Commercial University of Deusto and earned his MBA, summa cum laude, from IE – Instituto de Empresa Business School, where he currently serves on the IE International Advisory Board. He is also a member of the Council of Advisers to the IE Fund. He has extensive experience as a proactive board member in private and listed companies and currently serves on the boards of directors of various privately held companies.

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rafael sunol2


Rafael Suñol

He has a degree in Economics from the University of Barcelona, a master's degree from ESADE Business School and a master's degree in business administration and management from IESE Business School and the University of Navarra. Rafael Suñol has an extensive professional experience and specifically in the automotive sector. After serving as Deputy General Manager of Financial Services GDS in La Caixa (currently CaixaBank), President of Banco de Crédito Industrial and Managing Director of Banco de Fomento, he has held senior positions in organizations such as PSA Peugeot Citroën España, Fecsa (Endesa) , Ericsson, REE, Dalkia and Mémora. Currently, the new independent director of Carbures has also been a member of the Inypsa engineering board for 15 years and he is a director of Banco de Alcalá.

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