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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

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Roberto Rey

CEO Carbures

Roberto Rey has over 20 years of professional experience in business management, in the finance, investment and international area, as well as in diverse sectors such as industry, construction and banking. Prior to his position as CEO in San José, he was CFO of Banca Cívica and Caja de Burgos and also, member of the Board of Directors of various companies such as Grupo San José, Campofrío Alimentación, Group Antolin, Interdin... Mr. Rey has a Bachelor of Business Administration (BBA), Finance and Commercial from the Universidad Autónoma de Madrid, Master in Finance from the University of Deusto, PDG from IESE and AMP from Wharton Business School (University of Pennsylvania, USA)

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Board Members of Carbures


Javier Sánchez

Javier Sánchez is President of the Confederación Empresarial of Cádiz, Executive Vice President of the Confederación Empresarial of Andalucía and of the Conderación de Empresarios of the province of Cádiz. He has a degree in Work Science from the Universidad de Granada, and also in Labor Relations from the Universidad de Alcalá de Henares.



Ignacio Foncillas

Ignacio Foncillas is one of the founding partners of Black Toro Capital. He has extensive board experience in listed and private companies, focused on structuring and negotiating complex international investments, both in an advisory capacity and as a principal investor. Mr. Foncillas received a JD from the University of Chicago Law School in 1992 with honors, suma cum laude, and a BA in Political Sciences with General & Special Honors (suma cum laude) from the University of Chicago. He is a member of the New York Bar and the Law Society of England and Wales.


Carlos Guillen

For almost 30 years, Carlos Guillén has been working at the Universidad de Cádiz (Spain) and as a strategic advisor for the creation of companies and Human Resources departments. Teacher, researcher and professor of Social and Work Psychology, Mr. Guillén is the Director of the Official Master on Mediation Conflict Management from the Universidad de Cádiz and attendee professor at the Universita di Bolonia (Italy).


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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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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