QUESTERA - Key Persons


Artur D'Avila

Job Titles:
  • CONSULTANT
  • Senior Associate
Artur D'Avila, Questera senior associate consultant, graduated as engineer at UFRGS, and holds an MBA by the same university. He has extensive management and business development experience in innovation and high-tech, having led multidisciplinary teams, both in Brazil and abroad. Among other relevant managerial positions, he was a Product Director at Samsung Electronics in Brazil, Product Development Manager at Intel Corporation and Assistant Vice-President at Intel Capital, in Sacramento, California. Presently, he is the CEO of Creato Semicondutores in Brazil e of Bexser Corporation, in the United States. Artur advises Questera clients as to their business strategies in microelectronics, high-tech product and service development and implementation, venture capital acquisition and management, and internationalization.

Claudia Martins Dutra

Job Titles:
  • CONSULTANT

Claudio Bittencourt de Mendonça Campos

Job Titles:
  • CONSULTANT

Francisco Lopes de Oliveira Araujo Filho

Job Titles:
  • CONSULTANT

Heitor Luiz Murat de Meirelles Quintella

Job Titles:
  • CONSULTANT

HENRIQUE COSTA RZEZINSKI

Job Titles:
  • Senior Consultant
  • Rzezinski - CONSULTANT
HENRIQUE COSTA RZEZINSKI, senior consultant associated to QUESTERA, graduated as civil engineer by the Federal University of Rio de Janeiro (UFRJ), in 1971 and holds an MA in urban and regional economic planning by the University of California- Los Angeles(UCLA)-1976. An experienced professional and executive, both in Brazil and internationally, he was a Vice President of BG(2010-2013), Vice-President of foreign relations at EMBRAER (2000-2008), Director of Government Matters at Xerox do Brasil and Coordinator of the International Negotiations Group of Xerox Corporation(1986-2000), Chief of Staff of the President, among other important functions at the Brazilian National Housing Bank (1967-1986). Henrique also served and continues to serve in various voluntary and community positions: President of the Brazilian section of the US-BR Business Council (2002-2010), Chairman of the Board of the Brasil Information Center(BIC), recently renamed as Brazilian Industry Coalition - BIC (2004-2011), member of the executive committee and of the Board and President of the American Chamber of Rio de Janeiro (2006-2013), member of the Board of Directors (since 2002) and of the Executive Committee (since 2008) of the Brazilian Center of International Relations (CEBRI), affiliated to the Council of Foreign Relations. Henrique is a consultant of the World Bank, Presidente of Rzezinski Consultores Associados and was a professor at COPPE-UFRJ between 1976 and 1989. He was condecorated by the Brazilian President with the Cruzeiro do Sul order, for relevant services to the country and received the Assespro award in 2008. He is the author of several papers and published articles.

José Guilherme Lameira Bittencourt

Job Titles:
  • CONSULTANT

Marco Saverio

Job Titles:
  • CONSULTANT

Marcos Henrique de Pinho Maurício

Job Titles:
  • CONSULTANT

Otacílio de Albuquerque Lang

Job Titles:
  • CONSULTANT

Paulo Rozenthal - Chief Commercial Officer

Job Titles:
  • COMMERCIAL DIRECTOR
  • Commercial Director of Questera Consulting

Raul Colcher

Job Titles:
  • DIRECTOR
  • Partner and President of Questera Consulting
Raul Colcher, partner and president of Questera Consulting, is a communications engineer graduated at The Military Institute of Engineering of Rio de Janeiro (IME), and holds an M.Sc. and a Ph.D. by the Federal University of Rio de Janeiro (UFRJ). He developed graduate studies and work at Sperry Corporation, in the United States, and worked for several organizations in Brazil, like the UNIVAC division of Sperry Corporation, Montreal Engenharia, Ecodata and Embratel. He served as Vice-Chairman of the United Nations Centre for Trade Facilitation and E-business (UN/CEFACT) in Geneva, Switzerland, and was the UN/EDIFACT Rapporteur for the Americas. He was a Brazilian representative at Study Group 1 of the CCITT (presently the ITU Telecommunication Standardization Sector - ITU-T), and a question rapporteur at the same Study Group. He was the Chairman of the Information Technology standards committee (CB-21) of the Brazilian Standards Association (ABNT), Chairman of the international standards committee for office equipment (ISO/IEC JTC1/SC28) and head of the Brazilian delegation to ISO/IEC JTC1, the joint international standardization committee for information Technology. He worked as an analyst at the GIGA Information Group and managed the Brazilian operation of that company. He was a member of the international jury for the IEC centennial commemorative contest, in cooperation with The Economist the IEEE and other organizations, for the selection of the best papers on standardization for the electrical /electronics fields. Dr. Colcher is a senior member of the Institute of Electrical and Electronics Engineers (IEEE), the IEEE Computer Society and the IEEE Communications Society. He is a member of the Board of Directors of the National Oil and Gas Industry Association (ONIP), on behalf of ASSESPRO. the Brazilian IT Software and Services Association, and a Vice-Chairman of Assespro. He is also a professor and academic coordinator of graduate courses at the Getulio Vargas Foundation (FGV). He is a member of the Board and Deputy Chairman of the World Information Technology and Services Alliance (WITSA), the leading international ITC industry association.

sergio Colcher

Job Titles:
  • CONSULTANT

Sidnei Paciornik

Job Titles:
  • CONSULTANT