Meet Our Team
Our competent and friendly staff is comprised of professionals with an impressive combination of skills, education, and qualifications.
Oscar Eduardo Mary
Oscar is co-founder of RCBM and Managing Partner and Chief Executive Officer of RCBM in Carrollton, TX.
He is graduated from the School of Economics at the University of Buenos Aires (1979) and a licensed CPA in Argentina. In 2006 Oscar was admitted as a Certified Fraud Examiner by the Association of Certified Fraud Examiners (CFE) and in 2013 as a Certified Internal Control Auditor (CICA) by The Institute for Internal Controls, both in the United States.
His professional experience was progressively developed in managerial positions at consumer products and industrial companies, subsidiaries of large U.S. corporations in Argentina, with highly successful record in audit, accounting and strategic planning areas. As Controller and Chief Financial Officer of multinational companies he was actively involved in international expansion projects and was in charge of start-ups and further oversight of international operations.

Gabriel Riveiro
Gabriel is co-founder of RCBM Group and head of the General Tax Practice of RCBM in Buenos Aires, Argentina. He graduated from the School of Economics at the University of Buenos Aires (1987).
He developed his professional career in the Audit and Tax Departments of KPMG Klynveld Peat Marwick Goerdeler, where he acquired additional competence in those areas. Gabriel has focused his career on tax planning and compliance and gained experience in preparing individual and corporate tax returns as well as representing clients before the IRS. His area of expertise include expatriate tax services and transfer pricing.
He is a member of different committees at the Buenos Aires Society of CPAs the Argentine Association of Fiscal Studies and the International Fiscal Association.
Roberto Omar Condoleo
Roberto is co-founder of RCBM Group and head of the Forensic Tax Practice of RCBM in Buenos Aires, Argentina. He is graduated from the School of Economics at the University of Buenos Aires (1979) and obtained a M. S. in Taxation at the same School in 1996.
In federal and state tax debt collection matters, he has a large experience in serving individual taxpayers, Corporations, LLCs, Partnerships, and small businesses before the Collection and Examination Divisions of the tax authorities. He provides regular tax representation services to local subsidiaries of multinational corporations.
Roberto has been speaker for over 20 years at different professional events organized by public and private organizations including universities and societies of CPA as well as a member of the Tax Advisory Council to the Senate in Argentina.