Management Team


Quantum Strategics is founded by former executives of multinational financial companies. We have a result-oriented team which has the vision, experience and ability. This team has come together to provide boutique services across different parts of the organizations. We bring together best practices from emerging and mature markets, which enables us to deliver exceptional value to our clients.


Sergio Bahdur (CEO)

Senior Executive of credit risk management experiences in financial institutions with over 25 years of experiences, including, Chief Credit Officer of Citigroup, Brazil and Colombia. Director of Portfolio Management and Scoring in Mexico. Graduated in Engineering from FEI and Administration from Fundação Getúlio Vargas and Certificate in Business Management from INSEAD (Advanced Management Program). President of Credicard, Brazil between (2005-2006). Contributed the record high value of the company under sustained growth.


Xidi Wang

Head of Analytics (2000-2010) of Credicard and Citibank, Brazil, portfolios including Cards, Retail Bank, Citifinancial and CitiBusiness. Analytical Strategies for Acquisition, Maintenance, X-Sell, Collection and Fraud Prevention. Director of Analytics, Global Consumer Bank, Citigroup (1998-2000), responsible for all scoring projects of Asia and Latin America. Benchmark various modeling techniques. Prior to 1994, Scientist, Los Alamos National Laboratory in the United States. Ph. D. degree in Physics, University of California, San Diego.