Jonas provides analysis on financial markets and macroeconomic developments in local and foreign markets. He held the same position at Equitable PCI Bank’s Treasury Department from 1998 to 2002. His prior experience includes working as strategist, analyst, equities dealer, and portfolio manager in both money management and institutional equity brokerage with DBS Securities and ACE Securities.

Jonas has been educating investors in trading strategies & corporate governance, having worked in financial markets for more than 20 years. He has delivered numerous lectures in the field of forecasting, investments and corporate governance here and abroad and regularly provides economic commentaries in the Asian Wall Street Journal and is a regular commentator on economic and financial markets on ANC, Bloomberg, and CNN Philippines. Recently, FocusEconomics ranked him as the # 1 Forex Forecaster for the Philippines for 2018. In 2015, FocusEconomics ranked him as the # 1 Current Account forecaster for the Philippines for 2015. He is also a lecturer at Ateneo BAP’s treasury certification program.

He holds a bachelor's degree in Management of Financial Institutions from the De La Salle University (1992). In 1996, he finished the Asian Securities Executive Program at the Asian Institute of Management (Manila)