Diwa Guinigundo rose from the ranks of the Bangko Sentral ng Pilipinas (BSP) and is now Deputy Governor for the Monetary and Economics Sector, BSP. He has been serving the BSP for 40 years. He was assistant governor for monetary policy and international operations prior to his appointment as deputy governor in 2005.

In 2001-2003, he was Alternate Executive Director at the International Monetary Fund in Washington, DC. Earlier he was Head of Research at The SEACEN (Southeast Asian Central Banks) Centre in Kuala Lumpur in 1992-1994.

Since 2000, Deputy Governor Guinigundo has co-chaired with Bank Negara Malaysia the SEACEN Experts Group on Capital Flows and in 2010-2013, the ASEAN Senior Level Committee (SLC) on Financial Integration. He serves as co-chair of the SLC for the second time in 2016-2018. He also chaired the SEACEN Task Force on SEACEN membership.

For the period 2009-2012, he chaired the Executive Meeting of East Asia and the Pacific (EMEAP) Monetary and Financial Stability Committee of EMEAP central bank deputies that is tasked to conduct regional and global surveillance.

Deputy Governor Guinigundo graduated, cum laude, at the top of his AB Economics Class at the University of the Philippines (UP) School of Economics. He earned the M.Sc. degree in Economics at the London School of Economics (LSE) as a scholar of the Central Bank of the Philippines.