Vice Chairman Nuñez has built an extensive career in banking and management. He is the incumbent Vice Chairman of AAIIBP and Chairman of the Development Bank of the Philippines.

He is the current Chairman of Asian Express Money Services Corporation, a company in foreign exchange dealership, money changing, and global remittance services. He also serves as director of Camp John Hay Development Corporation, Northwood Resources Corporation, Citystate Savings Bank, Tranzen Group, Inc. La Costa Development Corporation, Agus 3 Hydropower Corporation, universal LRT Corporation Ltd., and Goldenville Holdings Corporation.

He held the posts of former director of Philippine Veterans Bank, serving as chairman of its board credit committee and member of the executive and corporate governance committees. He also served as vice chairman and chief executive officer of Federal Savings and Mortgage Bank from 1997-2000 until its operating officer of Premiere Development Bank form 1982-1986 and 1989-1991. He has also been affiliated with Allied Banking Corporation, and Rizal Commercial de Manila University.

Chairman Nuñez has a Bachelor of arts Major in Economics degree (Honors Program) from Xavier University, and is a candidate for a Master in Business Administration degree from the Ateneo de Manila University..