Sony is an accredited Microfinance Training of Trainer certified by ADBI, TDLC of the WB, and UNCDF. He holds master of business administration and bachelor degree in Marketing Management.

Since 2005, he has attended numerous local and international training courses in Asia and Europe related to micro finance operations, products development, research and marketing.

He has more than seven-year experiences in project management as well as marketing coordination in both social and private sector. He joining PRASAC MFI in early 2005 as chief marketing, he was promoted to be a Marketing Manager of PRASAC MFI in 2007.