He is considered the longest service serve for Grandis Timber since the business start in 2009. Vantha has been gone through many various responsibilities from Site Finance assistant, HR Manager and now as Site Manager. His current role is generally manages all aspects of Grandis Timbers Site office and facilities provide management of Human Resources, Accounting, Infirmary and Security.

Vantha, graduated in Bachelor degree in Accounting in 2009 from Vanda Institute of Accounting in Phnom Penh.