|Full name Wanasthana Sajakul|
Name Wanasthana Sajakul
1992-1994 Thailand U-20
|Date of birth (1943-02-09) February 9, 1943 (age 72)|
1993-1995 Thailand B (Dream Team)
Place of birth Narathiwat, Thailand
Wanasthana Sajakul, also known as Big Hoy (former name: Thawatchai Sajakul) is a Thai politician and former member of parliament, former manager for the Thailand national football team from 1993 to 1996, and manager of Thailand Premier League side Chula-Sinthana FC. He has led the side to the Thailand Division 1 League, Group B title in 2007 and the Thailand Division 2 League title in 2006.