Bas Hassanat Piniwat is a Thai-American-Chinese singer and actor born in Bangkok and raised in Chiang Mai, Thailand. His cousin is actor Chaiyapol Julien Poupart. After studying at Montfort College in elementary school, he went on to study at the Thai-Chinese bilingual school Chongfah Xinseng Wanish Bamrung. However, when he quit table tennis and chose to pursue acting, he switched to a GED programme. Afterwards, he enrolled in the Faculty of Communication Arts at The University of the Thai Chamber of Commerce.
As a youth table tennis player, he was a District 5 representative (northern region). In national competition, Bas managed to place 2nd runner up. When he was substituted, he decided to make the career change from athlete to singer-actor. Starting out, he landed mainly extra work. It wasn't until "2Moons" in 2017 that Bas landed his first leading role. In 2018, he joined the recurring cast of his first Chinese series "Cinderella Chef".
In February 2018, he made his debut as a vocalist in the boy group SBFIVE which disbanded in 2020.
In 2023, Bas left Star Hunter Entertainment and signed as talent under Studio Wabi Sabi. Born Suradet Srithongnopphawong, he changed his last name in the beginning of his career before changing his first name to Hassanat in 2024. หัสณัฐ พินิวัตร์(1999년생, Bangkok, Thailand) 는 배우로, 대표작으로 บอกโลกให้รู้ว่ากูรักมึง, คนที่ใช่, พ่อ... เป็นแล้วไม่หาย가 있으며, 그 외에도 포에버 유, Gen Y, 맹처식신, ซอโซ่ล่ามธีร์, เพราะรักนำทาง พาร์ท 2, 클로즈 프렌드, U-PRINCE Series, 2 Brothers แผนลวงรักฉบับพี่ชาย, เดือนเกี้ยวเดือน, รักวุ่นวายนายรสแซ่บ, สูตรรักนักการโรงแรม, Let's Go Hunter 등 다양한 작품에 출연했다. 특히 2026년에는 ซอโซ่ล่ามธีร์에도 참여해서 활동중이다. (오뜨랑에서 실시간으로 번역된 한글 프로필도 확인할 수 있어요) 2026년 ซอโซ่ล่ามธีร์에서 Zo / "Derya MK12" 역을 맡았다. 2025년 เพราะรักนำทาง พาร์ท 2에서 North Natchanan 역을 맡았다. 2024년 포에버 유에서 North 역을 맡았다.