Masiwei 马思唯 is a Chinese male singer in mainland China. In 2014, Ma Siwei made his official debut as a rapper with "Laoshan Taoist". In 2015 he helped formed Higher Brothers boy band and serves as their leader.
- Name: Masiwei 马思唯
- Birthday: January 27, 1993
- Birthplace: Chengdu, Sichuan Province
- Zodiac Sign: Aquarius
- Citizenship: China
- Occupation: Singer
-In 2015, he formed the rap group Higher Brothers with DZ, Melo, and Psy.P. As the leader of the Higher Brothers team, Ma Siwei can write and produce songs, and do the mixing and MV editing of almost all team songs .