Koh Min Hui joined the Singapore Chinese Orchestra as a zhongruan musician at the age of 21, right before graduating from the Nanyang Academy of Fine Arts (NAFA) with a music degree in 2011. Back then, she was the youngest musician in the orchestra.

Min Hui is no stranger to the music industry. Currently, she is the Zhongruan Principal of the Singapore Ruan Chamber Ensemble and committee member of the Ruanxian Association of Singapore. Min Hui is professionally trained to teach autistic children ruan and has been teaching in Pathlight School since 2014. She is also the newly appointed ruan instructor for the Singapore National Youth Chinese Orchestra (SNYCO) since January 2020.

Growing up in the music scene, Min Hui started learning zhongruan at the age of 8 under the guidance of Ms. Xu Yi Ping. She later gained admission to the School of Young Talents at NAFA, where she obtained the Zhongruan Diploma awarded by the Central Conservatory of China in 2005. Since 2006, Min Hui has been under the tutelage of Mdm. Zhang Ronghui, Ruan Principal in the SCO. A recipient of the Ngee Ann Kongsi merit award for degree studies in 2010; Min Hui graduated from her BA (Hons) Music, majoring in Ruan, with an upper second-class honour at NAFA in July 2011.

A multi-award winner, Min Hui was the only Gold Award winner representing Singapore in the 2010 Inaugural International Ruan Competition (professional youth category) organised by the China Nationalities Orchestra Society in Beijing. In 2008, she was the first person in history of the National Arts Council National Chinese Music Competition (now known as Singapore Chinese Music Competition) to clinch the First prize in the Zhongruan Open Category.