[1] He previously served as Amyotha Hluttaw MP for Bago Region No.

He is a practicing paediatrician and previously served as the rector of the University of Medicine, Magway.

On 13 January 2011, Win Myat Aye became the rector of University of Medicine, Magway.

[9] On 22 March 2016, he was nominated to be Minister for Social Welfare, Relief and Resettlement in President Htin Kyaw's Cabinet.

[10] He married Mya Thida, an obstetrician and gynecologist, and has one son, Soe Lin Myat.