[3] Born on 2 January 1974, in Kuala Pilah, Negeri Sembilan, he started his career as a lawyer before venturing into the political arena in 2006.
In the 14th General Election, he contested under the PKR ticket, defeating the three-term Kuala Pilah incumbent, Hasan Malek.
In April 2021, Eddin Syazlee was embroiled in controversy when he was caught falling asleep during a convocation ceremony of a religious college in Seremban, of which he was the guest-of-honour.
[4] At 7:10 MST on 20 September 2024, Eddin Syazlee died at his home in Bukit Chedang, Seremban, Negeri Sembilan, Malaysia.
State Chairman of PN of Negeri Sembilan Mohamad Hanifah Abu Baker said that the health of Eddin Syazlee had been deteriorating over the past five months and he had been receiving medical treatment.