[4][5][6] But he together with a few other progressive leaders led by Mohamad Sabu referred as G18 were ousted during the 2015 PAS Muktamar which had launched Gerakan Harapan Baru (GHB)[7] and founded AMANAH.

Salahuddin Ayub was born on 1 December 1961 in Kampung Serkat, Tanjung Piai, Pontian, Johor, and was of Malay-Chinese mixed parentage.

After graduating from school, Salahuddin pursued a Diploma in Business Administration at Tunku Abdul Rahman College (KTAR) from 1982 to 1983.

[8] Salahuddin started his early career as a Financial Officer at MUI Bank in 1980, before delving into social and youth activism within Angkatan Belia Islam Malaysia (ABIM) as the Pontian branch Secretary from 1981 to 1983.

[9] For the 2013 election he returned to his home state of Johor to contest the parliamentary seat of Pulai, losing to its Barisan Nasional incumbent Nur Jazlan Mohamed.

In the 2013 Malaysian general election, Salahuddin contested the Pulai parliamentary constituency in Johor and the Nusajaya State Assembly seat (now known as Iskandar City).

He was immediately rushed to Sultanah Bahiyah Hospital in Alor Setar, Kedah, after experiencing symptoms of nausea and vomiting.

He left behind his wife, six children, eight grandchildren and his elderly widowed 83 year old mother, Aminah Abdullah (born 1940).

[22] He was laid to rest at Jalan Sulong Muslim Cemetery, Pontian, near the graves of his father, Ayub Umar (1935–2008) and grandfather.