Walaupun Rahmat lahir di Bukittinggi, tapi Sekolah Dasar (SD) sampai Sekolah Menengah Atas (SMA) ia tempuh di Jakarta. Pendidikan tinggi dijalaninya di jurusan teknik industri Institut Teknologi Bandung (ITB), dan meraih gelar insinyur pada tahun 1991.[2] Setamat dari ITB ia mencari kerja dan langsung diterima di Toyota Astra Motor (TAM).[3]
Karier
Staff Purchasing Division of Local Component Supplier for Vehicle Manufacturing and Assembling Toyota Astra Motor (TAM) (1991 – 1993)
Assistant Manager Purchasing Division of Local Component Supplier for Vehicle Manufacturing and Assembling TAM (1993 – 1995)
Manager Government Relation / Affair, in charge for: Customs Office, MITI, Investment Board, and other related to Government Office TAM (1995 – 2000)
Deputy Division Head Service Parts Division TAM (2000 – 2003)
Division Head Service Parts Division TAM (2003 – 2007)
Division Head Aftersales Marketing Division TAM (2007 – 2008)
Coordinator of Aftersales Group (Aftersales Marketing Division, Service Parts Division, Technical Service Division) TAM (2008 – 2009)