YAM Tunku Dr. Kamariah Aminah Maimunah Iskandariah Binti Almarhum Sultan Iskandar, Tunku Puteri Johor is the oldest child of Almarhum Sultan Iskandar Ibni Almarhum Sultan Ismail and Almarhumah Enche’ Besar Hajah Khalsom binti Abdullah of Torquay, England.. Her Highness received her primary education at Convent Of The Holy Infant Jesus , Johor Bahru and later continued her secondary education in Abbotsleigh, Wahroonga, New South Wales , Australia and subsequently returned home to continue her remaining secondary education at Sekolah Tun Fatimah , Johor Baru. Her Highness holds an Interior Design Certificate from Sydney, Australia and Bachelor of Interior Architecture degree (1st Class Honours) from the University of Limkokwing, Kuala Lumpur. In 2018, Her Highness was conferred Honorary Doctorate in Creative Leadership from her alma mater, University of Lim Kok Wing.
Her Highness Tunku Kamariah Aminah Maimunah Iskandariah has devoted her life to caring for the unfortunate and the needy, supporting the education of underprivileged postgraduate scholars as a trustee of the Iskandar Foundation as well as caring for sexually abused children as the patron of an organisation called Protect And Save The Children Association of Selangor and Kuala Lumpur. Her Highness is also an ambassador of the Asian Liver Center at Stanford University in the US
Her Highness is active in the corporate world in Malaysia and has been involved in construction, development, and agricultural businesses. One of her many achievements is the Iskandar Putri Commercial Centre in Johor. Her Highness Tunku Kamariah , sits in the Board of AHB Berhad and SMTRACK Berhad as the Independent Non Executive Chairperson