TunkuHe is the Group Managing Director of Melewar Group Berhad, which has investments in various sectors including financial services, tourism, education, logistics, real estate development and construction. Tunku lskandar is also the Chairman of Neucor Holdings Pte Ltd and Ncucor Alliance (M) Sdn Bhd, which are in distribution and direct selling in Singapore. Malaysia and Indonesia. He is also on the Board of Directors of AEC Education PLC (UK).

In 2001, he was appointed to the National Economic Consultative Council (NECC) of Malaysia, which was formed to advise the Government on the country's strategic planning.

Tunku Iskandar holds a Master of Science Degree in International Marketing of the University of Strathclyde, UK. He is also a Fellow of the Chartered Institute of Marketing (UK), 1SRC of Administrative Management (UK) and 1SRC of Marketing Malaysia. In 1984, he received the -Triple-A- Alumni Achievement Award from the Asian Institute of Management, Philippines.

He was awarded the Darjah Setia Negcri Sembilan (DNS) in 1987 and was also awarded the Darjah Seri Paduka Tuartku Ja'afar Yang Terpuji (DPTJ) in 1989 by His Royal Highness Yang DiPertuan Besar of Negeri Sembilan, Malaysia.