- Riaz owned a seafood and soft drink company called Yes Corporation Limited.
- Runs a film production company "Pathik" in 2005 with friend Tuhin Borua, first film of the banner Hridoyer Kotha (2006).
- Brother-in-law of famous film director Zahir Raihan.
- Hyderabad, India: Working on scripts for feature film Moner Majhe Tumi (2003) (July 2002)
- Kolkata, India: Working on scripts for feature film Moner Majhe Tumi (2003) (September 2001)
- London, United Kingdom: Working on scripts for feature film Kothin Bastob (2001) (July 2001)
- New York, NY, USA: Living and business working (August 2013)
- Bangkok, Thailand: Working on scripts for feature film Kothin Bastob (2001) (January 2001)
- Kolkata, India: Living and personal working (January 2003)
- Berlin, Germany: Living and personal working (June 2001)
- New York, NY, USA: Living and personal working (February 2003)
- Istanbul, Turkey: Living and working of "Bangladesh Air Force" T-Thai Seven Course (March 1991)
- New York, NY, USA: Living and personal working (August 2002)
- Rome, Italy: Living and personal working (June 2001)
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