Abstract: A reformer for producing syngas from a feed gas; the reformer contains a syngas reaction container having a partial oxidation (PDX) feed gas inlet, a dry reforming (DRM) feed gas inlet, and an outlet permitting a syngas to exit the syngas reaction container. The syngas reaction container has a PDX reaction zone and a DRM reaction zone. The DRM reaction zone is positioned downstream from the PDX reaction zone. The DRM reaction zone has a DRM reactor for performing a DRM reaction. One or more heat exchangers are provided in the syngas reaction container for controlling the temperature of the feed gases and/or reactions; wherein heat from the PDX reaction is used to heat the DRM reactor zone for performing the DRM reaction. Also, disclosed is a process for producing syngas from a feed gas and a system for performing a Fischer Tropsch reaction.