A multi-environment computer device configured for providing a work environment type and a personal environment type via a user interface for a device user, each of the environments having the same persona, the device having: a computer processor coupled to a memory, wherein the computer processor is programmed to coordinate interaction between the device user and the pair of environments presented on the user interface by: configuring the user interface to present the personal environment for facilitating interaction between the device user and personal applications associated with the personal environment, the personal environment having an assigned user name of said persona and a personal password, the personal environment presented using a set of unique personal environment user interface design elements for distinguishing the personal environment from the work environment via the user interface; and responding to a switch environment command generated by a switch mechanism invoked by the device user via the user interface to replace the personal environment with the work environment on the user interface.