A workstation assembly configured to ergonomically, comfortably seat and provide workspace for a user, comprising a chair having a base portion on which a user sits, and at least one armrest; and a desk comprising a desk frame, a sliding assembly mounted on a desk frame, and a desktop mounted on a sliding assembly, wherein the desk is configured such that the desktop can be in a compact position with respect to the desk frame, or can be moved from the compact position to an extended position with respect to the desk frame, wherein, in the extended position, a distal portion of the desktop is positioned on the at least one arm rest.