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.

A desk assembly with a frame, a seat, and a desk. The frame is configured to support the desk assembly on a horizontal surface and has guide rails extending between a first end and a second end of the frame. The seat is securely attached to the first end of the frame and has an adjustable position. The desk has a desk platform and legs that are movably coupled to the guide rails. The desk is vertically adjustable between a standing position where the desk platform is positioned at a first height and a sitting position where the desk platform is positioned at a second height lower than the first height. While in use, the frame is configured to remain stationary with respect to the horizontal surface and the desk is moveable along the guide rails between the first end and the second end of the frame.