  We consider a minimal grand unified model where the dark matter arises from
non-thermal decays of a messenger particle in the TeV range. The messenger
particle compensates for the baryon asymmetry in the standard model and gives
similar number densities to both the baryon and the dark matter. The
non-thermal dark matter, if massive in the GeV range, could have a
free-streaming scale in the order of 0.1 Mpc and potentially resolve the
discrepancies between observations and the LCDM model on the small scale
structure of the Universe. Moreover, a GeV scale dark matter naturally leads to
the observed puzzling proximity of baryonic and dark matter densities.
Unification of gauge couplings is achieved by choosing a "Higgsino" messenger.
