  We argue that the creation of a baryon asymmetry in the early universe is an
intriguing case where several aspects of ``Beyond'' physics are needed. We then
concentrate on baryogenesis in a strong first-order phase transition and
discuss that supersymmetric variants of the electroweak theory (MSSM and some
version of NMSSM) rather naturally provide the necessary ingredients. The
charginos and the stops play a prominent role. We present CP-violating
dispersion relations in the chargino sector and show results of a concrete
model calculation for the asymmetry production based on quasi-classical
Boltzmann transport equations and sphaleron transitions in the hot electroweak
phase.
