The companion Hadrian Sanon can be recruited after completing the UC faction questline, at TMD Headquarters. You need to talk to Dr. Percival to convince her to join you.
Hadrian Sanon
Skills
Pain Tolerance
Pain hurts - but only if you're not strong enough to take it.
Energy Weapon Dissipation
Considering the widespread use of energy weapons in the Settled Systems, specialized training to minimize damage is considered invaluable.
Xenosociology
While sentient life has yet to be discovered, the galaxy's alien species are generally intelligent enough to be susceptible to the power of suggestion.