Tommy Li Chin Lien was born in the asteroid belt of the Santa Maria system. He was a navy officer, first in the Society of Humanity Navy then in the United Sentients Navy. He joined he navy primarily to pay his college debt and was something of a pacifist.
Tommy reluctantly followed Kris into combat. He came to trust her judgment.
Tommy was abducted while en route to a planet to visit old works of the Three.