Alexis Leskinen

Age: 34
Likes: Partying, Convience Store Lunches

Alexis Leskinen is a neuroscientist and professor at Victor Chondria University in the United States, and the mentor of Maho Hiyajou and Kurisu Makise. He is a senior researcher at the Brain Research Institute.

An outgoing, imposing but very kind man, Dr. Leskinen is both a respected scientist and a "big child," according to his assistant Maho, whom he often teases.

(Source: Steins;Gate Wiki)