Dr. Mark Kiryu: Senior researcher and director of an anomalous items processing lab. Upon initial recruitment, had a successful career as a therapist (licensed psychologist). Worked extensively with SCP-1457 in his first years with the Foundation but doesn't talk about that, and has spearheaded several projects involving sapient SCP entities. Cheery attitude and a good listener; looks out for his coworkers and interns like a bit of a mother hen sometimes. Has a ceramic seahorse and potted bamboo on his desk.