(KRON) -- The Alameda County Sheriff's Office is seeking the public's help in finding Nhigel Norwood, 21, who was last seen in San Leandro on Sunday. Sheriff officials say Norwood was last seen at around 8 a.m. when he "suddenly" left his residence on 163rd Avenue. Nhigel is 6-foot-4 and weighs about 180 pounds. He has a dark complexion, short brown hair, and brown eyes. He was last seen wearing a gray t-shirt and blue shorts. Sheriff officials said Nhigel is familiar with public transport. "We are all concerned about Nhigel's safety and ask for your help in bringing him home," ACSO said. Anyone with information on Nhigel is asked to contact the sheriff's office at (510) 667-7721.