Police in Chicago are seeking help from the public to find a 20-year-old college student who went missing this week.

Jesse Ross was last seen at the Sheraton Hotel on Water Street in Chicago in the early morning hours of Nov. 21. He was registered at the Sheraton Hotel on Rush Street, but never returned for his scheduled departure with fellow students.

Ross is a senior at the University of Missouri in Kansas City. He and others from his school were in town for a mock United Nations conference, reported CBS 2 Chicago.

There were a number of parties in the hotel after Monday's seminar, and police spoke to a number of people who say Ross was most likely drinking, according to CBS 2. Police think Ross disappeared around 2 a.m.

Anyone with information should call (312) 744-8266.

The Associated Press contributed to this report.