The first round interview consists of a written test designed for your maths capability and analytical thinking under the tight time limit. The second half of the first round interview is a session of group training on case interview. It was very helpful for candidates with advanced science degrees. In the second round, there are 2 one-on-one interviews with McKinsey consultants, sometimes managers. Each half of the interview consists of a case interview and experience interview. The recruiters are very professional, and they make the whole interview process going smoothly for candidates. Candidates are informed clearly what to expect at each stage of the interview process.