You say "Nobody does 'science' in general", but you are wrong. Many people work at organizations that have a broad range of scientific pursuits in a broad range of fields of study. The Chief Scientist's job is "ensuring that [the organization's] research programs are widely regarded as scientifically and technologically well founded and are appropriate for their intended applications".
You say "Nobody does 'science' in general", but you are wrong. Many people work at organizations that have a broad range of scientific pursuits in a broad range of fields of study. The Chief Scientist's job is "ensuring that [the organization's] research programs are widely regarded as scientifically and technologically well founded and are appropriate for their intended applications".