Please answer the following question: Robin Berry Janvrin Baron Janvrin GCB GCVO QSO PC (born 20 September 1946 Cheltenham England UK) was the Private Secretary to Queen Elizabeth II from February 1999 to September 2007. Janvrin was also a Trustee of the Queen's 80th Birthday Trust and is the chairman of trustees of the The Royal Foundation of The Duke and Duchess of Cambridge and Prince Harry. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Office Holder