Complex sentence: Originally wanting a career as an Army officer, he was commissioned into The Gordon Highlanders, war pensioned in 1984, he joined Barclays Bank, before becoming private secretary to a prominent Conservative MP in 1988.
Split into simpler sentences: Originally wanting a career as an Army officer, he was commissioned into The Gordon Highlanders, war pensioned in 1984, he joined Barclays Bank. He became private secretary to a prominent Conservative MP in 1988.