Complex sentence: Christopher David Steele (born 24 June 1964) is a former British intelligence officer, who worked for MI6 and is a founding director of Orbis Business Intelligence, a London-based private intelligence firm.
Split into simpler sentences: Christopher David Steele (born 24 June 1964) is a British intelligence officer. Steele worked for the Secret Intelligence Service and is a founding director of Orbis Business Intelligence, a London-based private intelligence firm.