Complex sentence: Troyjo headed the Strategic Division of Brasilinvest, Brazil's foremost merchant bank, and served as a career diplomat and was Press Secretary at the Brazilian Mission to the United Nations in New York.
Split into simpler sentences: Troyjo headed the Strategic Division of Brasilinvest, Brazil's foremost merchant bank. He served as a career diplomat and was Press Secretary at the Brazilian Mission to the United Nations (UN) in New York.