Complex sentence: He is an internationally renowned architect, having designed iconic skyscrapers, commercial and residential buildings.He has designed some of the tallest and largest sustainable building complexes in the world--including the North Atlantic Treaty Organization's (NATO) headquarters in Brussels, Belgium.
Split into simpler sentences: He is an internationally renowned architect, having designed iconic skyscrapers, commercial and residential buildings. Globally known for designing some of the tallest and largest sustainable building complexes in the world--including the North Atlantic Treaty Organization's (NATO) headquarters in Brussels, Belgium.