Complex sentence: The building was designed by GAPP Architects and Urban Designers and its Principal architect is Chris Kroese.It is set to be completed in 2016 at which point it will be the tallest building in Kenya and the second tallest building in Africa.
Split into simpler sentences: The building was designed by GAPP Architects and Urban Designers and its Principal architect is Chris Kroese. It was set to be completed in 2016 at which point it will be the tallest building in Kenya and the second tallest building in Africa.