Complex sentence: Dr. Kalu was a member of the Progressive People's Alliance (PPA) as well as Chairman of the PPA Board of Trustees and was the party's presidential candidate for President in the April 2007 general election.
Split into simpler sentences: Dr. Kalu was also a member of the Progressive People's Alliance (PPA), as well as the chairman of the PPA Board of Trustees. He also served as the party's presidential candidate for president in the April 2007 general election.