- Factional PDP chairman, Ali Modu Sheriff has come under harsh criticisms again - Barr. Chris Okewulonu wondered why Sheriff was bent on remaining PDP chairman - He said a critical check will show Sheriff was a non-card carrying member of the PDP Barr. Chris Okewulonu, a former secretary to the Imo state government (SGI), has described the embattled factional chairman of the Peoples Democratic Party (PDP), Senator Ali Modu Sheriff as a pretender. According to him, Sheriff was bent on bringing the party to its knees, Leadership reports. Okewulonu was reacting to leadership crisis rocking the party and the ruling of a Federal High Court in Port Harcourt. READ ALSO : PDP National Convention: Nigerian speaks on crisis Speaking in Owerri, the Imo state capital, the former SGI said Sheriff's desperation to remain chairman was a bad omen to the party.