Wabara takes over from Walid Jibrin, who had earlier stepped down as the BoT chairman.
Announcing his resignation, Jibrin said his decision was in the interest of unity in the party.
Recently, there have been protests about the regional lopsidedness in the major opposition party.
Atiku Abubakar, the presidential candidate of the party, is from Adamawa (north-east); Iyorchia Ayu, national chairman of the party, is from Benue (north-central); and Jibrin hails from Nasarawa (north-central).
Members of the party, especially those in the camp of Nyesom Wike, governor of Rivers, have demanded the resignation of Ayu.
However, despite calls for his resignation, the national chairman has stayed put, saying that those who want him out of office “are children”.
The PDP BoT meeting is also expected to take a decision on the demand for Ayu’s resignation.
