김두봉
On July 29, 1946 the New People's Party and the North Korea Bureau held a joint plenum of the Central Committees of both parties and agreed to merge into a single entity. A founding conference of the Workers Party of North Korea was held on August 28–30. Kim Tu-bong, the leader of the New People's Party, was elected Chairman of the party. Vice Chairmen of the party were Chu Nyong-ha and Kim Il-sung. At the time of establishment, the party is believed to have had about 366 000 members organized in around 12,000 party cells.