He is Saleh al-Sammad, who served as incumbent president in Huthi-controlled areas and head of the group's Supreme Political Council.
The strike was conducted on Thursday in the eastern province of Hodeida by a "US-Saudi" "fighter aircraft," the council said.
The announcement was made on January 20 by Al-Masirah TV and the Yemen News Agency when one day after air strikes on a wedding party in northwestern Yemen killed three dozen people and injured several others.
The Council declared three days of grief Sammad's death and selected Mahdi Mohammed Mashat as his head.
The Yemen war began in early 2015, when Houthi rebels drove out the US-backed government of President Abdu Rabbu Mansour Hadi of the Yemeni capital Sana'a.
The Saudi government's airstrikes are responsible for 61 percent of civilian casualties in the war in Yemen, according to the UN Human Rights Bureau. The UN report added that the Houthi rebels lived in densely populated areas with no apparent shelling and sniper fire in the densely populated areas.
At least 33 people were killed and 41 injured after air raids on a northwestern wedding party on Sunday night] Two rockets hit the celebration in Hajja city a few minutes apart, eyewitnesses and officials told CNN. According to official sources, at least 17 women and children were killed in the strikes.
Yemen's Houthi officials report that the strikes first hit the men's assembly of the wedding before they entered the women's section nearby.
"Due to many victims of the coalition-led wedding attacks, field hospitals were stationed near the attacks to provide medical treatment to injured civilians to save lives," said one Houthi Ministry of Health spokesman Abdul Hakim Alkhulani
"Tens of thousands have been killed and the final death toll is not clear yet, and the United Nations has proven it has no influence in forcing coalition forces to stop massacring civilians." Alkhulani added] In retaliation for the strikes, the Houthi rebels fired two rockets at a Saudi oil port, a senior official from the Houthi-controlled Defense Ministry told CNN.
The rockets were intercepted at 4:26 pm in Jazan, a coastal city in southern Saudi Arabia. (9:26 pm ET), said the coalition spokesman, Colonel Turki al Maliki CNN.
The Saudi Arabia-led coalition that fought Yemen's Houthi rebels said it is investigating the strikes at the wedding party.
"We take this report very seriously and it is being studied extensively, as are all such reports, and while this is still going on, it would be inappropriate to comment further," Maliki said.
The strike wounded 32 children, said the head of the Al-Jimhori Hospital in Hajja, Mohammed AlSomali.
Graphical snapshots of the aftermath of the airstrike showed that injured people rolled into a hospital.
A US Senator condemned American involvement in Saudi-led air strikes on Yemen. Responding to a report on the wedding party's deaths, Democratic Senator Chris Murphy of Connecticut said on Twitter: "We sell them the planes and the bombs, we provide information and help them pick the targets, and we refuel their planes in the middle of the attack. "
Journalist Hakim Almasmari reported from Sanaa, CNN reported from Atlanta's Daniel Nikbakht and Abu Dhabi's Sarah El Sirgany CNN Tamara Qiblawi wrote from Beirut and CNN's Joe Sterling wrote and wrote from Atlanta.