KIEV, Dec. 11 - President Viktor Yushchenko has been considering whether to reappoint Oleksiy Ivchenko as the head of Naftogaz Ukrayiny, the state oil and gas company, Anatoliy Kinakh, Yushchenko's security advisor, said Sunday.

Ivchenko, who has been holding two jobs, at Naftogaz and as a first deputy energy and fuel minister, was dismissed from both posts Friday by Yushchenko's decree.