process may result in a sale of the fund or its assets, they said. Istithmar, run by David Jackson, said this week that co-chief investment officers John Amato and Felix Herlihy would leave the firm. Jackson's job is under review, the people said. A restructuring by Istithmar and its parent Dubai World may

process may result in a sale of the fund or its assets, they said. Istithmar, run by David Jackson, said this week that co-chief investment officers John Amato and Felix Herlihy would leave the firm. Jackson's job is under review, the people said. A restructuring by Istithmar and its parent Dubai World may