PT Sumberdaya Sewatama Tbk, an electricity company in Indonesia, has appointed Ferry Arief Sunandar as the new CEO and Hendrik Zulkarnaen as the new director of the company. Sunandar had previously served as director at Sewatama for two periods. Zulkarnaen has over 25 years of experience in the electricity industry and began his career as a sales manager at Sewatama. Later, he served in two top positions – director and chief sale operation officer – at the company.