Hyundai Motor Group's two vice chairmen in charge of research and development (R&D) have offered to resign, three sources told Reuters.
R&D president Albert Biermann is likely to be named the new head of the division, two sources added.
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The news agency report noted Hyundai was battling a plunge in sales, profits and its share price, and the reshuffle would be the latest since it promoted Euisun Chung in September to executive vice chairman, moving him closer to succeeding his octogenarian father as head of South Korea's second largest group.
The group has appointed new product strategy, design chiefs and replaced senior executives at its overseas operations, including China and the United States.
The latest shake-up at the group, which includes Hyundai Motor and its affiliate Kia Motors, could be announced on Wednesday, one of the sources told Reuters.
It is "part of a generational change Chung is pushing for", another person said.
A Hyundai Motor spokesman declined to comment to Reuters.
The group's vice chairmen, Yang Woong-chul and Kwon Moon-sik, both aged 64, told senior officials at its R&D centre on Tuesday they would leave the company, the sources said, declining to say why they had offered to resign.
Biermann, a former BMW performance vehicle development official, adds to a flurry of foreign executives that Chung, 48, has brought in to the company typically dominated by Koreans, Reuters noted.
In October, Thomas Schemera, also a former BMW executive, was appointed to lead product planning for autonomous cars, connected and electrified vehicles, while Luc Donckerwolke, a former Bentley design chief, was appointed to oversee design at Hyundai and Kia.
Hyundai Motor's third-quarter net profit plunged by two thirds, hit by US recall costs that added to its problems. The automaker was already suffering with weak sales in its key US and Chinese markets, the report added.
