GM India President and MD Kaher Kazem said: "... His understanding of the business and international experience will be invaluable as we look to grow our presence in India."
Sternberg will be responsible for leading the aftersales organisation. He will be reporting to Kazem and will be based at the company's headquarters in Gurgaon.
An automotive industry veteran with over 26 years of global experience and engineering industries, had recently moved to India from Germany where he held the position of Director Customer Services and Executive Director Customer Experience Europe at Opel/Vauxhall.