SINGAPORE - A long-time stalwart of conglomerate Keppel Corp, Mr Teo Soon Hoe, has died.

The Straits Times understands that Mr Teo died on Sunday after a six-month battle with cancer. He held the position of senior executive director at Keppel, before his retirement in June.

Keppel had announced in May that Mr Teo, 65, would continue to represent it as its nominee director on the boards of the Tianjin Eco-city companies and K1 Ventures. He also continued to represent Keppel Telecommunications and Transportation as its nominee director on the board of telco M1, where he was the chairman.

Keppel T&T is a substantial shareholder of M1, holding a 19.34 per cent interest in M1 as of Feb 25, according to M1's latest annual report.

Mr Teo started his career with Keppel Group in 1975, when he joined Keppel Shipyard. He climbed the corporate ladder and was seconded to various subsidiaries of the Keppel Group. Mr Teo was also Keppel's finance director from 1985 to 2011.