South Korean engineer Kim Gwang-ho was almost certain he would receive ample compensation from the National Highway Traffic Safety Administration's whistleblower program for a tip-off about safety lapses at Hyundai Motor Co., his employer of 26 years. Now, at the end of a five-year ordeal, the award from the safety regulator has made Kim more than $24 million richer, and he aims to set up a foundation to promote responsible corporate culture.