# Peter De Jager

peter de jager is a South African-born Canadian computer engineer, best known for his Y2K early 1990s outcry warning, and was the namesake of the de Jager Year 2000 index that began trading on the American Stock Exchange in 1997.De Jager co-authored "Countdown Y2K: Business Survival Planning for the Year 2000 and periodically writes for Canada's Municipal World magazine, focusing on Change Management. == Y2K == From around 1980, as an IBM employee, he internally alerted them to the problem.In 1993 de Jager wrote a three page item titled "Doomsday 2000" about the effects of simple date calculations, and "testified before Congress in 1996." His initial estimation of "the cost of fixing Y2K at between $50 billion and $70 billion" was subsequently reported to have been too low: Numbers like "only" $200 Billion to over $300 Billion proved more correct (for world-wide expenditures), with $120 Billion by USA firms.De Jager registered and built www.year2000.com, a website he later sold. Part of his "we don't know in advance what will fail, ...