High Quality Content by WIKIPEDIA articles! Tom Proulx is an American computer programmer and company founder. He was a co-founder of Intuit and a pioneer of usability testing in the 1980s. He lives in Atherton, California, one of the wealthiest cities in the United States, on an 11-acre (45,000 m2) estate that includes a private 3-hole golf course, the largest property in Atherton.