Heath will be responsible for managing and improving InfoUK's B2B business data, which provides contact information and mailing lists on over 2.2m businesses, telephone verified to ensure data accuracy.
He will also play a key role in increasing the depth and value of InfoUK's business data, and will support the development of its website.
Prior to joining InfoUK, Heath held the position of senior product analyst at Experian.
Heath started his business data career in 1993 and was one of the founding members of Experian's B2B marketing division under the leadership of Richard Lloyd.
Lloyd was responsible for launching the National Business Database and now heads up InfoUK as its general manager.
Lloyd said: "In order to provide the best sales leads and B2B data on the market and to hit our ambitious growth targets, we are committed to bringing the best talent into our business.
"Steve is no exception, and I have first-hand experience of his expertise in B2B data, especially in data matching and adding value to data, so am confident that he will be a major asset to our business and clients."