Santa Barbara-based RingRevenue, the provider of pay-per-call technology used by affiliate marketers to track conversions, looks to be in growth mode, with the firm nearly doubling its staff over the last four months. The firm, which is led by Jason Spievak, apparently now has 28 full time employees, up significantly from only 16 in January, according to Spievak. Spievak said that the firm is growing primarily in business development and account management, but also has been growing its development team. RingRevenue is backed by GRP Partners and Rincon Venture Partners. The growth comes as the firm has tripled revenues over the last year at the company, according to Spievak.