John Stanfill Former CEO RainKing Software & Executive Officer CoStar Group

John Stanfill is an executive level business professional who has been focusing on subscription-driven information services companies for more than 20 years.

Mr. Stanfill was most recently the Chief Executive Officer of RainKing Software, a private equity-backed information services company that provides sales intelligence on technology, marketing and finance decision makers globally. RainKing had a successful exit in an all-cash deal in August, 2017.

Prior to joining RainKing Software, Mr. Stanfill was an executive officer and Senior Vice President of Sales & Customer Support at CoStar Group (NASDAQ: CSGP), where he held numerous senior roles at the organization over 19 years. Mr. Stanfill’s contributions were instrumental in CoStar’s growth from $2 million in revenue when he joined the company in 1995 to nearly $600 million and a market capitalization over $5 billion when he left in 2014.

Mr. Stanfill received a B.A. from Boston University.