Halstatt is a family owned investment firm headquartered in Naples, Fla. Katie Sproul, Halstatt’s CEO is the great granddaughter of Barron Gift Collier, the founder of Collier County, Fla. The Sproul family has been instrumental in the development of Florida for more than half a century. Halstatt and its network of affiliated firms manage Halstatt’s capital across a broad range of asset classes as well as that of a select number of family office and institutional investors.