Heather Horvath

ALL4 LLC provides environmental consulting services. Its services includes air quality compliance, air quality permitting, air quality dispersion modeling, continuous ambient and meteorological monitoring, environmental program management, multimedia program management, multimedia regulatory analysis, and climate change. The company was founded in 2002 and is headquartered in Kimberton, PA.

The Vanguard Group, Inc. (VGI) is an independent, SEC-registered investment advisor and mutual fund manager headquartered in Malvern, Pennsylvania. The firm was founded in 1975 by John Bogle. In 1976, they introduced the first indexed mutual fund, the First Index Investment Trust (now known as the Vanguard 500 Index Fund), to individual investors. VGI provides investment advisory services to Vanguard family of funds and Vanguard's non-US clients, which are comprised of funds established as trusts under the laws of the Province of Ontario in Canada and separate account clients of Vanguard's international subsidiaries.