About David Vonarx, PE

Dave Vonarx of Hillsboro, Missouri, president and owner of VonArx Engineering Inc., earned a bachelor’s degree in civil engineering from Missouri S&T in 1989, and a master’s in civil engineering from Purdue University in 1993. He started his civil engineering career with the Indiana Department of Engineering and returned to the St. Louis area in 1993 to specialize in site development, transportation, storm water, and structural design consulting. As an engineering entrepreneur in South County and Jefferson County, Vonarx has faithfully served municipal, institutional and private clients in the region for three decades. He is a member of ASCE and the Engineers Club of St. Louis and is an associate member of the Southern Gateway Association of Realtors. Vonarx has also been active at S&T since graduation. He is a member of the 1985 men’s cross country team, which was inducted in to the S&T Athletics Hall of Fame, and he currently serves as president-elect of the S&T Academy of Miner Athletics. He chaired the inaugural event for the Mullin/Elmore Leadership in Athletics speaker series that brought Olympian and Boston Marathon champion Des Linden to campus in November 2021, and he routinely returns to the S&T campus to participate in alumni events.