Fields is accused of slamming a Dodge Challenger into the crowd of counter-protestors, injuring 19 and killing one..
20, appeared via a video link from Albemarle-Charlottesville Regional Jail and was held on multiple felonies in the incident that occurred during a white nationalist rally that saw clashes between protestors and counterprotestors.
Records show he last lived in Maumee, Ohio, about 15 miles southwest of Toledo.
Fields is charged with one count of murder, three counts of malicious wounding and one count of hit-and-run.
Federal authorities are holding a civil rights investigation into the circumstances surrounding the crash.
Derek Weimer says he taught World History to Fields, as well as a course called America's Modern Wars, while Fields was a student at Randall K. Cooper High School in Union, Kentucky.
James Alex Fields Jr., the 20-year-old OH man police say deliberately accelerated his vehicle into a crowd of counterprotesters on Saturday in Charlottesville, Virginia, killing a young woman, appeared in court on Monday for the first time and was denied bail.
Man accused of ramming auto into Charlottesville protesters is denied bail
"Fields was hired in accordance with appropriate laws and company requirements, and he was issued a security officer license by the State of OH", the company said in an unsigned statement.
"Two days ago, a young American woman, Heather Heyer, was tragically killed". Fields also replied "No, sir" when asked if he had ties to the community of Charlottesville.
Richard Spencer, a leader in the white supremacist movement who coined the term "alt-right", said he didn't know Fields but had been told he was a member of Vanguard America, which bills itself as the "Face of American Fascism".
Born in Charlottesville, the home of the University of Virginia's main campus, Heyer was raised in a nearby town and graduated from William Monroe High School in Stanardsville.
He set 11 a.m. August 25 as the next court date to consider scheduling of a preliminary hearing. Fields was taken into custody soon afterward.
The white nationalist, who on Saturday had attended a rally approaching the Robert E Lee statue dressed in a black combat helmet, flanked by security guards, then fled the courthouse, accompanied by a scrum of reporters.More news: One dead, 7 injured after vehicle plows into pizzeria near Paris
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