Berg was the executive director of the Florida Justice Institute, a public interest law firm in Miami which he established in 1978. He has conducted and been involved in numerous individual and class action lawsuits that strive to improve conditions in Florida's prison and jails.[2][3][4] He was chairman of the Corrections Committee of The Florida Bar, and president of the ACLU of Florida. He served on Florida Governor Chiles' Transition Criminal Justice Task Force, and several legislative committees dealing with criminal justice and corrections issues. He has been an adjunct professor of law at the University of Miami School of Law, and directs the Volunteer Lawyers' Project for the U.S. District Court for Florida's Southern District.[5] He worked to develop the United States' first Interest on Lawyers’ Trust Account (IOLTA) program in Florida, and then assisted in establishing IOLTA programs nationwide and defending its constitutionality as the executive director of the National IOLTA Clearinghouse. IOLTA has created over $5 billion nationwide to primarily fund legal services for the poor [6]
In November 2018, he and FJI were named to the Daily Business Review's 2018 Most Effective Lawyers list for their public interest work in securing treatment for prisoners infected with hepatitis C.[7]
Berg retired at the end of 2018, two years after initially being diagnosed with ALS. He was proud of the 40 years of work fighting "for the rights of the downtrodden, disabled, disenfranchised and even the despised."[8]
On April 10, 2019, the Florida Justice Institute announced that Berg had died from complications of ALS.[9][10]
On June 8, 2023, Jacksonville University established the Randall C. Berg Jr. College of Law Deanship. This endowed deanship was given in honor of Randall by his brother Gilchrist Berg.[11]
