[1] An orthopedic physician trained at the School of Medicine and Surgery of Rio de Janeiro, he comes from a family landowners and politicians from Goiás.
He is the grandson of Antonio Ramos Caiado, an oligarch who served as a member of the Chamber of Deputies from 1909 to 1921 and a senator from 1921 to 1930.
Caiado served as chairman of the União Democrática Ruralista in the late eighties (1986-1989), an organization that aims to defend the interests of landowners.
In the October 2018 elections Ronaldo Caiado ran for governor in the state of Goiás, next to his vice-candidate Lincoln Tejota.
[3] On 31 March 2015 the former senator from DEM, Demóstenes Torres, published an article in Goiás' newspaper Folha da Manhã, claiming that Ronaldo Caiado had expenses of the 2002 campaigns, 2006 and 2010 financed by Carlinhos Cachoeira scheme.