Bonner graduated in Mass Communications with emphasis in Advertising and Publicity from the
School of Arts and Communication,
University of São Paulo (ECA-USP) and began his professional career in advertising in 1983. In 1985, he started working at Radio USPFM and was eventually hired as announcer and television host on
TV Bandeirantes until June 1986. He then moved to
Rede Globo, assigned as editor and presenter of
SPTV, a São Paulo local news program and, later, host of
Fantástico. Upon moving to
Rio the following year, he was the main newscaster of
Jornal da Globo between 1989 and 1992 alongside
Fátima Bernardes and, between 1994 and 1996, editor-in-chief and newscaster of
Jornal Hoje. on
Jornal Nacional in August 2018, during an interview with politician
Marina Silva, then a candidate for president of Brazil ==Personal life==