Our writers

Every calculator and post on QuickUse is written or reviewed by a named human. We disclose pen names openly. We do not use AI-generated headshots that could be mistaken for real people.

Thiago Bertoletti

Founder & Lead Engineer

Engineer building tools that make financial math accessible. Founder of QuickUse Calculator.

QuickUse Editorial — Brasil

Editorial persona

Brazilian Tax & Labor-Law Editorial Team

Internal editorial team that curates Brazilian tax and labor-law content, validated against Receita Federal, INSS, and Ministério do Trabalho.

QuickUse Editorial — US

Editorial persona

US Personal Finance Editorial Team

Internal editorial team that curates US personal-finance content, reviewed against IRS publications, Federal Reserve research, and credentialed secondary sources.