t
tonibrussa

Toni B.

@tonibrussa

Data analyst: dashboards, SQL, Python and backtest audits

United States
English, Spanish
About me
I'm Toni B., Director of Analytics at a Fortune 500 company, with 15+ years in data. I build Power BI, Tableau and Looker Studio dashboards, SQL data models, Python pipelines and automated Excel / Google Sheets reports. Bilingual: English and Spanish. I also run Strategy Truth, where I test trading strategies honestly, so I can audit your backtest (review only: no trade recommendations, no account access, no ongoing advice). Fixed scope, clear dates, you own the code. I use software tools and AI assistance and review all delivered work myself.... Read more

Skills

t
tonibrussa
Toni B.
Offline • 

See my services

Trading Bots Development
I will audit your trading strategy backtest with an honest verified verdict
From$100 / projectMore details
Data Dashboards
I will build your python analytics dashboard or data pipeline
From$60 / projectMore details

Work experience

Substack

Founder & Head of Research

Substack • Self-employed

Oct 2026 - Present • 0 mos

Independent research publication that tests widely followed trading strategies and publishes every result, positive or negative. The hypothesis, rules and pass/fail bar are fixed before any data is examined; results use real historical prices and explicit trading costs, re-run at double the cost. Built on 15+ years in data and analytics.