portfolio-details2.html Portfolio Details

Portfolio Details

Project information

  • Category: Tax Auditor
  • Employer: São Paulo State Treasury Department / University of São Paulo (USP)
  • Project date: August 2006 – October 2024
  • Challenge: Ensure compliance with tax regulations and maximize revenue collection through audits and investigations of ICMS (Value Added Tax in São Paulo), Inheritance Tax, and Vehicle Tax. Over 18 years, my role evolved from field auditing to advisory and leadership support, requiring both technical expertise and strategic oversight.

Tax Auditor

Approach:

Throughout my career, I played a key role in multiple facets of tax auditing:
  • Direct Tax Audits: Conducted on-site inspections at businesses to verify ICMS compliance, detect irregularities, and recover unpaid taxes.
  • Data-Driven Investigations: Leveraged advanced data analysis to identify anomalies, detect fraud, and enhance audit efficiency.
  • Leadership and Advisory Roles: Assisted tax department leadership, provided technical guidance, and temporarily replaced senior officials during leave periods.
  • Policy and Compliance Support: Assisted in shaping tax enforcement strategies, contributing to the refinement of audit methodologies.
  • My extensive experience across field audits, leadership support, and data-driven investigations enabled me to develop a holistic approach to tax compliance enforcement.

    Results:

  • Enhanced Tax Recovery through efficient audits and investigative techniques.
  • Improved Compliance Rates by detecting and addressing irregularities proactively.
  • Optimized Audit Processes through data-driven risk assessment strategies.
  • Strengthened Leadership and Collaboration by supporting and advising senior officials.


  • This long-term experience not only sharpened my technical expertise in tax auditing but also reinforced my ability to lead, adapt, and innovate in a highly regulated environment.

    About São Paulo State Treasury Department

    The São Paulo State Department of Treasury (SEFAZ-SP) oversees US$ 55 billion in annual taxpayer revenue, making it the top ICMS (comparable to the GST) revenue collector among Brazilian states.
    With around 8,000 employees, SEFAZ-SP combines modern public management practices with advanced technologies to provide high-quality services both in-person and online.
    Its operations span the entire state, with 18 regional tax units, numerous tax posts, and service centers in all 645 municipalities.