TaxCorner

Gustavo Abath

I am a tax professional dedicated to making federal tax matters more accessible and easier to understand. I believe in accuracy, integrity, and lifelong learning, and I enjoy translating complex tax rules into practical guidance.

TaxCorner reflects my commitment to education, professional excellence, and helping others navigate the ever-changing tax landscape with confidence.

Alexandria, VA

14+

Years of professional experience

7

Academic credentials & certifications

3

Languages spoken fluently

Gustavo Abath
Federal tax Professional
About

Federal Tax Professional | Tax Research, Compliance & Education

I specialize in U.S. federal taxation, with experience analyzing individual, corporate, S corporation, and partnership tax matters. My expertise includes tax compliance, tax law research, financial analysis, tax controversy, and the interpretation of the Internal Revenue Code and Treasury Regulations. Through TaxCorner, I aim to share practical tax insights, educational content, and thoughtful analysis while promoting clarity, accuracy, and informed decision-making.

  • Individual & corporate taxation
  • International tax compliance
  • Tax controversy & resolution
  • IRC & Treasury Regulations
  • Financial & tax return analysis
  • Strategic tax planning
Experience

Career Experience

Tax Compliance & Examination

Federal Tax Professional

2023 – Present

Tax Compliance & Examination

Specialize in the application and interpretation of U.S. federal tax law for individuals and business entities, including corporations, S corporations, and partnerships. Conduct financial analysis, evaluate tax positions, research complex technical issues, and prepare written tax analyses.

Harvard University

Nonresident Alien Tax Compliance Associate

2019 – 2023

Harvard University

Managed U.S. tax compliance for international students, faculty, researchers, and employees. Advised on federal tax regulations, tax treaties, withholding, and reporting requirements.

The World Bank

Financial Operations Specialist

2012 – 2020

The World Bank

Supported financial operations, budgeting, and project administration for international development programs, coordinating financial processes across multidisciplinary teams.

Education

Education Timeline

Earlier

Bachelor of Arts in International Relations

IESB University Center, Brazil

2013

Graduate Certificate in International Relations

University of Brasília (UnB)

2015

Graduate Certificate in Project Management

Georgetown University School of Continuing Studies

2017

Master of Arts in International Development

American University

2021

Graduate Certificate in Accounting

Harvard University Extension School

In progress

Master of Studies in Law (M.S.L.) in Taxation

Georgetown University Law Center

In progress

Certificate in International Taxation

Georgetown University Law Center

Highlights

Results & Achievements

With over 14 years of experience across federal taxation, international compliance, and financial operations, I've served as a Subject Matter Expert in Enterprise Case Management, mentored incoming tax professionals, and presented on complex compliance topics — all while completing multiple graduate credentials and building fluency in three languages.

Subject Matter Expert in Enterprise Case Management (ECM)

Multiple graduate credentials, with a MSL in Taxation. in progress

Mentored newly hired tax professionals

Fluent in English, Portuguese, and Spanish

results & achievements

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