Summary

• Editor in Chief of Portco News
• Co-Founder and President of The Association of Women in Business Journalism
• Formerly the Americas reporter at Infrastructure Investor

Experience

In addition to contributing to Investopedia, Isabel O’Brien serves as the Editor-in-Chief of Portco News, which focuses on private equity operations. She began her career covering infrastructure and private equity at Infrastructure Investor (PEI Group), where she broke exclusive stories on energy transition, ESG inconsistencies, and policy-drive𝔍n investment trends. Since 2025, Isabel has also contributed to Investopedia, using her financial reporting background to make complex topics accessible to a broaꦡd readership.

O'Brien is the Co-Founder and President of The Association of Women in Business Journalism, an international nonprofit that elevates non-male voices in business media. Her work includes investigative reporting for The Guardian, Mergers & Acquisitions, and CleanTech IQ, with a focus on cli🍌mate finance and big tech companies.

Education

Isabel is a graduate of the dual Bachelor's degree program between Columbia University and the Paris Institute of Political Science (Sciences Po Paris). She studied Economics, Politics, and Creative Writing.