Summer Lee emerged as one of the most progressive voices in Congress after her 2022 election, bringing her background as a community organizer and state legislator to federal office. She made history as the first Black woman to represent Pennsylvania in the House, winning a competitive primary that positioned her among the new generation of Democratic progressives. Lee has been a vocal advocate for environmental justice, workers' rights, and police reform, often aligning with the progressive "Squad" while representing a diverse Pittsburgh-area district that includes both urban and suburban communities.