Jimmy Carter (1924-2024) was the 39th president of the United States, serving from 1977 to 1981 during economic challenges, energy shortages, and international crises. His presidency achieved significant diplomatic successes, while his administration also promoted human rights, energy conservation, and environmental protection. After leaving office, Carter became a leading humanitarian through the Carter Center, earning the 2002 Nobel Peace Prize.

Joe Biden (1942-) is an American politician who served as the 46th president of the United States from 2021 to 2025, following 36 years as a U.S. senator from Delaware and eight years as vice president under Barack Obama. His presidency focused on rebuilding the economy after the COVID-19 pandemic, investing in infrastructure and domestic manufacturing, expanding clean-energy programs, strengthening U.S. alliances, while facing controversies over inflation, immigration, Afghanistan, and his age.

Donald Trump (1946-) is an American businessman and television personality who became the 45th and later the 47th president of the United States. His political career transformed the Republican Party and was defined by an “America First” agenda emphasizing immigration restriction, trade protection, deregulation, and a more assertive approach to executive power.

George W. Bush (1946-) was the 43rd President of the United States, serving from 2001 to 2009 during a period defined by the War on Terror. Before becoming president, he worked in the oil industry, and served two terms as governor of Texas. After leaving office, Bush focused on charitable work, veterans' initiatives, global health.

Bill Clinton (1946-) was the 42nd president of the United States, serving from 1993 to 2001 during a period marked by economic growth, declining unemployment, and the end of the Cold War era. A centrist Democrat, he promoted policies including welfare reform, consumer rights, deficit reduction, expanded trade, and economic development while also pursuing an active foreign policy. His presidency was ultimately defined both by its economic successes and by scandal.

Barack Obama (1961-) was the 44th president of the United States serving from 2009 to 2017. Before becoming president, he worked as a civil rights lawyer before entering politics in Illinois and later serving in the U.S. Senate. His presidency was defined by the Affordable Care Act, the response to the Great Recession, continuing the War on Terror, and efforts to address social and environmental issues.