Arnold Alois Schwarzenegger is an Austrian-American actor, businessman, former professional bodybuilder, and politician, renowned for his iconic roles in action films such as the Terminator series, Conan the Barbarian, and Predator. Born in Thal, Austria, in 1947, Schwarzenegger began bodybuilding at a young age, winning Mr. Universe at 20 and Mr. Olympia five times, establishing himself as one of the greatest bodybuilders in history. After emigrating to the United States in 1968, he pursued acting, debuting in Hercules in New York (1969) under the stage name Arnold Strong, and rose to stardom in the 1980s with blockbuster hits that showcased his muscular physique and charismatic presence. Beyond entertainment, he built a successful business empire in real estate, fitness, and production through companies like Oak Productions and investments in various ventures.

Schwarzenegger entered politics as a Republican, serving as the 38th Governor of California from 2003 to 2011 after winning a recall election against incumbent Gray Davis. His tenure focused on environmental initiatives, infrastructure improvements, and economic reforms, though it faced challenges like budget deficits and criticism over policies such as same-sex marriage opposition before evolving views. Post-governorship, he has continued as an environmental activist, philanthropist, and author, promoting fitness through his newsletter Arnold's Pump Club and advocating for climate action via the Schwarzenegger Institute at USC. He remains a global figure, blending Hollywood fame with public service and business acumen, while maintaining ties to Republican politics despite occasional bipartisan stances.

Personally, Schwarzenegger has been married to Maria Shriver from 1986 to 2021, with whom he has four children, and has a son from an affair with their housekeeper, revealed in 2011, which led to personal and public scrutiny. He is also known for his philanthropy, including support for the Special Olympics and environmental causes, and has authored bestsellers like 'Total Recall: My Unbelievably True Life Story.'