William B. Irvine is an American professor of philosophy and author best known for his accessible works on Stoicism, including A Guide to the Good Life: The Ancient Art of Stoic Joy. His writings bring ancient philosophical wisdom into modern life, offering practical tools for cultivating resilience, tranquility, and meaning in everyday challenges. By blending academic rigor with approachable storytelling, Irvine has become a leading voice in making Stoic philosophy relevant for contemporary readers seeking personal growth and emotional balance.