Millie is a talented writer, captivating speaker, passionate activist, and the visionary founder of Sober Girl Society. In February 2018, Millie made the courageous decision to give up alcohol, as years of excessive partying and the subsequent hangovers had started to negatively impact her mental well-being. This pivotal moment inspired her to create Sober Girl Society, an inclusive online and real-life community dedicated to empowering women who choose not to drink alcohol. Since its inception, Sober Girl Society has flourished into a robust community of 80,000 strong individuals. Among its devoted followers are renowned figures such as Florence Welch, Sam Smith, Zoe Ball, and Christina Perri. Millie's passion for her cause is evident through her hosting of SGS's signature events, including boozeless brunches and invigorating sober sweat classes held nationwide. Beyond these events, Millie actively collaborates with various organizations, including universities, to promote sober curiosity and dismantle the notion that an alcohol-free lifestyle is dull. Through her work, she strives to spread the powerful message that choosing sobriety can lead to a vibrant and fulfilling existence. Millie's journey exemplifies resilience and determination, as she transforms personal struggles into a platform for positive change. Her multifaceted approach, combining her writing, speaking engagements, activism, and the creation of Sober Girl Society, has made a profound impact on countless lives.