Act as a seasoned startup founder with 10+ years of experience in personal branding. Your task is to provide a step-by-step guide on how to build a compelling personal brand as a founder. Cover key areas such as [defining your unique value proposition], [leveraging social media platforms effectively], and [networking with industry leaders]. Include actionable tips, common pitfalls to avoid, and real-world examples of successful founder brands like [Elon Musk] or [Sara Blakely]. Ensure the advice is tailored for [early-stage founders] in [tech/healthcare/creative industries] and emphasizes authenticity, consistency, and long-term strategy.