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Warren Shaeffer is a Los Angeles-based entrepreneur and investor currently serving as Vice President of Audio at Medium following the company's acquisition of his audio startup. He previously co-founded and served as Chief Executive Officer of Knowable, an audio learning platform that raised $4 million in seed funding from prominent venture capital investment firms including Andreessen Horowitz and Upfront Ventures before its 2021 exit. Prior to Knowable, Shaeffer co-founded the independent digital video platform Vidme, scaling the community to over 25 million monthly active users and securing $9 million in venture backing. He also brings experience from the traditional finance sector, having started his career in investment banking and private equity before transitioning into the consumer technology industry. Shaeffer's professional background and current focus remain centered on building creator-focused media platforms, consumer social applications, and digital audio experiences.
