Yelena Kozlova is a seasoned product marketing leader with over a decade of experience driving revenue growth and customer lifetime value for complex, regulated products. Most recently at Guideline, she led initiatives that delivered 350% ARR growth in three years by scaling efficient acquisition strategies, launching three new products, and building thriving product, partner, and customer marketing teams. Previously, Yelena led Product Marketing and Brand at Lumosity, where she rebuilt messaging to align with FTC compliance while driving engagement for more than 100M registered users and achieving 70% subscriber renewals. She has also built and scaled PMM functions at Lumosity, Guideline, and Nickelodeon’s Shockwave. Known for her deep customer empathy, revenue-driven mindset, and cross-functional leadership, Yelena excels at translating complex products into compelling stories that resonate with customers and accelerate growth. Her foundation in marketing was shaped at LucasArts and Nickelodeon, where she worked on globally recognized, culturally defining brands.