

Elena Levi
Director of Product at Voyantis
Tel Aviv, Israel
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Elena is a data-driven Director of Product at Voyantis, with a powerful track record of leading AI and machine learning products to success. Over her 15-year career, including 8 years dedicated to this field, she has honed the skill of taking products from a raw idea to a market-leading solution. She brings a rare blend of technical expertise and business acumen to her work, a skillset she built on her B.A. in Management with a specialization in Computer Science. Driven to give back, Elena is a dedicated mentor to product professionals and a fierce advocate for women in tech.
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The Unspoken Challenges of A/B Testing
A successful A/B test is a data-driven person's dream, a clear sign that a product is headed in the right direction. But getting there is about more than just solid methodology. It's about navigating the real-world challenges that often go unspoken. After 15 years in the field, I've seen firsthand how these hidden obstacles can derail even the most promising experiments.
In this talk, I'll share the less-discussed challenges I've personally encountered in A/B testing and provide practical tips to overcome them. We'll go beyond statistical significance to cover issues like dealing with noisy data, managing stakeholder expectations, and ensuring a test's integrity from start to finish. Join me to learn how to prepare for and conquer the hidden challenges that can make or break your A/B tests, so you can steer your product with confidence.
Don't Panic! A Builder's Guide to the Product Galaxy
With vibe coding and the rise of side hustles, many of us have become accidental (or deliberate) product managers. You're creating, but are you creating with purpose? This session is your crash course in product thinking, designed for builders who are now making product decisions. I'll share my path – from the data side of the fence, observing countless product initiatives, to finally stepping into the PM world, a transition I know many of you are experiencing.
We'll cut through the fluff and focus on the core pitfalls to avoid. We're talking about the danger of thinking you know it all, rushing to solutions, not validating ideas with users, ignoring the business model and user journey, and treating marketing as an afterthought. We'll also explore the distinct ways you guide human developers compared to working with AI tools, all while keeping the speed of "vibe coding" in mind. Let's make your building efforts truly impactful.
Data-Driven Growth: A Framework for Objective Career Progression and alignment
Traditional performance reviews often fail to provide clear expectations, foster growth, and ensure objective career progression for data professionals. This talk introduces a novel data-driven framework developed and implemented at AppsFlyer to address these challenges.
In this talk, I will share the process I took with my employees to set expectations, align on their goals, and provide clear tracks to align them and me and to align to the organization's expectations and promotions.
I will share why I think this method works, where many others fail, explain the needed steps with examples, and hopefully encourage you to do the same thing, both with your employees and with your managers
Why You Can't Finish Your Coffee: How Cognitive Biases Affect Your Day-to-Day Product Work
We all aim to make data-driven decisions, but what if your own mind is getting in the way? As product managers, our pursuit of objective data is constantly being undermined by cognitive biases—those subtle, unseen mental shortcuts that lead us to rely on assumptions instead of evidence. This isn't just a bug in one team; it's a universal problem that affects every aspect of our day, from our strategic planning to our coffee breaks.
In this talk, we'll expose the most prominent cognitive biases that plague product teams. We’ll provide a practical toolkit of mitigation strategies and show you how to apply them across different stakeholders—from Sales and Marketing to Engineering and Support. You'll learn to identify the biases that interrupt your flow, cloud your judgment, and ultimately hinder your product’s success. Leave with actionable insights to not only improve your decision-making but also to finally enjoy that cup of coffee.
Given at ProductX 2019
https://www.youtube.com/watch?v=wUhEO_comI8&t=1s
Charts and Visual Lies
Data visualizations are powerful tools, but when they're done wrong, they can do more damage than good. A poorly chosen chart can be completely useless, or even worse, it can lie and deceive. Picking the right chart type is just the first step. You also have to navigate the data itself with skill and integrity.
In this talk, we'll explore the most common mistakes people make when creating charts and visuals. We'll go beyond the basics of chart selection to show you how to avoid visual lies and create visualizations that are both compelling and truthful. Learn what it truly takes to transform your data into a clear, honest, and impactful story.
Given several times, here is an older version for inspiration
https://youtu.be/WefWbNtMVp4?si=IaTtv3R1XUXsjQSE

Elena Levi
Director of Product at Voyantis
Tel Aviv, Israel
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