The PolicyViz Podcast

Welcome to the final episode of Season #12 of the PolicyViz Podcast! Thanks so much for checking out the show this season and I hope you enjoy your summer. I’ll be back this fall with more great episodes. On this episode of the show, I’m joined by David Aerne, a freelance developer and designer based in Zurich who has spent years building a remarkable collection of open-source color tools. We dig...

Welcome back to the show! In this week’s episode, I chat with Christian Martinez, a faculty member at Brooklyn College and several other CUNY schools, and Shannon Joyce, a newly minted master’s graduate in psychological research—who, as we note at the top, literally graduated the day before we recorded. Christian shares how he redesigned his graduate stats and R course around NYC Open Data, buildi...

Episode #310! This week I sit down with Jennifer Roscoe and Shrishti Vaish, two of the key organizers behind Outlier 2026, the annual data visualization conference hosted by the Data Visualization Society. We talked about what it takes to pull off a fully virtual, global conference, and why going virtual this year was a strategic choice, not a compromise. Jennifer and Shrishti walked me through th...

I talk with Ramon Perez, Executive Director of the Digital Democracy Project this week. DDP is a nonpartisan nonprofit using secure mobile voting technology to give citizens a real-time voice in legislation. Ramon explains how the platform lets verified, registered voters weigh in on bills being debated in Congress and their state house—and then scores legislators on how closely their votes match...

Welcome back to the show! This week, I sit down with three co-authors of the Atlas of Macroscopes—Katy Borner, Elizabeth Record, and Todd Theriault from the Cyberinfrastructure for Network Science Center at Indiana University—to explore what a macroscope actually is and how it differs from a standard interactive visualization. We trace the 20-year journey of the Places and Spaces: Mapping Science...

In this episode, I sat down with Jen Ray and Jason Forrest—the married duo behind Data Vandals—to talk about their remarkable approach to bringing data visualization off the screen and into the physical world. What started as a pandemic-era poster campaign in New York City evolved into street theater, interactive gallery installations, and a Piaggio Ape three-wheeler touring London with opinion su...

In this episode, I chat with Don Moynihan, professor of public policy at the University of Michigan and author of the widely-read Substack newsletter Can We Still Govern? Don’s research focuses on administrative burdens—the learning, compliance, and psychological costs people experience when interacting with government—and how those frictions shape public trust. We talk about the data challenges i...

In this week’s episode, I talk with Melanie Tory, Professor of the Practice at Northeastern University, about how people actually use dashboards in the real world — and why that use often looks very different from what designers intend. Her research reveals that dashboards frequently serve as a starting point for accessing data rather than tools for answering questions directly, with many users si...

In this week’s episode of the PolicyViz Podcast, I chat with Michael Gethers, former Head of Data & Strategy for the McLaren IndyCar team, about how a personal side project analyzing IndyCar timing PDFs turned into a job building real-time data tools for a professional race team. We dig into what it’s like to design data products for engineers, strategists, and drivers who need to understand i...

In this episode, I talk with Nick Hart, President and CEO of the Data Foundation, about the rapidly changing landscape of federal data, statistical agencies, and evidence-based policymaking. We explore how the Evidence Act reshaped government data infrastructure, why privacy protections and data governance matter more than ever, and what’s been happening behind the scenes over the last year as age...

In this episode, I talk with Amanda Makulec about what it really takes to design dashboards and data products that people can understand and use. We dig into why so many dashboards fail, how designers and analysts often misjudge their audiences, and what it means to take a truly human-centered approach to data visualization. Amanda shares insights from her work leading the Data Visualization Socie...

In this episode, I talk with Denice Ross about the fragile state of federal data and her new work at DataIndex. We discuss how the removal, alteration, or disruption of federal data collections and data products affects research, policymaking, businesses, and everyday life. Denice explains the vision behind DataIndex and EssentialData, which monitor data risks, highlight data dependencies, and hel...

In this episode, I’m joined by Cole Nussbaumer Knaflic and Mike Cisneros from Storytelling with Data to talk about their new book, Before & After . We dig into where the examples came from, how they selected and refined real client work, and why the book focuses so heavily on process rather than rules or templates. We also reflect on how the data visualization field has evolved over the past d...

In this episode, I sit down with Bill Rankin, historian of science at Yale and author of Radical Cartography , to unpack what maps really do beyond simply showing data. We talk about why mapping is an act of representation with real consequences, how common techniques like choropleths and cartograms shape what we see—and what we miss—and why there’s no single “correct” way to visualize the world....

This is the final episode of 2026! I hope you have enjoyed the show this year and also hope you have a great holiday season and happy new year. In this episode, I sit down with former Census Bureau Director Rob Santos to talk about the state of federal statistics, what’s threatening the quality and independence of federal data, and why surveys like the American Community Survey and decennial censu...

In this episode, I’m thrilled to welcome back Duncan Clark from Flourish and Canva to talk about the incredible evolution of both tools over the past few years. We dig into how the Flourish and Canva teams have grown, how they now collaborate, and what that means for users who care about data visualization, storytelling, and workflow. Duncan walks through major updates—including the new Start With...

In this episode, I sit down with Alvitta Ottley and Paul Parsons to recap everything that happened at the 2025 IEEE VIS Conference in Vienna. We talk about our experiences co-organizing the VisCom workshop, the surprising attendance, and the standout keynote from Moritz Stefaner. Alvitta shares insights on accessibility research and the surge of LLM-focused visualization papers, while Paul walks u...

In this episode, I sit down with Nadieh Bremer to talk about her new book, Chart, and the creative process behind her data visualization work. We discuss how she structures the book around a spectrum from straightforward charts to full-on data art, and why uncommon chart types can communicate nuance so effectively. Nadieh shares insights from her time in a makerspace, how physical-making influence...

In this week’s episode, I talk with Chris Parmer, co-founder of Plotly, about how the company is integrating AI into the next generation of data visualization and analytics tools. Chris walks me through the thinking behind Plotly Studio, their new AI-native environment where natural language prompts generate real, auditable code for charts, dashboards, and data apps. We discuss how this approach r...

In this week’s episode, I welcome Jakub Wabiński and Vincent van Altena to the show to talk about their new book, Tactile Mapping . We explore how tactile and multisensory design can make maps—and data—more accessible for people with visual impairments and beyond. Jakub and Vincent share insights into how tactile maps are designed, tested, and used in real-world settings like museums and public sp...

Welcome back to the show! In this week’s episode, I chat with Allen Carroll , former Chief Cartographer at National Geographic and part of Esri’s StoryMaps team. We talk about his new book, Telling Stories with Maps , which explores how maps can communicate meaning, emotion, and narrative. Allen shares his journey from analog map design to interactive, multimedia storytelling—and how digital tools...

Welcome back to the show! In this week's episode, I sit down with Doug Elmendorf, former director of the Congressional Budget Office, to talk about the impact of government shutdowns, the challenges of fiscal sustainability, and the importance of independent statistical agencies. We discuss how shutdowns ripple through the economy and people’s lives, the tough choices facing policymakers on entitl...

In this week's episode of the show, I sit down with Justin Evans, author of The Little Book of Data , to talk about what it means to truly think like a data person. Justin shares insights from his 20-year career in data and advertising, reflecting on why so many professionals struggle to embrace data and how his book helps break down those barriers. We discuss the “four layers of data denial,” the...

In this episode of the show, I talk with David Wessel from the Brookings Institution about the state of the US economy, the reliability of government statistics, and why trust in data matters more than ever. We cover the latest job numbers and what downward revisions mean, the pressures facing agencies like the Bureau of Labor Statistics and Census Bureau, and how politics threatens the credibilit...

In this episode, I sit down with William Beach, former Commissioner of the Bureau of Labor Statistics, to dig into how America’s most important economic data are produced. We talk about the nuts and bolts of how the BLS jobs numbers are collected, processed, and released, as well as why revisions happen and what they really mean. Bill shares his perspective on the commissioner’s role, the challeng...