Kasia Gasiewska-Holc Bio Kasia is a Marketing Data Analyst at Refinitiv. At work, she’s responsible for building actionable and insightful Tableau dashboards for a variety of teams across the business, with a strong focus on analyzing marketing data. After work, she’s also a wedding stationery designer and an avid calligrapher. She tries to combine her […]

Readers: A few weeks ago, I presented at the Tableau Fringe Festival EMEA about how Abraham Lincoln used the 1861 U.S. Coast Survey Map to help him understand slavery in the United States. This map, produced by the US Coast Survey in 1861, drew on census reports from 1860 – the last year that the US government collected census data […]