User Defined Functions and Calendars | Jay ter Heerdt

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Jeroen ter Heerdt is a Product Manager with Microsoft.

He works on Power BI and is passionate about "all things data"; whether it is about databases, data warehousing, BI, big data, data visualizations, self-service BI, advanced analytics, real-time BI or anything even remotely related to data or insight.

He strives to apply these concepts in his life as much as possible. Jeroen combines enthusiasm, vision, and hands-on experience into his talks. His blog is http://www.dutchdatadude.com and he can be found on social media at @jaypowerbi.