Joshua N. Milligan has been with Teknion Data Solutions since 2004 and currently serves as a principal consultant. With a strong background in software development and custom .NET solutions, he brings a blend of analytical and creative thinking to BI solutions, data visualization, and data storytelling.
His years of consulting have given him hands on experience in all aspects of the BI development cycle from data modeling, ETL, enterprise deployment, data visualization, and dashboard design. He has worked with clients in numerous industries including financial, energy, healthcare, marketing, government, and services.
Joshua has been named by Tableau as a Tableau Zen Master every year since 2014. This places Joshua in a group of individuals recognized by Tableau as not only masters of the tool but also who have a deep desire to teach and help others. As a Tableau Ambassador, trainer, mentor, and leader in the online Tableau community, Joshua is passionate about helping others gain insights from their data.
He frequently broadcasts webinars to educate and inform the Tableau community and the world at large about the wonders of Tableau and is a much sought after featured speaker at Tableau conferences, user groups, and various technology and industry functions. He thrives on helping others.
Joshua is the author of the first edition of Learning Tableau, which quickly became one of the highest acclaimed Tableau books for users at all levels. He was a technical reviewer of the Tableau Data Visualization Cookbook, Creating Data Stories with Tableau Public, and his work has been featured multiple times on Tableau Public’s Viz of the Day and Tableau’s website. He also shares frequent Tableau tips, tricks, and advice along with a variety of dashboards on his fun and creative blog site, VizPainter. You can follow Joshua on Twitter at @VizPainter.
Donabel Santos is a self-confessed data geek. She loves working with data, writing queries, and developing reports on her SQL Server databases, and exploring and visualizing data with Tableau. She is the principal and senior business intelligence architect at QueryWorks Solutions, a Tableau Learning and Alliance partner in Vancouver, BC, Canada, providing consulting and training services. She has spent years in consulting and has developed a variety of solutions for clients in different verticals—finance, manufacturing, healthcare, legal, higher education, and local government. Donabel is a multi-year Microsoft Data Platform MVP (previously known as SQL Server MVP) and has extensive experience in the SQL server in different areas, such as development, administration, data warehouse, reporting (SSRS), tuning, troubleshooting, XML, CLR, and integration with ERPs and CRMs using PowerShell, C#, SSIS, and Power BI. One of Donabel's passions is teaching and sharing her love for data. She is a Tableau Certified Professional and a Tableau accredited trainer, delivering Tableau public and on-site client training. She is also the lead instructor for a number of courses at British Columbia Institute of Technology (BCIT), including Applied Database Administration and Design (ADAD) and Applied Data Analytics (ADA) programs. She teaches SQL server administration, development, integration (SSIS), data warehouse foundations, and visual analytics with Tableau. Donabel has also authored three other books with Packt: SQL Server 2012 with PowerShell V3 Cookbook, PowerShell for SQL Server Essentials, and SQL Server 2014 with PowerShell V5 Cookbook. She also contributed a chapter to PowerShell Deep Dives by Manning Publications..