MVP SharePoint / Office Apps & Services (2010-2019), Senior instructor at MAX Technical Training, Computer professional (computer nut) since 1980, Speaker at SharePoint and PowerShell events and user groups.
Courseware author and book author: "SharePoint Calculated Columns and Validation Formulas" ("Everything you need to know on SharePoint formulas for SharePoint 2010 to 2016 and SharePoint Online / Office 365"), "SharePoint 2007 & 2010 Customization for the Site Owner", "SharePoint 2010 Security for Site Owners".