Péter Holpár is a .NET architect and developer working at adesso GmbH in Austria. He creates applications using Microsoft technologies in the past sixteen (or more?) years. He is specialized in SharePoint development, having deep hands-on experience with all of the versions beginning with the beta version of SharePoint 2001 (Tahoe) up to the current SharePoint 2013 version.
He regularly writes about his SharePoint experience and other (usually) .NET-related technologies on his blog.