The document is a resume for Merajuddin Ansari, who has over 6 years of experience as a piping modeler and designer using SP3D. He currently works as an SP3D Piping Designer for Worleyparsons in Mumbai, where he is responsible for 3D modeling of piping and equipment, modeling supports, resolving errors and clashes, and generating isometric drawings and documents. Prior to his current role, he has worked on offshore projects as a piping designer for other companies.