Authors & Technical Reviewers

Every knowledge base article is written by a domain specialist and technically reviewed before publication. Our editors bring real project experience across architecture, structural engineering, manufacturing, and infrastructure.

Mark Chen, PE

Senior BIM & Structural Engineering Editor

Licensed PE (Structural) 15+ years BIM coordination ISO 19650 Lead

Leads Gstarcademy's BIM, Revit, and structural engineering content. Mark has coordinated BIM on 40+ commercial projects (hospitals, high-rises, data centers) and holds a PE license in structural engineering. His editorial focus includes clash detection workflows, LOD specifications, IFC interoperability, and analytical model export.

Domains: Revit, Navisworks, Tekla Structures, Robot Structural Analysis, IFC/COBie, ISO 19650

Sarah Liu, CSWE

MCAD & Manufacturing Editor

Certified SOLIDWORKS Expert 12+ years product development DFM/DFA specialist

Sarah oversees all mechanical CAD, simulation, and manufacturing content. With CSWE certification and over a decade of product development experience in consumer electronics and automotive components, she brings hands-on expertise in parametric modeling, FEA validation, sheet metal design, and tolerance stack-up analysis.

Domains: SOLIDWORKS, CATIA, Siemens NX, Inventor, Fusion 360, GD&T (ASME Y14.5), FEA/CFD

David Park, ACP

Civil & Infrastructure Editor

Autodesk Certified Professional 10+ years civil design LandXML/IFC specialist

David leads civil infrastructure, road design, and site grading content. His project portfolio includes highway interchanges, residential subdivisions, and stormwater management systems. He specializes in corridor modeling, pipe network design, and machine control data preparation for construction.

Domains: Civil 3D, InfraWorks, MicroStation OpenRoads, 12d Model, LandXML, AASHTO standards

Alex Wang

2D CAD & Drafting Standards Editor

GstarCAD & AutoCAD specialist 8+ years drafting production ISO 128 / ASME Y14 standards

Alex maintains content on 2D drafting workflows, AutoLISP automation, dynamic blocks, and drawing standards compliance. With extensive production drafting experience across architectural, mechanical, and electrical disciplines, he focuses on practical productivity tips, template management, and cross-platform DWG compatibility.

Domains: AutoCAD, GstarCAD, BricsCAD, ZWCAD, DraftSight, AutoLISP, .NET API, Plot Styles (CTB/STB)

Nina Petrova

Visualization & Rendering Editor

V-Ray Certified Professional 9+ years arch-viz Color science & ACES

Nina covers architectural visualization, rendering technology, and real-time engines. Her background spans high-end residential arch-viz, automotive product rendering, and VR walkthroughs for commercial developments. She brings deep expertise in PBR materials, HDRI lighting, compositing workflows, and color management pipelines.

Domains: V-Ray, Corona Renderer, Enscape, Twinmotion, Unreal Engine, 3ds Max, SketchUp, Blender Cycles

Editorial Independence

All authors maintain full editorial independence. Content decisions—including software coverage, comparative assessments, and workflow recommendations—are based solely on technical merit and user needs, not vendor relationships or advertising considerations.

Our review process is detailed in the Editorial Process page. For corrections or technical disputes, please use our contact form.