# Chausse.org > Portfolio of Jeff Chausse — a Boston-based design engineering leader combining 15+ years of product design and management with AI-powered creation tools. Chausse.org is the personal portfolio site of Jeff Chausse. It showcases professional case studies from his design leadership roles at Forrester, Quickbase, Harmonix, and Skillcraft, along with solo AI-assisted projects. The site is built with a modern TanStack Start + React stack, optimized for SEO, performance, and accessibility. ## Case Studies - [Forrester: Reimagining the client portal & mobile](/case-study/forrester): Modernizing Forrester's flagship client portal and launching their first native mobile research apps—tripling weekly active users. - [Quickbase: Leading design transformation](/case-study/quickbase): Modernizing a 20-year-old SaaS platform through design system creation, navigation overhaul, and forms redesign. - [Harmonix: Leading the web team](/case-study/harmonix): Building the web team and digital presence behind Rock Band and Beatles: Rock Band. - [Skillcraft: AI-enhanced assessment authoring](/case-study/skillcraft): Designing an AI-accelerated authoring platform that removed the founder bottleneck at a bootstrapped skill assessment startup. ## Solo Projects - [Sympheo: A classical music appreciation app](/solo/sympheo): A 90-lesson classical music app built solo with AI-assisted tools, then deliberately shelved. - [Trésora (V1): A collection management app](/solo/tresora-v1): A personal collection management app for collectors of art, antiques, and treasured objects. ## Optional - [Design System](/design-system): Internal design system documentation—color tokens, typography, and component usage. - [Portfolio Content Export](/export-content): Plain-text export of the site's complete content for AI ingestion.