OSGeo Advocates

Joseph (Iosefa) “Sefa” Emile Honour Percival

Joseph (Iosefa) “Sefa” Emile Honour Percival

Postdoctoral Researcher, University of Hawaiʻi at Hilo (SDAV Lab)

Location: Hilo, Hawaiʻi, USA

Sefa contributes to FOSS4G projects and communities around open remote sensing and geospatial analytics, including leadership in pgRouting and development of routing/optimization tooling (e.g., vrpRouting), as well as LiDAR/imagery workflows (PyForestScan) for tropical forest ecology and conservation (Hawaiʻi, Samoa, Madagascar).

OSGeo Experience

• **pgRouting PSC** (Project Steering Committee)
• **vrpRouting** contributor (vehicle routing & optimization)
• pgRouting community contributor & workshop co-leader
• Open geospatial tooling for LiDAR/imagery (PyForestScan)
• FOSS4G participant/speaker; training & capacity-building

Contact

• Email: ipercival@gmail.com
• OSGeo Wiki: Joseph Emile Honour Percival

Spoken Language(s)

English; Japanese (business/teaching); Samoan (conversational)

Profile last updated

29 September 2025