OpenStreetMap related involvement:

Associate Member: OpenStreetMap Foundation

Coordinator: YouthMappers at Eastern University, Bangladesh

Contributor: OpenStreetMap

Contributor: Humanitarian OpenStreetMap Team HOT

Contributor: Mapillary

Contributor: Missing Maps

Member: CrisisMappers

OSM-related accounts:
OSM help
OSM forum
mapillary OSM Wiki HOTOSM
Translatewiki (for the OSM site)
Transifex (translate iD)
github