Mureithi Runji
https://postgresconf.org/conferences/SouthAfrica2018/program/proposals/772
PostgreSQL Extension for Geo-Referenced Data
The second South African PostgresConf takes place in Johannesburg on 9 October 2018, with attendees representing a diverse class of professionals and companies from around the country and across the continent. This is an excellent opportunity for the database administration and developer community who use PostgreSQL to get to know each other, exchange ideas and learn about the current features and upcoming trends within PostgreSQL.