Danie Harmse was an active administrator for Pretoria Wireless Usergroup, a non-profit open wireless network in Pretoria, South Africa, from 2009 to 2015. As an administrator, he helped set up hardware like Mikrotik and Ubiquity routers, configured routing protocols like BGP and OSPF, provided user support, maintained equipment on towers, and ran game and file servers. The letter writer, a co-founder and administrator of the network, states that Danie was an asset to the organization and that his skills would benefit any IT organization.