Dr Pieter Streicher graduated from WITS with a BSc-Eng(Civil) in 1991 and he received his PhD from UCT in 1996. After working as a civil engineer at HHO Africa, Dr Streicher, along with Richard Simpson, (BSc-Eng(Civil), MBA), established Celerity Systems in mid-2000 as an IT services company focusing on
the marketing and management of Internet-based solutions.

BulkSMS.com was established in 2000 as a division of Celerity Systems to focus on SMS messaging solutions for commercial and non-commercial communications.
As a leading wireless application service provider, BulkSMS.com offers bulk SMS messaging solutions to large and small businesses, public benefit organisations, and individuals.