About TSI


TSI is a technology company founded in 1992 with the intention of enabling SME's to integrate technology into their work environment to improve productivity.

TSI is composed of a talented team of professionals with complementary skill sets, knowledge and expertise ready to assist you in getting the most out of your ICT infrastructure from the initial planning during strategy sessions with TSI through to daily operational assistance allowing you to focus on your company's core competence efficiently.

TSI's Values

  • Uncompromising quality
  • Integrity, openness and honesty
  • Perseverance, despite the odds
  • Knowledge transfer and sharing
  • Stimulation and challenge
  • A good sense of humour
  • Teamwork and partnership
  • Long-standing, sincere relationships
  • A 'can make a plan' attitude
  • Using technology to help our clients grow


Your Team at TSI


Michael Brunzlik
As TSI’s founder and managing director, Michael is focused on business management and technical systems architecture, as well as on ensuring TSI’s continued smooth sailing. He is also a multi-faceted leader, with a National Higher Diploma in Electrical Engineering (Light Current), a Toastmasters qualification, a technical writing course behind him. Renowned for his leadership style and for his dynamic hands-on workshops covering computer architecture and support, networking fundamentals, advanced TCP/IP, intrusion detection and prevention systems and IT security. Michael’s 30+ years of experience are behind his vision of providing strategic, skilled IT services with a solid understanding of the underlying technologies driving efficiency.
Neill Rosenthal
At TSI Neill is responsible for systems analysis and software development, while also lending a helping hand with company navigation in the form of marketing. Drawing on his BSc Engineering degree and over 25 years’ experience in the software industry, Neill also heads up the company’s LabInfo LIMS (laboratory information management system) offering. The LabInfo project was started in 2004 and the system is now successfully in use in a variety of laboratories. Neill enjoys the mix of client interaction with hands-on software design and development.
Sheena Brunzlik
Sheena is responsible for the financial management and administration in her role as CFO at TSI. She is available to assist on any item which may need further explanation. If she can’t assist directly then know you are in good hands as she will ensure that your need is met through one of the capable team. She is task orientated and an excellent trouble-shooter. Her ability to organise functional systems and effective methods has resulted in timeous returns, smooth audits and happy suppliers. We are proud to say that TSI has never missed a payment due date and has a perfectly clean track record.

Head Office Address

48 Elnita ave, Northwold, Randburg, South Africa

Phone Number

+27 11 792 1094
+27 10 500 8543

Email Address

General info: info@tsi.co.za
Support: support@tsi.co.za
Sales info: sales@tsi.co.za
Accounts: accounts@tsi.co.za
Webmaster: webmaster@tsi.co.za
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