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We were built on the premise of excellence, and our founding members are all about that:

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Andiswa Silinga is a co-owner of Gemini GIS and Environmental Services and a seasoned Professional GIS Practitioner with more than 20 years’ experience. She works a lot with mining, construction, energy, infrastructure businesses providing Geospatial solutions that add value to informed and accurate operational decisions using cutting edge technologies.  Andiswa is not deterred by challenges but driven by them. She is a creative by heart always looking for new and best ways to solve problems and overcome challenges. She is thrilled by making a difference in young people’s lives and be able empower and unleash their potential in her own way.


“We will never seize to learn and by having an open mind we can achieve things that we never dreamt of doing”. 

Andiswa Silinga

Our Managing Director


Tankiso Phidza is the co-owner of Gemini GIS and Environmental Services (GGES), a Professional Natural Environmental Scientist (with SACNASP).  Since the inception of her career in 1996, she conducted her work as an Environmental Assessment Practitioner with one goal to protect the environment.  Upon taking the position at GGES, she ensured that the ‘Vision’ carried forward her passion for environmental protection with added enhancement of cutting edge technology to the services offered. She used her experience from Government and the State Owned Enterprise to shape the up-and–coming environmentalists to develop their careers.


She believes that the sky is no longer the limit; with determination and hard work she can achieve more!

Tankiso Phidza

Our Operations Director

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If you're interested in sponsoring us, please send us a message​. We offer various sponsorship opportunities that will help you reach a wider audience
while supporting a great cause.

At Gemini, we believe that sustainability is more than just a buzzword. It's a way of life. We offer consulting services that help our clients make informed decisions that positively impact the environment. Let's work together to create a sustainable future for generations to come.

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