--- title: KNOW WASTE | Insights | Kate Stubbs and Riaan Graham description: "Kate Stubbs joined Interwaste Holdings in July 2017 as the Group Sales and Marketing Executive, prior to which she worked both locally and internationally. Over the last 15 years, she worked in the Logistics and Supply Chain Management Industry for Barloworld Logistics, where she held various positions in the Marketing, Sales, and Operations Teams. In her current role, she oversees the Marketing and Sales activities for Interwaste across the Group. Kate is driven by her passion to make connections between people, ideas, and concepts come alive. She has a degree in Business Management, and her areas of specialisation include: Marketing, Strategy, Business Development, Client Services, and Corporate Communication.\n\nRiaan Graham is the Sales Director at Ruckus Networks sub-Sahara Africa, a position he assumed in 2015. He has a strong focused on Broadband Wireless Access technologies as his field of speciality since 1999. He has worked in the telecommunications field in Africa for 20 years with in dept knowledge of the MNO and telco markets in East, West and Southern Africa. He studied at Pretoria Technicon were he obtained his qualification in Industrial and Engineering. His passion for the telecommunications industry is evident through his wealth of knowledge and experience, as well as his commitment to driving African solutions that enhance our way of life." --- - [Careers](http://www.interwaste.co.za/careers) - [Customer Login](https://customer.interwaste.co.za/Home/Logon?ReturnUrl=%2f) - +27 11 323 7300 - [![linkedin-logo](https://blog.interwaste.co.za/hubfs/linkedin-in-brands-white.svg)](https://www.linkedin.com/company/interwaste-holdings-limited/) - [![youtube-logo](https://blog.interwaste.co.za/hubfs/youtube-brands-1.svg)](https://www.youtube.com/channel/UCY-cwa2qzFebOvJMUX2B0BA) - [![search-loop-logo](https://blog.interwaste.co.za/hs-fs/hubfs/Secondary%20Cricle%20Button.png?width=15&name=Secondary%20Cricle%20Button.png)](https://blog.interwaste.co.za/hs-search-results) [![new-logo-1](https://blog.interwaste.co.za/hs-fs/hubfs/new-logo-1.png?width=200&height=46&name=new-logo-1.png "new-logo-1")](https://blog.interwaste.co.za/) ![hamburger](https://blog.interwaste.co.za/hubfs/hamburger.svg) - [Waste Solutions](http://www.interwaste.co.za/waste-solutions) - [Waste Streams](http://www.interwaste.co.za/waste-streams) - [Facilities](http://www.interwaste.co.za/facilities) - [Innovation](http://www.interwaste.co.za/innovations) - [Insights](https://blog.interwaste.co.za/know-waste) - [About](http://www.interwaste.co.za/about-us) - [Contact](http://www.interwaste.co.za/contact) [biodiversity](https://blog.interwaste.co.za/know-waste/tag/biodiversity) , [zero-waste](https://blog.interwaste.co.za/know-waste/tag/zero-waste) , [a-time-of-waste](https://blog.interwaste.co.za/know-waste/tag/a-time-of-waste) # [Planting the Seeds of Tomorrow](https://blog.interwaste.co.za/know-waste/planting-the-seeds-of-tomorrow) [Read More](https://blog.interwaste.co.za/know-waste/planting-the-seeds-of-tomorrow) - [Sustainability](https://blog.interwaste.co.za/know-waste/tag/sustainability) - [Biodiversity](https://blog.interwaste.co.za/know-waste/tag/biodiversity) - [Circular Economy](https://blog.interwaste.co.za/know-waste/tag/circular-economy) - [Ethics in Waste Management](https://blog.interwaste.co.za/know-waste/tag/ethics-in-waste-management) - [Innovation](https://blog.interwaste.co.za/know-waste/tag/innovation) - [News](https://blog.interwaste.co.za/know-waste/tag/news) - [Waste Solutions](https://blog.interwaste.co.za/know-waste/tag/waste-solutions) - [Recycling](https://blog.interwaste.co.za/know-waste/tag/recycling) [![Powerlines ](https://blog.interwaste.co.za/hubfs/Blog%20Header_October.png)](https://blog.interwaste.co.za/know-waste/pioneering-a-greener-future-for-south-africas-energy-crisis) [Read More](https://blog.interwaste.co.za/know-waste/pioneering-a-greener-future-for-south-africas-energy-crisis) [Corporate SA](https://blog.interwaste.co.za/know-waste/tag/corporate-sa), [Waste to Energy](https://blog.interwaste.co.za/know-waste/tag/waste-to-energy), [decarbonisation](https://blog.interwaste.co.za/know-waste/tag/decarbonisation) Corporate SA, Waste to Energy, decarbonisation [Pioneering a Greener Future for South Africa's Energy Crisis](https://blog.interwaste.co.za/know-waste/pioneering-a-greener-future-for-south-africas-energy-crisis) South Africa finds itself at a crossroads, grappling with an ever-worsening energy... [By Kate Stubbs and Riaan Graham](https://blog.interwaste.co.za/know-waste/author/kate-stubbs-and-riaan-graham) Innovation [Energy sector must embrace innovation](https://blog.interwaste.co.za/know-waste/energy-sector-must-embrace-innovation) South Africa is experiencing an energy crisis that requires the public and private... [By Kate Stubbs and Riaan Graham](https://blog.interwaste.co.za/know-waste/author/kate-stubbs-and-riaan-graham) - [Pre](https://blog.interwaste.co.za/know-waste/author/kate-stubbs-and-riaan-graham/page/0) - [Next](https://blog.interwaste.co.za/know-waste/author/kate-stubbs-and-riaan-graham/page/0) ### Subscribe here! ### Recent Posts ### Posts by tag - [Sustainability (53)](https://blog.interwaste.co.za/know-waste/tag/sustainability) - [Biodiversity (24)](https://blog.interwaste.co.za/know-waste/tag/biodiversity) - [Circular Economy (22)](https://blog.interwaste.co.za/know-waste/tag/circular-economy) - [Ethics in Waste Management (21)](https://blog.interwaste.co.za/know-waste/tag/ethics-in-waste-management) - [Innovation (14)](https://blog.interwaste.co.za/know-waste/tag/innovation) - [News (14)](https://blog.interwaste.co.za/know-waste/tag/news) - [Waste Solutions (13)](https://blog.interwaste.co.za/know-waste/tag/waste-solutions) - [Recycling (11)](https://blog.interwaste.co.za/know-waste/tag/recycling) - 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