About Us
Experts Who Stay Involved
At CSS, we are a boutique advisory team dedicated to unlocking capital for
Africa’s sustainable future. Since 2014, we have mobilised over USD 500m for
climate projects by combining deep financial fluency, local
insight, and innovative thinking.
We believe real change happens when strategy meets execution. Our senior
experts stay hands-on throughout every project, ensuring each engagement is
rigorous, relevant, and designed for impact.
Our Team
Megan Sager
Director
Specialist in sustainable finance with 15 years of experience in climate strategies,
transaction structuring, and financial
instruments. MSc in Economics for Development, Oxford
University.
Inge Rist
Engagement Lead
Engineer and Oxford MBA with five years of experience in climate and finance consulting. Leads project delivery at CSS.
James Trotter
Finance & Innovation Lead
Chartered Accountant with more than a decade of senior experience in finance
and ESG reporting functions for sustainable South African SMEs, including at Board
level. Leads financial modelling, integrated reporting and development of novel tools
and solutions.
Colenso Holder
Associate
Associate in sustainable finance instrument
design and transaction advisory. CFA
Level III candidate.
Jason Kelbrick
Associate
Associate specialising in carbon markets and
financial analysis, with experience in climate
finance, project development and due
diligence. Focused on unlocking private
capital to scale high-impact climate solutions.
Chumisa Matiwane
Accountant
Accountant with strong interest in internal
controls and reporting efficiency. Pursuing
SAIPA designation.
Yuvir Naidoo
Researcher
Strengthening our knowledge
base in climate-critical sectors.
Completing an MCom in Economics.
Our Values
Innovative
We create solutions where
traditional finance stalls
Trusted
Our work is credible and client-ready
Collaborative
We co-create with clients and
partners for stronger results
Fair
We balance profit with purpose,
guided by integrity
Trusted minds we call on
André Harms
Electro-mechanical engineer and founder of
a green-building and sustainability
consultancy. A certified
Renewable Energy Professional (AEE), GBCSA faculty/technical advisor, and lecturer at SUMAS (formerly at UCT).
Benno Guenther
Expert in structuring, valuing, and risk-managing large-scale carbon offset
and energy-transition projects, leveraging experience in structured products trading
across energy and environmental markets. Holds a PhD (LSE) focussed on risk-
taking during crises, lecturing financial risk at UCT and other universities.
Andrew Gilder
Leading South African environmental lawyer with nearly twenty-five years in private practice, specialising in climate policy and governance – including drafting legislation and regulation, carbon markets strategy and tax, and contracting in respect of environmental attributes (carbon credits, renewable energy certificates, and others).
Kamleshan Pillay
Climate change specialist with more than a decade of international experience, focused on adaptation finance and climate risk management. He has consulted across Africa, serving leading donors, governments, regional and multilateral initiatives.
Strategic Partners
Our network of partners is a key advantage, representing experts across a range of
disciplines, industries, and geographies. CSS regularly collaborates with professionals to craft solutions that overcome conventional technical and financial constraints.
Ecolution Consulting
Ecolution Consulting is a Cape Town–based sustainability and green building
consultancy founded in 2011. It supports organisations and built-environment
projects to improve environmental performance and resource efficiency through
practical technical advice, performance optimisation, and integrated sustainability
solutions that deliver measurable environmental impact and business value.
Giving back, moving forward
Supporting Youth
CSS sponsors a female learner from rural Limpopo at an independent school. She receives personalised learning and
digital skills training. This initiative honours the legacy of women driving change in South Africa.
Minimising Our Footprint
We work from a low-impact Green Hub office built with ecoconscious
local materials. We closely monitor energy and water use with a goal of net zero Scope 1 and 2 emissions and are committed to reducing Scope 3 emissions.
Join Us
At CSS, we welcome bright, driven professionals who want to shape the future of sustainable
finance. Joining our team means working alongside pioneers, gaining exposure to global
thought leaders, and contributing to solutions that matter.
We offer a supportive, collaborative culture where mission-driven talent thrives. Continuous
learning, professional growth, and work-life balance are central to how we work.
If you are ready to become a CSS changemaker, send your CV to info@sustainablesolutions.co.za.
