Team

 

Team

 
 
 

chief executive officer

James Cumming

M.Sc, B.Bus.Sci, Honours (Economics)

James joined in 2012, was General Manager since 2022 and promoted to CEO in 2025. He is involved in all aspects of ACED’s renewable energy portfolio while his key focus areas are business development and transaction & project management. Overseeing procurement processes and construction contract negotiation are of special interest, as is managing the technical-commercial interface.

James has overseen the development, bidding and financial close of 500MW of Wind Projects and 400MW of Solar PV Projects. He has also spearheaded ACED’s growth in the C&I market.

Prior to joining ACED, James was employed at Energy Partners in the business development team. James has a Business Science Degree with Honours in Economics from the University of Cape Town, and a Master’s of Science from Oxford University.

 

 

Principal

MARY WEBBSTOCK

M.Sc (Eng), Honours (Economics), BCom (PPE)

Mary joined in 2009, has over 10 years of post-graduate experience, and is involved in all aspects of ACED’s renewable energy portfolio from arranging project finance for ACED’s assets to project development. Mary has overseen the development, bidding and financial close of majority of ACED’s renewable energy portfolio, having personal involvement in some 640MW of Wind Projects and 400MW of Solar PV Projects.

Prior to joining ACED, Mary completed her Masters in Renewable Energy at the Energy Research Centre at the University of Cape Town. In her early career, Mary worked for JPMorgan in the Leveraged Finance team in London where she was involved in a variety of infrastructure deals across the energy, water, electricity and gas sectors in Europe.

 

 

chief technical officer & head | engineering & procurement

Dylan Theunissen

BSc.Eng (Mechatronics)

Dylan is involved in all aspects of ACED's projects with a focus on the technical and commercial aspects. Dylan has extensive experience in the South African and international renewable energy sector, having worked at Eskom as a technical consultant, and for project development firms. Dylan has been involved in several gigawatts of wind and solar projects with a focus on contracting including tender management, contract negotiation, and contract management during implementation.

Prior to joining ACED, Dylan was the head of the South African office of a large, international, engineering consulting and technical advisory firm. Dylan has a Bachelor of Science in Engineering with Honours from the University of Cape Town.

 

 

executive | BUSINESS DEVELOPMENT

ROBYN BROWN

Robyn has over 10 years of experience in the renewable energy sector.

She has participated in the development, bidding and financial close of wind and solar PV projects in the REIPPP programme as well as the C&I market, as well as being involved in overseeing procurement processes, project management and project acquisitions.

Robyn is an admitted attorney and conveyancer.  Her key areas of focus at ACED are business development and transactions.

 

 

head | site development

michelle bowden

BSc. Hons (Env. Science), BSc. (Zoology), PMP®

Michelle joined in 2023, has over 16 years post-graduate experience in environmental and social management, and is responsible for managing the environmental, land and permitting aspects of ACED’s projects to ensure compliance with local requirements and international best practices, IFC Performance Standards and Equator Principles.

Prior to joining ACED, Michelle worked as an environmental and social consultant in both the public and private sectors where she was responsible for various environmental management processes related to resource infrastructure, oil & gas, and mining projects.

She is a registered Project Management Professional with the Project Management Institute and her experience is focused on integrating environmental and engineering practices to ensure a holistic approach to project strategy development, planning & risk analysis, and project execution.

 

 

head | construction

nic fee

BSc Building Management

Nic joined in 2023 as Head of Procurement and Construction. Coming from a construction and project management background, Nic has over 25 years experience in the South African construction Industry and abroad, 15 of which as a contracts director at one of South Africa’s major listed construction companies. Nic’s construction and project management experience has covered all aspects of the procurement and construction management on major projects in the commercial, industrial, transportation and healthcare sectors. He holds a BSc Building Management degree from the University of Cape Town.

Nic’s role covers the management of the procurement and construction work streams of all ACED’S renewable energy projects through bidding and financial close and then construction through to commercial operation.

 

 

head | asset management

sam cook

Executive MBA, B Eng (Mech)

Sam joined in 2023 to manage Commercial & Industrial (C&I) projects in the pre-construction and construction phases. In his capacity as Project CEO for C&I projects at ACED’s sister company, EIMS, he will have ongoing responsibility for asset management of C&I projects during the operations phase.

Sam has 20 years of broad experience in wind and solar energy, encompassing business development, technology commercialization and all project phases (development, construction and operation). After moving to South Africa in 2013, he was Senior Facility Manager responsible for 3 projects built in Round 1 of REIPPPP, and subsequently the Kouga Wind Farm until returning to ACED/EIMS.

Sam holds a B Eng (Mech) degree from the University of Queenslands (Australia) and an Executive MBA from the Universidad Politécnica de Madrid.

 

 

head | business development

yaseen mahomed

CFA® Charterholder, MCom Development Finance, BCom Hons Accounting

Yaseen joined ACED in 2024 as the Head of Business Development. He is responsible for leading and managing the project and business development functions, with a key focus area being new business development.

Yaseen has over 10 years of experience in the energy sector focusing primarily on project finance and business development. Prior to joining ACED, he was employed in various roles in both lending institutions and developers. During this time, he has been involved in the development, bidding and financial close of numerous wind and solar projects in the government procurement and C&I markets.

Yaseen holds a BCom degree with Honours in Accounting, a MCom degree in Development Finance and is a CFA Charterholder.

 

 

project manager | construction

wessel lourens

MBA (USB), Pr Eng

Wessel holds a BEng in Civil Engineering and MBA from University of Stellenbosch and more than 10 years’ experience on large infrastructure and renewable energy projects. He previously worked for Worley Parsons as Civil Engineer where he was responsible for engineering and construction monitoring work – this is where he developed an interest in project management.

He then joined Power Construction as Project Manager within the wind energy industry – he gained exposure to 5 different wind projects where Power Construction acted as Civil BoP contractor. Wessel initiated contract negotiations and pricing, etc and worked in construction before he moved to iX Engineers in a more project management focused position – leading 5 project managers on large infrastructure and bulk water and pump station projects.

 

 

senior manager | business development

steyn de vos

B.Eng (Civil), MBA

Steyn joined in 2021 and has over 9 years post-graduate experience. His role entails the project management of various development tasks from prospecting and project site selection, to securing land and site development through to financial close and construction. A key focus across these work streams is engineering integration and site optimization.

Prior to joining ACED, Steyn worked at a leading global renewable energy company as a Project Development Manager on multiple utility scale wind and solar projects in various stages of development. Tertiary qualifications include an MBA from the University of Cape Town and a Bachelor of Engineering (Civil) from the University of Stellenbosch. His earlier career involved the design and implementation of large-scale infrastructure projects across Africa and the Middle East, including 280MW of wind energy.

 

 

senior engineer | engineering

amy stevens

Amy’s primary role at ACED is to assist in the technical development of the company’s wind and solar portfolio from pre-feasibility up until financial close, providing technical support during the construction phase as required. She has over 14 years’ experience working as an engineer and project manager on energy and infrastructure projects.

Prior to joining ACED in 2024, Amy worked as a senior engineer for an independent power producer, where she managed the technical aspects of multiple gigawatts of utility scale wind and solar projects. She has also worked for a consulting firm providing technical input and advice to lenders and independent power producers in the renewable energy space, and for a solar EPC company where she designed, and project managed the installation of several solar projects.

 

 

MANAGER | technical

stacey frewen

BSc.Eng (Mechanical), BSc (Viticulture & Oenology)

Stacey joined in 2022 and has over 8 years post-graduate experience. Her role entails guiding projects through stages from development and site readiness, through to Financial Close and the Construction Phase, with a focus on bidding and procurement workstreams.

Prior to joining ACED, Stacey worked as a renewable energy consultant for an international engineering consulting firm providing technical advisory services on utility scale solar PV projects during various stages of development. Earlier career experience includes working as a consultant in the building services industry and in the engineering consultation field with a focus on product development.

 

 

executive | business development

jaco nolte

BCom Informatics (Economics), PMP, CEM

Jaco joined in 2022 and is responsible for Development Project Management.

Prior to joining the ACED development team, Jaco worked for BBEnergy, one of South Africa's largest energy management companies. Jaco was there for 11 years, initially gaining project management experience in implementing energy efficiency and energy management projects in the mining and industrial sectors. For the last 6 years he headed up the renewable energy project development team at BBEnergy, and was part of a development team that jointly developed a 33MW private off-take solar PV project for a gold mine in the Free State Province. Jaco's key responsibilities were feasibility studies, business case value propositions and project management of the permitting, licensing and consents, and grid connections work streams.

 

 

Project Manager | site development  

KHOLOFELO RAMEETSE

BA, BSc. (Hons), M.Sc (Geography)

Kholofelo joined in 2021 and is responsible for the project management of land and environmental permitting of projects. This covers involvement in obtaining all key authorisations and consents as well as project landowner engagement.

Prior to joining ACED, Kholofelo worked as a Project Development Associate for an independent power producer, where she was responsible for the land and environmental compliance of over 2GWs of wind and solar projects in various phases of development across the African continent. Prior to this, Kholofelo was an Economic Development Analyst for the same IPP, managing an operational wind facility’s Enterprise Development & Socio-Economic Development projects implementation, monitoring and evaluation.

 

 

project manager | site development

simamkele ntsengwane

BSc. Environmental Geology, BSc. (Hons)

Simamkele joined in 2022 with over 8 years of experience and is responsible for the project management of land and environmental permitting of projects. This covers involvement in obtaining all key authorisations and ensuring compliance with local requirements and international best practice.

Prior to joining the ACED team, Simamkele worked an environmental assessment practitioner predominantly for renewable energy, linear developments, and water-sector related projects for both public and private clients – most recently managing and undertaking Environmental Impact Assessments (EIAs) for commercial wind farms and transmission lines in the Eastern Cape and Northern Cape as well as site selection projects in Lesotho.

 

 

transactor | business development

matthew godrich

B.Bus.Sc Finance & Accounting, CA (SA)

Matthew joined ACED in 2024 and is involved in transaction structuring and capital raising for renewable energy projects, as well as being involved in new business development.

Prior to joining ACED, Matthew was employed at Nedbank where he spent the majority of his time in the Energy Finance team within Nedbank CIB focusing on Projects in South Africa and across the African continent.

Matthew holds a B.Bus.Sci in Finance and Accounting, CA(SA) and is a CFA Charterholder.

 

 

project manager | construction

musa kumalo

PG Dip (Project Management), BTech Civil Engineering

Musa joined ACED in 2024 with over 7 years post-graduate experience in large infrastructure projects within the Civil Engineering Sector.

Musa has experience in both construction and project management and has been involved in the government procurement process where he consulted on major projects covering, wastewater treatment, acid mine drainage and municipal infrastructure services.

Prior to joining ACED, Musa worked at Golder Associate where he gained much of his construction knowledge, he then later joined iX Engineers where he assumed a more focus role of a junior project manager for large infrastructure projects, and later moved to JG Afrika where he led the Owner’s Engineer role on large infrastructure projects encompassing wastewater and water treatment.

 

 

projectS & team administrator

pikwe vasey

B.Soc.Sci

Pikwe joined ACED in 2009, and has over 15 years post-graduate experience. She is responsible for providing co-ordination and administrative support to the ACED team and has been intimately involved in the successful delivery of over 700MW of wind and over 400MW of solar PV projects.

She assists with landowner and stakeholder liaison as well as adhoc assistance on the numerous and varied aspects of development work such as applications to government departments, project submissions and presentations, maintaining of permits and licenses, etc.

 

 

business & projects administrator

nuraan molti

Nuraan joined ACED in 2023 and with more than 20 years legal/PA/EA experience – 7 years of which were spent in the Property and Corporate Commercial Departments at one of South Africa’s big 5 law firms – she has amassed a wealth of experience in fast-paced and demanding environments.

She has extensive office, administration and operations management experience, assists with administration, project submissions, compliance and marketing material, drafting of property and ancillary agreements and documents, together with providing executive assistance to the CEO and CCO. She ensures that the team receives the necessary administrative assistance they require, is responsible for their wellbeing as well as ensuring the smooth day-to-day running of the office.

 

 

ACCOUNTANT

SAMANTHA DE BRUYN

BTech Cost & Management Accounting

Samantha joined ACED in 2024 and has a Cost and Management Accounting degree.

She has over 15 years of accounting experience in various industries such as oil and gas, production, manufacturing and tourism. She is a skilled finance professional that offers a wide range of experience.

Her role covers ongoing support and assistance to the Financial Manager and fellow finance staff in the day-to-day running of ACED’s operations.

 

 

senior manager | engineering 

BULELANI DUNJANA

BSc. Eng (Elec), PG Dip (PM), Pr Eng (ECSA) 

Bulelani has over 15 years of experience in the utility, consultancy and renewable energy sector. His focus has been on the design and build of medium and high voltage substations, distribution and transmission lines alongside a wealth of technical expertise and renewable energy project integration experience, which includes project adjudication, project execution until achieving commercial operation. He led and managed various technical workstreams on numerous renewable energy projects in South Africa and abroad.  

Prior to joining ACED in 2025, Bulelani was the engineering manager at Mulilo. He holds a Bachelor of Science degree in Electrical Engineering with Honours from the University of Cape Town, and is a Professional Registered Engineer with Engineering Council of South Africa.

 

 

project coordinator | site development

Mthokozisi Ndumo

BSc. Environmental & Geographical Science, BSc. (Hons)

Mthokozisi joined ACED in 2024 as an Environmental and Development Intern in the Environmental, Land and Permits department. Upon successfully completing his internship, he was appointed to the role of Project Coordinator within the same department.

In his role as Project Coordinator, Mthokozisi provides essential support and coordination to all the environmental, land and permitting aspects of ACED’s projects across the development, construction and operations phases.

He holds a Bachelor of Science (Honours) degree in Environmental and Geographical Science from the University of Cape Town.