Who We Are

READY TO POWER THE FUTURE

Led by our founders Rollie Armstrong and Steffen Kammerer, we are an energetic and committed team of professionals, sharing our knowledge and experience to offer tailored energy concepts and solutions to our clients.

MEET THE TEAM

OUR EXECUTIVE TEAM

Rollie Armstrong

Managing Director
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As one of our Managing Directors, Rollie is focused on developing and implementing growth opportunities in the rapidly evolving market of renewable energies.

Prior to founding CRONIMET Power Solutions, Rollie co-founded and served as a director of SOLEA Capital GmbH, an internationally active PV development, investment and transaction structuring company. Under his leadership SOLEA successfully developed, built, operated and transferred utility scale PV projects in Italy, Germany, Romania and South Africa.
As responsible manager of a Munich based private equity group, Rollie profitably managed investments in the renewable energy sector. Further, Rollie spent six years with Ernst & Young Germany as a Corporate Finance and M&A Manager.
Rollie earned an MBA in Corporate Finance from Northeastern University in Boston and holds an undergraduate degree (B.Sc.) in Financial Services from UN-LV.

Steffen Kammerer

Managing Director
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Besides his general management focus, our Managing Director Steffen is responsible for transaction- and project management, project financing and structuring of energy projects worldwide.
The business lawyer with degrees from the HFWU Nürtingen and the University of Economics Bratislava started his career at the international consulting company Ernst & Young in the area of mergers & acquisitions with a specialization in financial and advisory services to banks.
For an international investment company Steffen further actively led a considerable number of transactions and financing deals in the field of renewable energies.
In his previous role as Co-Founder and Director of SOLEA Capital GmbH, Steffen successfully managed the international expansion of the SOLEA group into Africa and Australia.

Sabrina Steinhauser

General Manager
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Sabrina heads our corporate team at CRONIMET Power Solutions. Committed to ensure a steady organizational development, Sabrina manages CRONIMET Power Solutions’ international subsidiaries and teams as well as the coordination of international projects.

She earned a M.A. in International Business with focus in Marketing from the University of Applied Science in Kufstein, Austria and holds a Bachelor’s degree in Economical Geography from the Ludwig-Maximilians-University in Munich.

A team of experts crafting efficient solutions

OUR MANAGEMENT TEAM

Nkosi Nkube

Executive Director CRONIMET Power Solutions SA
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Nkosi serves as CRONIMET Power Solutions South Africa’s Executive Director. He gathered extensive experience in the sourcing and implementation of financial transactions while working for financial institutions and specialist advisory boutiques including Old Mutual Specialised Finance, Nedbank and Basis Points Capital. Prior to his directorship at CRONIMET, Nkosi was a co-Director at SOLEA Renewables (Pty) Ltd (SA), a subsidiary of SOLEA Capital. Nkosi has gained years on domestic development and project execution experience in the renewable energy sector and continues to drive new project development opportunities for CRONIMET..

As Executive Director of CRONIMET’s South African Team, Nkosi is responsible for the organization of the corporate management, project coordination as well as financing in our South African subsidiary.

Alex Vassev

Head of SADC, Head of Legal and Compliance
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Alex is in charge of our team of professionals in the SADC region and further heads our Legal Department in his capacity as an English and South African-qualified lawyer.
Alex previously founded Vassev Attorneys, a boutique law firm concentrating on Private Equity, Mining and Renewables.

Luc Tanoh

Head of West Africa
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Bringing over 30 years of experience in the Telecom, IT, Power Utility and Engineering industries throughout Africa, US and Europe to CRONIMET, Luc is a highly regarded Senior Executive, GSM and Energy specialist, combining significant board-level experience with in the field regional and continental leadership roles .
As Head of West Africa, Luc is responsible for business and project development throughout West Africa and the Francophone regions of Africa. He holds a Master’s Degree of Sciences in Electrical Engineering from the Swiss Federal Institute of Technology and a Master’s Degree of Sciences in Industrial Engineering and Operations Research from the University of Berkeley in California.

OUR PROJECT, FINANCE & TECHNICAL EXPERTS

Dr. Georg Wirth

Technical Director
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As head of our technical department, Georg is responsible for the coordination of the technical feasibility studies, engineering analyses and procurement as well as for the development of hybrid PV, Diesel and energy storage system designs. Prior to joining CRONIMET, Georg led the photovoltaic grid integration team at the University of Applied Sciences Munich’s solar energy lab since 2010. During his four year stint, Georg managed a number of complex grid stability research projects outsourced to his lab by companies such as E.ON, General Electric, Siemens, and research institutions including the Technical University of Munich, DLR, and the Fraunhofer Institute.

Georg’s educational background started with a training at Siemens across the electrical engineering division. Georg achieved his Ph.D. Degree from the Carl von Ossietzky University at Oldenburg on modelling the meteorological effects of grid distribution physics under high photovoltaic penetration scenarios.

Daniel Ambros

Sr. Technical Manager
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Daniel Ambros is a Senior Technical Manager at CRONIMET Mining Power Solutions. He earned his Bachelor of Engineering at the University of Applied Science in Munich in Renewable Energies & Power Engineering and started his career at Green City Energy in Munich. As a Senior Technical Manager, Daniel is responsible for the electrical and mechanical implementation of off-grid PV systems as well as PV hybrid systems throughout remote Africa. He is specialized in the performance-based technical planning and construction process planning of acquired projects until the successful completion and handover to the investor.

Darina Decheva

Manager Project Finance & Strategic Capital
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Darina is part of our finance team. She identifies business related funding programs and develops tailored financing solutions for our clients. Darina is our specialist regarding all cooperation with development assistance partnerships, development finance institutions and government backed financing instruments. She holds a Diploma in Economics from the Albert-Ludwigs-University Freiburg.

Vanda Suwanapak

Project Manager
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Whilst being responsible for all project development and project financing activities, Vanda plays a pivotal role during the realization and installation of power plants. She moreover coordinates the cash flow management between suppliers and sub-contractors and works tirelessly to help our clients achieve their financial goals.
Before joining CRONIMET, Vanda worked in different investment offices including McKinsey and Aeris Capital. She holds a Bachelor’s degree in Business Management and a Master’s degree in Banking and Finance.

Lonwabo Ntshiba

Jr. Draftsman
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As Junior Draftsman at CRONIMET Mining Power Solutions SA (Pty) Ltd Lonwabo supports our technical team and assists in O&M services, yield assessments and the drawing of PV plant layouts. He holds a national diploma in Mechanical Engineering from the Cape Peninsula University of Technology and started his BTech in Mechanical Engineering at the University of South Africa. With previous trainings in Engineering at the Two Rivers Platinum Mine and the Grinaker-Ita Mining, Lonwabo has built his background in the renewable engineering and mining industry.

Shingirai Matunhira

Hybrid system operator
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Shingirai manages the solar hybrid plant at Thabazimbi and ensures the reliable delivery of electricity to the mine. He takes care of the power grid and constantly communicates with our customer as well as with the utility provider. Supporting our engineering team, he evaluates the data of the power systems for operational and consulting purposes. Shingirai holds a Diploma in Mechatronics, Robotics and Automation Engineering from the University of South Africa.

Thabiso Innocent Makoloi

O&M Assistant
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Managing the power hybrid generation system, Thabiso supports our engineering team on site. He configures an programs the plant controllers and power factor correction equipment. He further manages and maintains the measurement data as well as the measurement equipment.

OUR AMINISTRATIVE TEAM

Chevon Koopman

Commercial Assistant
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As Commercial Assistant Chevon performs all administrative and accounting duties for our Namibian subsidiary and is essential for keeping the day to day business going forward and as planned. She further supports the project team in controlling.
Chevon obtained her diploma in Accounting and Finance at the Namibian University of Science and Technology. She has worked for Ohlthaver & List Group of companies which is the biggest private sector company in Namibia outside the mining industry. Chevon also supports OLC Solar Energy (Pty) Ltd which is a joint venture for large scale power projects between O&L Energy (Pty) Ltd and CRONIMET.

Michelle Deville

Management Assistant
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In her role as Management Assistant Michelle supports the management board as well as the corporate department in developing organizational structures and networks with special regards to Western Africa. She is further responsible for the marketing department.
Before joining CRONIMET Michelle worked in the Sales & Marketing department of an international hotel chain. She holds a Bachelor’s Degree in Hospitality Management.

Valeria Vitale

Team Assistant
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Valeria Vitale is Team Assistant and the heart of our office. After her education as a Management Assistant for Office Communications, she went to Australia for nine months to train her English skills and to cut her professional teeth. Valeria has a bilingual background growing up in Germany as well as in Italy. She is responsible for the management of CRONIMET’s headquarter back office in Unterhaching, Germany. This includes travel expense accounting and common preparatory accounting. In addition she takes care of the reception, organizes mail duties and all phone requests. Valeria is the contact person in all administrative aspects and supports next to CRONIMET’s international team, the management assistant as well as the Managing Directors.

Walking the walk in all we do