Dr. Thomas Schiller
Meet our team
All our Team members have been involved in academic research and follow state of the art scientific approaches. Our experts have a well-documented record of accomplishment and successful field experience. Our Team do not feel simply responsible for giving advice, but they are fully committed to implement the assigned tasks on the basis of strategic approaches. MACS employs experts who provide complementary expertise in the fields of economics and finance, engineering, IT, training and marketing.
Based on his career as financial consultant and development banker, Thomas thought consulting and management services in the utility sectors should integrate economists and engineers as well as social scientists in a core team of permanent international staff for sustainable solutions. Thus MACS was born.
His experience in micro- and macro-economic policy analysis as well as detailed sector assessments in the fields of Finance, Water and Energy makes Thomas an expert in developing comprehensive finance strategies for network utilities including building the institutional and policy framework around it.
As one of the Partners and Managing Directors of MACS he is responsible for strategic development and controlling.
Matthias has a degree in agricultural science and postgraduate honors in rural development and more than 20 years of professional experience in international development projects. At MACS he developed into a prolific Project Manager and Institutional Expert as well as Team Leader who played a major role during the very successful rehabilitation program for water and sanitation in Batumi (Georgia).
In the field of Energy Efficiency and Renewable Energy Matthias has developed a profile for himself and MACS through his work of coordinating the finance division for energy projects in the framework of the Green for Growth Fund (GGF), which has earned a reputation as one of the leading EE/RE funds today.
As one of the Partners and Managing Directors of MACS, Matthias is responsible for operations and financial management at MACS.
Zoe holds a bachelors degree in Economics from Frankfurt’s own Goethe University.
At MACS Zoe supports the Acquisition and business development team as well as the overall office administration, focussing mainly on the selection of new interesting projects for the company.
Before joining MACS Zoe could collect some work experience at her voluntary ecological year before starting university.
Tim Meyer has a M.Sc. in Industrial Engineering and Management with focus on Energy Engineering. With over 15 years of professional project experience in financing renewable energy projects and due diligences studies in India, Vietnam, MENA Region, Latin America, China, Ethiopia and the Caribbean countries, he is now our senior expert with specific focus on wind power. His expertise as Team Leader was proven in several large wind and solar energy projects: e.g. in the Atacama Desert in Chile, and through the ex-post evaluation of wind energy projects in developing countries such as Jordan. In Serbia, Tim has carried out the technical due diligence and project monitoring for the La Piccolina Wind Park close to the city of Vršac, which is one of the first wind parks in the county. Besides, Time performed the technical due diligence for other wind park projects in Serbia in the framework of the GGF activities.
German is his mother tongue, but he also speaks French, English and Spanish fluently, which allows him to pursue project challenges without language barriers in many different regions.
Senior Operations & Maintenance Consultant
Harald is a Technical Engineer in Wastewater Technology, with a post-graduate degree from the Technological University Merseburg, Germany. He used to be a technical utility director for over 20 years and also worked as an operations engineer. Altogether, he has over 25 years of professional experience in the water supply and wastewater sectors.
In his work, Harald focuses on operations and maintenance procedures, manuals and workflow analysis, with special attention directed to improvements in the management of technical water and wastewater facilities.
Harald has excellent communication skills in German as well as English and works well in international and interdisciplinary teams.
Nicolas holds a master’s degree in Engineering from the Ecole des Mines de Paris and also studied Economics and Law at Sciences Po Paris and Université Panthéon-Sorbonne.
He has several years professional experience at the French Environment and Energy Management Agency, advising the French Environment Minister’s staff on public policies for energy efficiency and renewable energies, especially environmental taxation and feed-in tariffs. He took part to a research project aiming at improving European environmental law.
He also helped designing an investment fund and put in place several green credit schemes in some leading European banking institutions. He is used to taking part to the technical and economic evaluation of investment projects. Finally, he has skills in economic modelling and Life Cycle Analysis.
Julio Sanchez is a mechanical engineer holding a M.Sc. in Renewable Energies with over 23 years of combined experience with renewable and conventional power generation. Mr. Sanchez was active as a consultant during the privatization of the energy sector in Colombia and between 2004 and 2017 en-gaged by the main German international energy consultancy firms as a Senior Project Manager and Lead Expert for solar and wind projects.
Mr. Sanchez has performed studies and due diligences for more than 300 MW of solar power deals, alongside with technical support for the development of wind parks in Central America and Asia. He is experienced in the preparation of tenders for large solar projects totaling over 500 MW and ambitious renewable energy master plans in the order of several GW, as well as independent engineering for concentrating solar power projects with a total capacity of about 500 MW in different countries includ-ing Kuwait, Libya, Saudi Arabia and Morocco.
Lia holds a Master degree in English Philology and a PhD in Educational Sciences with the focus on university– enterprise cooperation and curricula modernization. Before that, she was trained as a medical doctor. She is a senior communication expert with MACS and the program coordinator of the Rural Water Supply and Wastewater Treatment Program in Ajara, Georgia and also involved as a communication expert in many other projects.
Before joining MACS, Lia held the position of assistant professor at Batumi Shota Rustaveli State University, where apart from academic achievements, she gained solid experience in staff management.
During her studies in her professional life, she lived in Bulgaria, Spain and Russia. Next to her mother tongue Georgian, Lia speaks English and Russian, as well as basic Turkish and Spanish.
Carsten holds an M.A. in Political Sciences, Economic Policies, and German Philology from the University of Münster. With professional origins in journalism and a traineeship in PR, Carsten has 20 years of experience in corporate communications and marketing both in communication agencies and on the corporate side.
Among other positions, Carsten headed the in-house agency of the largest private university in Germany for five years. His focus is in the areas of corporate communications, corporate publishing and in the conception and implementation of cross-media marketing campaigns.
At MACS, Carsten supports the project teams wherever the development and implementation of project-related PR and marketing measures are concerned. Carsten speaks German and English.
With a Ph.D. in Geography and a European Joint Master in Water and Coastal Management, Oleksandr is perfectly fitted for the holistic work approach at MACS.
Together with his MACS colleagues, Oleksandr coordinates and develops MACS software solutions and smart tools, such as Water Smart and eSave. With his GIS-knowledge, he also participates as an expert in different projects, mainly in South East Europe and the Caucasus region.
Water, Climate and E&S Risk Specialist
Ranjin is an environmental engineer and environmental resource manager with a particular interest in sustainable water management and its interlinkages with climate action. From Latin America, Middle East & North Africa to Sub-Sahara Africa, South and South-East-Asia to Europe – he has many years of experience in implementing international development projects and giving advice to governments, utilities and financial institutions.
Prior to joining MACS, Ranjin has advised water utilities in the implementation of energy efficiency and climate mitigation measures and he has supported financial institutions in realizing green investments. With his wide range of expertise, Ranjin supports at MACS the Water & Sanitation as well as the Energy & Finance department. Besides German, Ranjin speaks English, Spanish and French.
Within the MACS Team, Cathelle is providing technical assistance thanks to her 10-year experience she gathered in France, Switzerland and Germany. Working in the field of R&D as well as on the operational side, she gives her business analysis, energy reporting and legal expertise as she similarly did with architects, engineers and energy suppliers.
From the legal and environmental monitoring of large educational buildings in France, to the development of a comparison method for energy scenarios at a local scale in Switzerland, she’s steadily developing her technical expertise in the field of RE and EE in housing as well as energy systems.
Cathelle holds a Master in macroeconomics in the field of Energy Law and Markets. She studied Sustainable Building with the ENSAM and ESTP French engineering schools. Cathelle is a native French speaker and speaks fluently English and German.
David holds a Master degree in Environmental Biology with a focus on ecology and water/soil remediation. As an Environmental Consultant at MACS, David is part of the management team in our Rural Water Infrastructure Project in Ajara, Georgia.
Before joining MACS, David worked as a process manager in occupational health and safety and gained profound experiences in industrial waste and wastewater management. Throughout his studies and in his professional life, he lived in France, PR China and Switzerland. David speaks German, English, and French, as well as basic Italian and Chinese.
Environmental and Social Risk Analyst
Isidora is an environmental engineer and holds a Joint European Master degree in Environmental Studies. At MACS, Isidora has a double role: she heads the Acquisition and Business Development department, steering the acquisition of new business and growth opportunities. She also works in Environmental and Social Impact Assessment and is most notably involved in our water and sanitation projects in Georgia.
Before joining MACS, Isidora worked in sustainable rural development and gathered relevant research experience in the United States, China, Germany and Denmark. Besides her native Serbian, Isidora is fluent in English and German and speaks basic Chinese and Russian.
Kassyo is our Brazilian finance expert who combines an MBA in International Business with over 10 years of professional working experience in non-profit-organizations. He is mainly active in our Latin American projects focusing on capacity development, training and educational measures for the staff of non-profit service providers as well as on management support to project implementation units. Besides Latin America, he has performed assignments in Uganda and Mozambique.
Kassyo uses his financial modeling skills to support the development of cost covering water supply services and his familiarity with participatory training methods has enabled him to implement business plans and financial projections as living documents, which can be administered by the people in the project. Kassyo is fluent in Portuguese and English.
Akaki Tugushi is an IT expert who holds a degree in Advanced Engineering Nuclear Physics. He has 25 years of experience in Software Engineering as well as Data Base Management and greatly contributed to the development of our billing and information system Belle TM.
In close coordination with our project managers, Akaki has helped to implement Belle in our urban water supply project in Batumi, Georgia and in several rural water projects in Brazil. In doing so, he gained a comprehensive understanding of the sometimes quite different IT requirements, which are fitting for urban or rural water systems. Akaki is fluent in Georgian, Russian and English.
Jelena holds two Master of Science degrees, in Physics and in Energy Engineering. In her second master program, Energy for sustainable development, with a special focus on developing countries, she had the opportunity to work on projects in renewable energy for rural electrification and circular economy.
At MACS, she does research work on alternative energy resources and their efficiency, including environmental and social impact assessment for the Green for Growth Fund. Besides this, Jelena is also doing energy research and energy audits for the Eco credit lines for several banks in Serbia.
Outside of the office, she is a basketball player with experience in international competitions. Thanks to her university career at Politecnico di Milano, Jelena is fluent in English and Italian, apart from her Serbian mother tongue, and speaks some Spanish and German as well.
Miloš is a mechanical engineer specialized in process engineering and environmental protection. With his previous experience as a project design engineer for industrial facilities, his professional focus lies on improving and optimizing the energy consumption of existing facilities. In addition to that, Miloš has extensive experience in the field of renewable energy, focusing on project design of wind parks and technical evaluations of small hydro-power plants and biomass/biogas facilities.
Since over 10 years, Valentina Matkovic Kovacevic has supported the MACS consulting team in the conceptualization and didactical design of MACS training activities and has led or moderated RE/EE trainings and workshops for several KfW and GGF sponsored credit lines. She has worked with loan officers of many banks, e.g. Banka Intesa, Komercijalna Banka and Erste Bank a.d. Novi Sad in Serbia, CKB and Erstebank in Montenegro, as well as Raiffeisenbank in Bosnia & Herzegovina, and helped them adapt to the requirements of Renewable Energy and Energy Efficiency lending. Furthermore Mrs. Matkovic provides permanent support and training for eSave, the MACS RE/EE calculation tool for RE/EE Credit lines. As the senior EE trainer, she is assigned to the design of training methods and training materials, and to the supervision of training activities.
Nicola’s diverse academic and professional background (that includes Art History and well as German and English Philology) reflects Nicola’s multifaceted personality and strong intellect.
With additional work experience as an interpreter, translator and archeological excavator she can – without a doubt – be described as a multilevel talent. Since 2002 she manages our front office in Frankfurt, providing an excellent balance between research and organization. Nicola speaks German, English, French and Spanish.
Energy and Process Engineering, Head of Energy Department
Holger is Energy and Process Engineer and the Head of our Energy Department. He holds an engineering degree from the Berlin Technical University and has about 20 years of experience in the evaluation, design and management of energy projects, including energy service companies (ESCO).
At MACS, Holger plays a key role in developing and steering the company’s activities in the field of renewable energy and energy efficiency (RE/EE). As a chief engineer, project manager and deputy project manager, he has led several expert teams during the implementation of RE/EE credit lines in Southeast Europe. Currently his focus is on the technical operations lead in the MACS role of the Technical Advisor of the GGF (Green for Growth Fund). Moreover, he has carried out market studies for RE/EE in countries like Turkey and Mozambique.
Driven by the vision of sustainable solutions of RE and EE measures counteracting climate change and the carefree depletion of natural resources, he has been key for the development of our standardized validation approach for energy savings and CO2 emission reductions (eSave).
Heading the Energy Department, he is also representing the company in our relations with clients and partners.
Maria Garcia Perez
Hydroinformatics and Water Management Consultant
Maria has a European Master in Hydro-Informatics and Water Management from the Erasmus Mundus Program in collaboration with 5 European Universities. She specializes in the field of Urban Water Management, which includes modelling of water distribution systems and the design of wastewater treatment plants.
As a Consultant at MACS, Maria supports the project team in our urban water project in Georgia. Additionally, Maria collaborates with the IT department to further develop smart tools, bringing in her technical experience in hydraulic computations and modern information management tools.
Before joining MACS, Maria was studying and gathering relevant experiences in Spain, Switzerland, Germany, UK and France. Beside Spanish, Maria is fluent in English, German and French.
Climate Change & Sustainability Specialist
Johannes holds a Diploma in Energy Engineering and has more than 25 years of professional experience within consulting, utilities, and project development businesses.
Johannes brings extensive technological experience in renewable energy systems and energy efficiency to MACS. This includes biomass, landfill and biogas, as well as solar PV assets. His background in energy efficiency ranges from cogeneration and district heating to buildings. His know-how encompasses (pre)feasibility studies, due diligence, energy audits, rehabilitation and expansion strategies for energy systems, market and competition analyses, as well as mergers and acquisitions advice. Johannes’ in depth understanding and hands-on experience in carbon markets and project-based emission reduction activities complement his profile.
As Project and Team Manager at MACS, Johannes puts his competencies in all areas project handling, including stakeholder and intercultural management, to work for our clients. Besides his mother tongue, German, Johannes is fluent in English and Spanish.
Senior Hydro Power Sustainability Advisor
Reinhold Metzler is a mechanical engineer with over 30 years of professional experience as a consultant for Hydropower- as well as Biomass- and Windpower Projects.
Recently he has helped MACS to come up with a comprehensive due diligence methodology for the assessment and development of Renewable Energy projects in the framework of the Green for Growth Fund.
In comparison to more traditional concepts, our approach transcends the feasibility assessments which are common in conventional due diligence. Instead, we support the full process of project genesis, which means not only approving or disapproving projects but trying to find solutions if a project is stuck or not well designed.
Reinhold’s asset in this regard is his ability to communicate relevant project-aspects according to the perspective of the different stakeholders. This way we are able to support project development and quality assurance from the technical and from the banking side. In addition to German, Reinhold speaks English, Spanish and French.
Wolfgang Schwaab is our senior expert for rural and urban water and sanitary projects with more than 38 years of professional experience. Wolfgang is very experienced in planning, appraising and supervising water and sanitation projects in urban and rural water as well as interdisciplinary projects in infrastructure, energy saving and environmental protection in over 45 different countries around the globe.
At MACS, Wolfgang supports our Water Department with technical and project management expertise in both rural and urban Water and Sanitation and interdisciplinary infrastructure projects. Besides German, Wolfgang is fluent in English, French, Spanish and Portuguese.
Technical Due Diligence and Energy Audits
Nikola has an MSc in Electrical Engineering and his professional focus at MACS is on RE/EE projects, knowledge transfer and project management. Since April 2015, Nikola is also the Managing Director of MACS Serbia and responsible for the business development of this office.
Nicola is a “bankers engineer” – having performed technical due diligences of many RE/EE projects and countless RE/EE trainings for bank staff during implementation of RE/EE Credit Lines and loan products at banks in Western Balkan, Caucasus and Turkey.
On top of his technical skills, Nikola possesses outstanding language skills; he is fluent in English, German, Italian, Spanish and Russian besides his mother tongue Serbian.