Skip to main content

People

TagEnergy’s management team is made of individuals working together for over 10 years, across different industries (construction, commodity trading, energy, telecommunications) and in various regions (Europe, Asia, Oceania and the Americas). TagEnergy’s team combines a unique set of competences and exposure to risk and innovation.

Executive Committee

Franck Woitiez

CEO

View bio

After creating and developing several businesses in Portugal and Brazil, Franck joined Neoen in 2010 where he was the Managing Director of its Portuguese and Australian operations. Franck successfully led and managed the development, procurement, financing and construction of more than 1.1GW of solar, wind and energy storage projects across both countries, with a combined capital value of more than €1.5 billion. These included a number of landmark projects, including what was, at the time, the largest battery in the world, the world’s first co-located wind farm, battery and agribusiness facility and Australia’s largest solar farm.

Franck is the Chief Executive Officer of TagEnergy, based in Lisbon.

Jean-Baptiste Fournier

Deputy CEO

View bio

After starting his career in the construction industry, Jean-Baptiste joined the Renewable Energy division of Bouygues Construction in 2012 to develop its solar construction business across several countries in Europe. In 2015, Jean-Baptiste was appointed Director for Asia Pacific Business Development and established Bouygues’ Singapore office. From there, he successfully built and led teams on the construction of more than 800MW of projects throughout Australia, Thailand and Vietnam including the largest solar farms in Australia and Vietnam at the time of construction.

Jean-Baptiste is the Deputy CEO of TagEnergy, responsible for all development activities. He is based in Lisbon.

Damien Bonnamy

CFO

View bio

After starting his career in Brazil’s energy sector, Damien joined Neuf Cegetel’s Finance department in 2000 and then Neoen in 2011 as CFO of the company’s international ventures before focusing on its Australian investments. He was responsible for raising more than €1 billion of project finance debt and preparing the Australian subsidiary for initial public offering on the Paris stock exchange. Damien is widely regarded as having pioneered the use of long-tenor commercial bank debt on Australian renewables projects, which set the trend amongst other developers.

Damien is the Chief Financial Officer of TagEnergy, based in Lisbon.

Monica Andreu

CTO

View bio

Before starting her career in the energy sector, Monica held management consulting positions for strategic telecommunications projects in Germany, Italy, Spain, Denmark and the UK. In 2007, Monica became a business development manager for Direct Energie, before becoming Procurement Manager for Neoen in 2009 and Procurement Director in 2012. During her tenure, Monica was responsible for all procurement activities (wind, solar and biomass) and contracted the equivalent of 1.8GW of projects. In 2017, she was appointed inaugural Managing Director of Neoen USA where she established the business.

Monica is Chief Technology Officer of TagEnergy, responsible for procurement and technology assessment.

Frédéric Cellier

COO

View bio

Frederic started his career at EDF, where he had the opportunity to lead many teams in the hydropower division, from engineering to asset management in the French Alps. From 2013, he was an executive officer at EDF in Reunion Island (Indian Ocean) in charge of generation, overseeing development, construction and operations on a wide range of technologies including 5MW/2.5MWh of battery storage.

In 2018, he joined fund manager Berkeley Energy in Singapore as Head of Operations, managing a portfolio of 500MW under development/ construction/operation across South East Asia. Projects included the construction of the first hybrid wind farm in the Philippines and several hydro/solar projects in Indonesia.

Frédéric is COO at TagEnergy, based in Lisbon, responsible for construction and asset management.

Louis Blateau

CCO

View bio

Louis started his career as a utility solar developer by creating a portfolio of 100+MW of PV projects in France and securing 50+MW of governmental feed-in tariffs. After a stint in the energy consulting business, Louis joined Neoen Australia in 2015.

First as business developer and then in charge of the commercial and trading department, Louis helped Neoen Australia grow to 2GW of installed capacity by directly selling and negotiating 11 PPAs for 1.3GW with retailers and corporates, outside of government feed-in tariffs. He elaborated the early bidding strategy of Neoen’s assets, developed the business case that led to the investment in a 24/7 control center and hedged over 700k LGCs on the OTC market over 5 years.

Louis is the Chief Commercial Officer of TagEnergy, responsible for commercialisation, hedging and revenue management of TagEnergy’s projects, based in Lisbon.

Development Team

Andrew Riggs

Managing Partner Australia

View bio

Andrew’s early career involved engineering and sales for a power generation OEM involved in steam, biomass and combined cycle power plants. He was responsible for equipment and component sales to 4GW of projects in Australia, New Zealand, Europe, Southeast Asia and North America. In 2014 he took responsibility for sales of Siemens’ wind power division, leading a dynamic sales and tendering team in the successful acquisition of more than 2GW of wind, solar and battery projects.  During these projects Andrew developed extensive experience in the commercial and technical structuring of delivery models.

Andrew is TagEnergy’s Managing Partner in Australia, based in Sydney.

Christophe Léonard

Managing Partner - France

View bio

After a first experience in the industrial rooftop PV business in France, Christophe started Neoen’s Australian subsidiary in 2012. He managed the purchase and financial close process of Australia’s first PV and storage project on a mining site and developed 445MW of solar projects from the ground up, making Neoen the number one solar developer in Australia. In 2019, Christophe became the company’s Deputy Regional Director for Europe, taking responsibility for its Irish solar and wind portfolio, leading the purchase of eight wind farms, and managing all revenue-related matters for the region, including the successful initiation of a 125MW wind PPA deal in Finland.

Christophe is TagEnergy’s Managing Partner for France.

Théo Imbert

Head of Development Australia

View bio

After starting his career in wind and battery project development in Australia, Theo joined TagEnergy in Lisbon in 2019. He initially supported the companie’s M&A activities across Australia, Portugal and Spain before focusing on launching its UK operations in July 2020.

In the UK, Theo and his team successfully developed and built a 700MWh portfolio of storage projects, established joint venture partnerships with local developers and assembled a greenfield portfolio of both solar and storage projects exceeding 1GW.

In September 2024, Theo relocated to Sydney to lead TagEnergy’s Australian development team.

Theo holds an engineering degree from both the Ecole polytechnique and the Ecole des Mines de Paris

Theo is Head of Development – Australia at TagEnergy, based in Sydney.

Matthias Durand

Head of Development

View bio

Matthias graduated from École Polytechnique in September 2020, and from Imperial College London, MSc Sustainable Energy Futures, in October 2020. During his six years of studies he concentrated on electricity generation technologies, data analytics and access to electricity.

He started at TagEnergy as a Project Manager to support the development of the UK business. After successfully closing the Roaring Hill battery project, he became Global Business Development Manager to support TagEnergy’s development across all its geographies including analyzing future potential markets.

Matthias is Head Development at TagEnergy, based in UK.

Simon Clifton

Project Director

View bio

Before joining TagEnergy, Simon held the position of Head of Development and Delivery at WestWind Energy. During his tenure of 6 years at WestWind, Simon was actively engaged in various pre-permit wind farm projects. Under his guidance, Simon’s team played a pivotal role in acquiring over 2GW of land for wind energy ventures. 

Notably, Simon spearheaded the team responsible for conceiving and successfully obtaining approval for the Golden Plains Wind Farm – an accomplishment that stood as the largest of its kind in the Southern Hemisphere at the time of its permitting. 

Currently based in Melbourne, Simon assumes the role of Project Manager, concentrating on the construction aspects of Australian projects.

Technology Team

Francois Debaillon

Global Technical Director

View bio

Francois is Global Technical Director at TagEnergy, based in Sydney. He has over a decade of experience in the development, financing and construction of landmark renewable energy and storage projects in Australia.

After starting his career in strategy consulting in the energy sector, he moved to Australia in 2015, where he was Project Manager for the Hornsdale Power Reserve, Australia’s first utility-scale battery and the largest in the world at the time. He has also developed and taken to financial close 309 MW of wind and 460 MW of solar projects, and directly oversaw the construction of 760 MW of solar and battery projects.

In his role at TagEnergy, Francois heads the engineering, procurement and power systems teams, which together took the 1.3 GW Golden Plains Wind Farm, Australia’s largest, from development through delivery to on-schedule grid connection. He holds a Diplôme d’Ingénieur from École Polytechnique in Paris and a Master of Science from UC Berkeley.

Loic Charmoille

Procurement Director Australia

View bio

Loic is Procurement Director – Australia at TagEnergy, based in Sydney. He is a procurement and business development professional with over 15 years of experience in the electricity generation industry.

He brings extensive experience in proposals, business development and contract negotiation for power generation projects, and joined TagEnergy in 2022.

In his role at TagEnergy, Loic leads contractor and supplier selection across the company’s BESS, solar PV and wind projects. He has led contract negotiations for the Pitkevy BESS in Scotland, the first TagEnergy project to adopt a split-contract approach, as well as the Cernay-lès-Reims BESS in France and the Golden Plains BESS in Australia.

Diego Cannada Bartoli

Head of Procurement EU/UK/Japan

View bio

Diego is Head of Procurement – EU, UK and Japan at TagEnergy, based in Lisbon. He has more than nine years of experience in the renewable energy industry, spanning project development and procurement.

He brings extensive experience in business development, having held roles across Brazil, Mexico, Italy and Australia, where he developed more than 2 GW of projects and helped establish a new business in the Australian market. He joined TagEnergy in 2022 as part of the Development team for the Spanish market and became Head of Development – Iberia in 2023, leading the development of solar PV, BESS and wind projects in Spain and Portugal.

In his current role, which he took on in 2026, Diego leads procurement across these regions, supporting TagEnergy’s growth in Europe, the UK and Japan.

Mark Kelly

Head of Engineering

View bio

Mark is Head of Engineering at TagEnergy, based in Sydney. He is an engineer with extensive experience in onshore wind, specialising in wind farm design, technical risk management and contract negotiation.

He has led technical workstreams contributing to the award of more than 1.3 GW of wind energy projects, covering wind farm design, specification and contract negotiation, technical risk mitigation and subcontractor coordination.

In his role at TagEnergy, Mark is responsible for assessing technology and project risks, optimising technical solutions and coordinating procurement workstreams. He holds a first-class honours degree in Mechanical Engineering and an Economics degree with Distinction, both from the University of New South Wales.

Josias Visagie

Head of Power Systems

View bio

Josias is Head of Power Systems at TagEnergy, based in Sydney. He brings extensive expertise in generator connection and integration within Australia’s National Electricity Market (NEM). He has led over 150 grid connection studies, supporting more than 5 GW of new generation capacity, and has delivered due diligence and compliance studies for AEMO, major network service providers, lenders and renewable energy developers.

Josias is also a guest lecturer at the University of New South Wales, specialising in generator integration and power systems. He holds Bachelor’s degrees in Electrical Engineering and Environmental Engineering from the University of Pretoria.

Finance and Revenue Team

Victor Bouchez

CFO Australia

View bio

Victor is Chief Financial Officer – Australia at TagEnergy, based in Sydney. He has extensive experience in project finance, portfolio management and energy trading, having started his career in real estate portfolio management, where he contributed to a €1.3 billion IPO.

Since moving into renewable energy in 2017, he has coordinated the financing and refinancing of a 450 MW solar portfolio, led bidding strategies securing long-term PPAs for over 750 MW of capacity, and established the middle office and portfolio management functions for 900 MW of solar, wind and storage assets in Australia.

Luiz Lafosse

Transaction Director Europe/UK

View bio

Luiz is Transaction Director – Europe & UK at TagEnergy, based in Lisbon. He has over 15 years of experience in renewable energy finance, working across European and international markets.

He has executed more than 50 transactions with a combined value exceeding €3 billion across Europe and the Americas, supporting the financing, acquisition and development of renewable energy projects. His expertise spans financial structuring, investment strategy and transaction execution across the full project lifecycle.

In his role at TagEnergy, Luiz leads project finance, M&A and equity transactions across the company’s renewable energy portfolio in Europe and the UK.

Juliana Assunção

Finance Director – Europe & Corporate

View bio

Juliana is Finance Director – Europe & Corporate at TagEnergy, based in Lisbon. She is a finance professional with extensive experience in controlling, process optimization and technology-driven change.

She has led finance transformation initiatives across global organizations in sectors including chemicals, retail, consumer electronics and renewable energy. Her approach draws on Lean Six Sigma and Prosci change management principles, with a strong focus on people and adoption to deliver sustainable change.

 

Joanne Sarks

Financial Director Australia

View bio

Joanne is Finance Director – Australia at TagEnergy, based in Canberra. She is a finance professional with more than 25 years of experience in the utilities sector, having held a range of financial and management roles across New South Wales and the Australian Capital Territory.

She joined TagEnergy in 2022 as Financial Control Director, overseeing financial reporting, governance and compliance across the company’s assets in the UK, Europe and Australia.

In her current role, Joanne leads the Australian controlling team, overseeing the financial control of TagEnergy’s solar, wind and storage portfolio in Australia and supporting its financial transactions and strategy.

Seamus Herrick

Legal Director

View bio

Seamus is Legal Director at TagEnergy, based in Lisbon. He is a lawyer with extensive experience in the development, financing and acquisition of major energy and infrastructure projects, including significant renewable energy projects in Australia.

He has advised sponsors, alternative capital providers and major financial institutions on a broad range of domestic and cross-border financings, M&A and equity capital markets transactions across EMEA, the US and Australia.

In his role at TagEnergy, Seamus provides legal and commercial support across all of the company’s jurisdictions.

 

 

Audrey Teo

Head of Transaction Australia

View bio

Audrey is Head of Transaction – Australia at TagEnergy, based in Melbourne. She has extensive experience in energy finance, having led and supported M&A, project and corporate financings through origination, structuring, execution and asset management, contributing to the funding of more than 5 GW of renewable energy and storage assets in Australia and globally.

She began her career as an energy researcher, focusing on improving the efficiency of power stations in Victoria. She holds a first-class honours degree in Chemical Engineering and a Finance and Economics degree with Dean’s honours, both from the University of Melbourne.

In her role at TagEnergy, Audrey manages project finance, corporate debt and equity raising for the company’s Australian operations.

James Martin

Legal Director Australia

View bio

James is Legal Director – Australia at TagEnergy, based in Sydney. He is a renewable energy lawyer with extensive experience in the development of renewable energy projects, including financing, offtake, acquisitions and sales, and the negotiation of key project documentation.

He has held senior legal roles in both private practice and the renewable energy industry, including as General Counsel.

In his role at TagEnergy, James leads the legal team in Australia, supporting the company’s renewable energy and storage portfolio.

Energy Management Team

Jacquie Hiller

Energy Management Director - Australia

View bio

Jacquie is Head of Energy Management – Australia at TagEnergy. She is a senior energy professional with experience across energy management, portfolio optimization and renewable energy contracting.

She brings extensive experience in energy procurement, sustainability, and renewable energy solutions for commercial and industrial customers, with a strong focus on portfolio management, market optimization and the development of renewable energy products.

In her role at TagEnergy, Jacquie leads the Energy Management team in Australia, overseeing PPA development, commercial negotiations and revenue optimization across the company’s renewable energy and storage portfolio.

 

Thibaud Duplantier

Head of Origination Europe

View bio

Thibaud is Head of Origination – Europe at TagEnergy, based in Paris. He has over a decade of experience in European energy markets, specializing in power and gas markets, energy trading, revenue optimization and commercial strategy.

His expertise spans market modelling, asset optimization, power purchase agreements (PPAs) and energy management for renewable energy projects. In his role, Thibaud leads TagEnergy’s origination and revenue strategy across key European markets, supporting the commercial optimization of the company’s renewable energy portfolio.

Operations Team

Paul Villiers

Operations Director - Australia

View bio

Paul is Operations Director at TagEnergy, based in Melbourne. He has extensive experience in the development and delivery of large-scale renewable energy projects across Australia, with expertise spanning wind energy, battery storage and project execution.

Throughout his career, Paul has contributed to the delivery of approximately 1.5GW of wind energy assets, bringing significant experience in project development, construction and operational delivery across the full project lifecycle.

Antoine Lajouanie

ESG and Asset Management Director - Europe

View bio

Antoine is Sustainability and Asset Management Director at TagEnergy, based in Lisbon.

After heading TagEnergy’s development activities in Portugal, he moved into his current role overseeing asset performance across the European portfolio as well as TagEnergy’s sustainability strategy.

Before joining TagEnergy, he worked in Australia as a Project Manager for Neoen, developing large-scale solar and wind projects.

Richard Armstrong

Asset Management Director - Australia

View bio

Richard is Asset Management Director – Australia at TagEnergy, based in Sydney. He has extensive experience in the management and optimization of renewable energy assets, with expertise spanning wind and solar generation across the National Electricity Market (NEM).

Throughout his career, Richard has overseen more than 1GW of operating renewable energy assets, with a strong focus on asset performance, compliance, operational strategy, stakeholder management and the management of O&M contractors. He also has significant experience working with AEMO and network service providers to maximize asset performance and reliability.

 

Diane Vignaud

Head of Construction - Europe

View bio

Diane is Head of Construction – Europe at TagEnergy. She has extensive international experience in the delivery of large-scale renewable energy projects, with expertise in construction management, EPC contract management and multidisciplinary team leadership.

Her experience spans solar, wind, battery storage and substation projects across Europe and South America. Diane oversees the delivery of TagEnergy’s renewable energy assets across Europe, focusing on the safe and efficient execution of projects throughout the construction phase.

Jonathan Bosch

Head of Data Science

View bio

Jonny is Head of Data Science at TagEnergy, based in Lisbon. He leads the development of data platforms and modelling tools that support commercial, operational and strategic decision-making across the business.

With expertise in data analytics, electricity markets and energy systems modelling, Jonny has extensive experience developing digital solutions for asset optimisation and automated energy trading. He holds a PhD in Energy Systems Scenario Modelling.