Finance professionals in Energy storage
Fluence appears in two of these energy storage finance careers, and the other eight hold or held finance titles at Saft, Nextpower, GridStor, Trinasolar, Energy Vault, CellCube Energy Storage, Siemens Energy's BlueVault business and Ampowr. Three are current CFOs, and capital markets, project execution and product cost roles round out the group, which suits developers and manufacturers forecasting project costs or raising money for storage deployments.
Professionals to explore
Alexandra Schroeder
LinkedInExperience: Finance Director - Energy Storage Systems Division · Saft
Since 2022, Alexandra Schroeder has been Finance Director - Energy Storage Systems Division at Saft, which specializes in battery solutions. Alexandra was VP Finance - Brakes & Safety division at Wabtec Corporation (2016–2022), Sourcing Finance Manager at GE Grid Solutions (2015–2016), Product Line Controller NMS at Alstom Grid (2012–2015) and Senior Project Controller at Alstom (2010–2012), a fit for storage division P&L and project control questions.
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Andrey Pak
LinkedInExperience: Former Vice President of Finance · Fluence
Fluence is where Andrey Pak was Vice President of Finance (2021–2025), Director of Finance (2018–2021) and Senior Finance Manager (2018), and since 2026 Andrey has been Senior Vice President Finance at Energix North America. Andrey was a Finance Excellence Program Associate at Siemens (2017–2018) and describes being a founding finance team member twice, a fit for questions on building finance at a storage company.
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Ben Hunnewell
LinkedInExperience: SVP and CFO Nextpower Energy Storage · Nextpower
Nextpower has had Ben Hunnewell as SVP and CFO Nextpower Energy Storage since 2026, and Ben was Chief Financial Officer at Prevalon (2024–2026). At Mitsubishi Power Americas, Ben was Vice President and Chief Financial Officer (2021–2024), Vice President of Operations (2022–2024) and Senior Director Controller (2019–2021), so questions on CFO-level planning for a storage business fit.
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Chinmay Abhyankar
LinkedInExperience: Senior Director Finance (FP&A) · Energy Vault
At Energy Vault, which builds gravity and kinetic long-duration storage, Chinmay Abhyankar has been Senior Director Finance (FP&A) since 2026. Chinmay was Senior Director, Operations Finance (FP&A) at MN8 Energy (2023–2026), Director, Operations Finance (FP&A) at SunPower (2022–2023), Director, Operations, Finance, & Process Development at AQUAM (2019–2022) and Director, Operations & Channel Partners at Verengo Solar (2011–2019), so operations finance questions fit.
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Joyce Jiao
LinkedInExperience: Head of Energy Storage Finance · Trinasolar
Trinasolar's Head of Energy Storage Finance since 2024, Joyce Jiao was Dir of FP&A at BroadcastMed (Now Conexiant) (2023–2024) and Kateeva (2020–2022), and Finance Director (2017–2020) and Sr. Finance Manager FP&A (2014–2017) at Knowles Intelligent Audio. Joyce describes 20 years of planning, forecasting and modeling, a fit for storage business forecasting questions.
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Olivier Laigle
LinkedInExperience: Former Senior Finance Director, Project Execution · Fluence
Olivier Laigle was Senior Finance Director, Project Execution (2022–2023) and Senior Director Finance (2022–2023) at Fluence, and has been Vice President Finance at SOLV Energy since 2023, describing creating the finance department for a $2b construction EPC P&L in renewables. At Baker Hughes, Olivier was CFO Services Americas (2019–2022) and Financial Director (2019–2022), a fit for project execution cost questions.
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Patrick Helvensteijn
LinkedInExperience: Finance Director (CFO) · Ampowr
Ampowr, which specializes in battery energy storage systems and energy management, is where Patrick Helvensteijn has been Finance Director (CFO) since 2022, describing structuring and professionalizing its financial operations. Patrick was Finance Manager NL BE at OMV (2018–2022), European Financial Manager Planning Support at Zenith Energy L.P. (2016–2018) and Senior Project Controller Finance Business Lead at RWE (2014–2016).
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Patrick Kummer
LinkedInExperience: Group CFO · CellCube Energy Storage
Group CFO and a Board of Directors member at CellCube Energy Storage since 2024, Patrick Kummer was Head of Finance & IT there (2023–2024) and Head of Group Finance Authorized Officer (2023) and Senior Controller (2021–2022) at Austro LBK Gruppe. Patrick describes a CFO role spanning finance, legal, IT, HR, operations management and marketing, with turnaround work, a fit for questions on running finance and the back office at a storage company.
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Rainer Spaude
LinkedInExperience: Head of Global Business Partner FIN · Siemens Energy
Head of Finance BlueVault Energy Storage Solutions at Siemens Energy (2023–2025), Rainer Spaude has been Head of Global Business Partner FIN there since 2025. Rainer was Head of Product Cost Management and Margin Controlling at Siemens Energy (2020–2023), and Senior Controller Additive Manufacturing (2017–2020) and Product Cost Controller for Large Gas Turbines (2014–2017) at Siemens, a fit for product cost and margin questions.
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Spencer Mash
LinkedInExperience: SVP of Finance, Head of Capital Markets · GridStor
Renewable energy, tax equity and structured finance fill the more than 14 years Spencer Mash describes, including co-founding Greenbacker Renewable Energy Company. Spencer has been SVP of Finance, Head of Capital Markets at GridStor since 2025 and was Co-Founder and Executive Vice President (2016–2024), Chief Financial Officer (2022–2024) and Managing Director (2011–2016) at Greenbacker, a fit for project financing questions.
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Choose the right perspective
For financing storage projects, Spencer Mash and Ben Hunnewell are the closest matches, with tax equity and structured finance in Spencer's background. Project cost forecasting suits Olivier Laigle, Andrey Pak and Chinmay Abhyankar; product cost and margin questions suit Rainer Spaude, Alexandra Schroeder and Joyce Jiao, and Patrick Kummer and Patrick Helvensteijn give a CFO view from CellCube Energy Storage and Ampowr.
Questions to take into the conversation
- 01How do you forecast installed cost per kilowatt-hour on a storage project while cell and transformer prices are moving?
- 02Which revenue streams do lenders and tax equity investors credit when financing a battery project, and how are they discounted?
- 03How do you set warranty and augmentation reserves for battery systems over a long service contract?
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.