People
Meet our team of experienced specialists

Who we are
We are a growing team of experienced funds management professionals and sector specialists focused on energy transition infrastructure, with a proven track record across a broad range of geographies and technologies.
Alongside the Partners, Sosteneo includes professionals across all core functions of a fully integrated funds management platform: Investments, Asset Management, Investor Relations, Risk, Compliance and AML, Legal, Finance and Operations, and People and Culture.
As a collective of experts with diverse backgrounds, varied interests, and fluency in more than 10 languages, we are united by a shared commitment to investment excellence and delivering long-term value for clients.

Partners
Umberto Tamburrino
Name: Umberto Tamburrino
Position: Managing Partner / CEO
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Umberto is Managing Partner and CEO, responsible for leadership of the firm and overseeing the investment activity. He is a member of the Board of Directors and the Investment Committee.
Umberto has almost three decades of experience in the renewable energy sector. He has held various leadership positions such as CEO of Elliott Green Power, CEO of Antin Solar Investments, and co-head of renewable energy principal investments at Deutsche Bank. He has also worked as an infrastructure banker at Citigroup and Credit Suisse and in project financing at UniCredit. He began his career as a project manager at Snamprogetti (ENI), overseeing large EPC contracts.
Umberto holds a MS cum laude in Aerospace Engineering from University Federico II and an MBA from Columbia Business School as a Fulbright scholar.
Chris Deves
Name: Chris Deves
Position: Partner / Head of Investor Relations
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Chris is Partner and Head of Investor Relations, responsible for fundraising and client servicing globally.
Chris is an investor relations executive with extensive experience in partnering with global institutional investors, with a particular focus on infrastructure funds management.
Chris previously held various positions at AMP Capital, a global leader in infrastructure investing that during his tenure managed around US$14 billion in infrastructure. He was based across Sydney, Hong Kong, and Beijing. Most recently, he was country manager for China, where he oversaw relationships with sovereign and insurance clients. Prior to that, Chris established AMP Capital's institutional business in Korea. Chris also held leadership roles as Executive Officer for the Asia Pacific division and senior investment specialist for listed real estate.
Chris holds a Bachelor of Commerce and Arts from the University of Sydney and has studied at Beijing International Studies University and Korea University in Seoul. He is proficient in Mandarin and Korean.
Federica Gallina
Name: Federica Gallina
Position: Partner / Investment Principal and Head of Asset Management
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Federica is Partner, Investment Principal and Head of Asset Management, responsible for the overall management of investments in projects from deal sourcing through to exit, with a particular focus on origination as well as ongoing asset management
Federica has over two decades of experience in the energy industry and finance sector encompassing origination, asset management, M&A, business development, and project finance. Most recently, Federica was country head for Italy at Cero Generation, the solar development platform of Green Investment Group (GIG). Prior to this role, she held senior positions at ContourGlobal, Quercus Investment Partners, Antin Solar Investments, Absolute Energy Capital, and Deutsche Bank, the latter of which included three years based in London. Federica began her career in project finance at RBS and Edison. She has extensive experience across multiple renewable energy sectors including solar PV, wind, and biomass.
Federica holds a Bachelor of Economics from Bocconi University, Milan.
Ivor Frischknecht
Name: Ivor Frischknecht
Position: Managing Partner
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Ivor is Managing Partner, responsible for leadership of the firm and overseeing the investment activity. He is a member of the Board of Directors and the Investment Committee.
Ivor has extensive experience in the renewable energy sector, including setting up and serving as the inaugural CEO of the Australian Renewable Energy Agency (ARENA) with A$3.2 billion funding at the time, and holding various high-profile board and advisory roles in the clean energy sector since. Previously, Ivor led cleantech investing at Starfish Ventures, which was Australia’s largest venture firm at the time of his tenure.
Ivor has also been a senior contributor, including CEO and investor positions in California at wind, hydrogen, and fuel cell companies, as well as a clean energy investor. Ivor commenced his career in management consulting with Bain & Company, providing strategy services to large energy and telecommunications utilities.
Ivor holds degrees in Economics (honors) and Law from the University of Sydney and an MBA from Stanford University.
Chris Twomey
Name: Chris Twomey
Position: Partner / CFO and COO
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Chris is Partner, CFO and COO, responsible for managing the firm's finances and investment strategy. He is member of the Investment Committee.
Chris is a seasoned renewable energy professional with 15 years of global experience in operational and transactional roles with Atmos, Elliott Green Power, the Australian Renewable Energy Agency (ARENA), Deloitte, and PwC covering Australia, Asia and Europe.
Most recently, Chris served as the General Manager of Development at Atmos Renewables. Prior to that, Chris was the Head of Operations at Elliott Green Power, where he managed a A$500 million platform of solar assets from construction to operation. He has extensive experience with a variety of sustainable energy technologies, including solar, wind, and storage (utility scale battery and pumped hydro).
Chris holds a Bachelor in Business and International Studies (combined) from the University of Technology, Sydney. He also has a graduate diploma in Chartered Accounting and was admitted as a Chartered Accountant in 2013.
Careers at Sosteneo
Our workplace culture centres on being humble collaborators and confident professionals who strive for outcomes in an ethical and respectful way. We are motivated by making a contribution to the energy transition, and we bring to work a commercial and pragmatic mindset to the decarbonisation of energy.
If you think you would make a good fit, we are always on the lookout for skilled professionals who are committed to delivering strong investment results and an excellent client experience.