Manuel Sieth, Geschäftsführer/CFO at Tion Renewables

Manuel Sieth

Geschäftsführer/CFO at Tion Renewables | Frankfurt, Hesse, Germany

Profile last verified July 2026
Renewables & Environment Verified Profile Frankfurt, Hesse, Germany University of Münster
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Personal Email

***@googlemail.com

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Phone Number

+49*****

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Manuel Sieth Socials
Manuel Sieth Work Experience

Geschäftsführer/CFO at Tion Renewables in October 2025 - Present

CFO at clearvise AG in July 2022 - October 2025

Head of Finance at clearvise AG in May 2021 - July 2022

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Head Of Finance at ABO Invest AG in July 2020 - May 2021

Senior Portfolio/Investment Manager at Talanx Group in October 2017 - June 2020

Project Manager Finance and Sales at ABO Wind AG in October 2013 - August 2017

Risk Manager Project Finance at LBBW in October 2011 - October 2013

Manuel Sieth Education

University of Münster, Master's degree, August 2026

RWTH Aachen University, Master's degree, August 2026

Baden-Wuerttemberg Corporate State University, Bachelor of Arts (B.A.), August 2026

Manuel Sieth Skills
Financial Analysis Project Finance Contract Negotiation Cash Flow Modelling VBA Renewable Energy Energie Finanzmodelle Projektmanagement
About Manuel Sieth’s Current Company
Tion Renewables

Headquartered in Munich, Germany, we are a digitally enabled renewable energy producer, committed to accelerating the energy transition. Backed by our shareholder EQT Group, we invest in, build, operate, and continuously optimize solar PV and onshore wind projects as well as battery energy storage systems across selected core markets in Europe. By concluding long-term PPAs and acquiring projects with guaranteed feed-in tariffs, Tion generates predictable revenues and stable cashflows. Driven by passion and a focus on operational excellence, we combine deep expertise in investment and finance, renewable energy markets and energy management, as well as digitalization. With a balanced portfolio across technologies and regions, we continuously work to maximize the value of our projects and the green energy they generate. Tion not only benefits from EQT's financial strength but also its long-standing experience in renewables and access to a global network of over 600 industrial advisors. On an ambitious growth path toward 3 GW by 2030, we build long-term partnerships based on agility and trust – shaping the future of renewable energy together. We empower the energy transition.

Discover more about Tion Renewables
Manuel Sieth’s Colleagues
Ingmar Helmke

Ingmar Helmke

Munich, Bavaria, Germany

Rechtsanwalt / Attorney-at-law

CEO at Tion Renewables
(Jan 2025 – Present)

David Willemsen

David Willemsen

Munich, Bavaria, Germany

COO at Tion Renewables

COO at Tion Renewables
(Apr 2025 – Present)

Gonzalo Velasco

Gonzalo Velasco

Madrid, Community of Madrid, Spain

MBA - IE Business School | Investment Director at Tion Renewables

Investment Director at Tion Renewables AG
(Jun 2024 – Present)

Sathyajith Saisridhar

Sathyajith Saisridhar

Greater Munich Metropolitan Area

Strategy and Operations @ Tion Renewables | MBA Graduate | Corporate Strategy | Strategy Consulting | Digital Transformation | Strategic Program Management | Sales Operations and GTM

Intern- Strategy and Operations at Tion Renewables
(Jul 2025 – Present)

Ali Salman

Ali Salman

Frankfurt Rhine-Main Metropolitan Area

Implementing CSRD | CSDDD | LkSG | ESG | Sustainability | Sustainable Finance | Energy Transition | Climate Policy | ESG Regulatory Compliance | ESG Reporting | Sustainability Risks | SFDR | EU Taxonomy | ISSB | TCFD

Tion, including its subsidiaries, is an independent power producer from renewable resources that is evolving into a company that invests in the energy transition on a broader basis, starting with acquiring battery storage system and exploring opportunities to channel instituti...

Martin Lemmer

Martin Lemmer

Munich, Bavaria, Germany

Head of Investment Management

Head of Investment Management at Tion Renewables
(Jan 2026 – Present)

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Frequently asked questions about Manuel Sieth

What is Manuel Sieth email address?

Email Manuel Sieth at [email protected]. This email is the most updated Manuel Sieth's email found in 2026.

What is Manuel Sieth phone number?

Manuel Sieth phone number is +491635957144.

How to contact Manuel Sieth?

To contact Manuel Sieth send an email to [email protected]. If you want to call Manuel Sieth try calling on +491635957144. (updated on July 2026)

What company does Manuel Sieth work for?

Manuel Sieth works for Tion Renewables.

What is Manuel Sieth's role at Tion Renewables?

Manuel Sieth is Geschäftsführer/CFO

What industry does Manuel Sieth work in?

Manuel Sieth works in the Renewables & Environment industry.

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