Martin Heimes – Curriculum Vitae

Martin Heimes has over 20 years of expertise from various high management positions. From 2007 - 2011 he was Finance Director at Siemens Fujitsu Computers. In 2007 Martin Heimes moved to Vestas Central Europe (CEU), where he was a member of the Management Board until 2011 and a supervisory board member of various Vestas country organizations. In 2011, the path to independence followed with the foundation of VentusVentures GmbH - today VentusVentures Holding GmbH.

Martin Heimes is co-founder and managing partner of Connected Infrastructure Capital GmbH, founded in 2018.

Hans Joern Rieks – Curriculum Vitae

Hans Joern Rieks has been successfully active in the wind industry business for over 25 years. He draws his extensive expertise in various high management positions, including from 1995 -1999 as CEO & President – Vestas Vestas American Wind Technology Inc. and from 1999-2013 as CEO – Vestas Central Europe A/S and member of the Executive Board – Vestas Wind Systems A/S.

After a stopover as interim CEO at Global Energy Services SA, Hans Joern Rieks joined Siemens Wind Power A/S in 2014 as CEO UNA and held the position of CEO EMEA – Siemens AG-Wind Power Division / SIEMENS Gamesa Renewable Energy GmbH from 2015 – 2019.

Hans Joern Rieks is co-founder and Managing Partner of CIC GmbH, founded in 2018. 

Lars Quandel – Curriculum Vitae

In his more than 20-year banking career, Lars Quandel has held various management positions, including in corporate banking, real estate, capital markets and derivatives. From 2004 to 2008, Quandel headed the Real Estate Structured Finance Team of Hamburg Commercial Bank in London and Hamburg. Since 2008 Lars Quandel has been active in the renewable energy sector. Until September 2019 he was Head of Energy & Infrastructure at Hamburg Commercial Bank. Since October 1st, 2019, Lars Quandel is Managing Director at CIC.

Christian Liebel – Curriculum Vitae

Since 2008 Liebel has held various key management positions. His last position was Managing Director at Momentum Deutschland GmbH.
He entered the wind industry in 2003 as Customer Relations Manager at NEG Micon. After the merger with Vestas Wind Systems A/S, Liebel laid the first foundations for the successful development of a sales and service organisation in Eastern Europe and the former Soviet Union in the position of Area Sales Manager for Vestas.

Bente Carstens – Curriculum Vitae

Bente Carstens has been working for the corporate group since April 2018. Initially as a Research Consultant at bizz energy Research. In April 2019, she became part of the wind and solar division which is managed by CIC since March 2020 as Senior Project Manager. Carstens completed her bachelor’s degree in Energy and Environmental Management (B.Eng.) at the University of Applied Sciences Flensburg in 2015, followed by a master’s degree in International Industrial Engineering and Management (M.Sc.) from 10/2015 at the Technical University Hamburg-Harburg.

Lena Schleyer – Curriculum Vitae

Lena Schleyer joined CIC in October 2020. As Commercial Director she is responsible for asset management as well as commercial optimization during the construction and operation phase of the wind energy and photovoltaic portfolio in Germany and abroad.

Lena Schleyer studied at the University of Karlsruhe and the Ecole de Management Lyon and graduated in 2007 with a degree in industrial engineering.  After her studies, Lena Schleyer initially worked for Siemens' internal strategy consulting department, then moved to Siemens Wind Power (later SiemensGamesa) in 2012, where she worked for more than ten years in various areas and functions, most recently as Head of Commercial Sales Eastern Europe and DACH.

Marie Louise Rieks – Curriculum Vitae

Marie Louise Rieks joined the company in June 2020, initially as Project Manager in Business Administration at VentusVentures Holding. In January 2021, she moved to Connected Infrastructure Capital, where she works as a Commercial Project Manager in Asset Management.

After graduating from high school in 2014, Marie Louise Rieks completed several internships at Vestas Central Europe, WKN and VR Bank Schleswig-Flensburg, among others. From 2016 to 2020, Marie Louise Rieks worked for the wind farm and substation management company WEB Andresen, where she completed a shortened commercial apprenticeship. Marie Louise Rieks worked in the commercial management of wind farms, in human resources and in marketing & event management.

Martin Heimes – Curriculum Vitae

Martin Heimes has over 20 years of expertise from various high management positions. From 2007 – 2011 he was Finance Director at Siemens Fujitsu Computers. In 2007 Martin Heimes moved to Vestas Central Europe (CEU), where he was a member of the Management Board until 2011 and a supervisory board member of various Vestas country organizations. In 2011, the path to independence followed with the foundation of VentusVentures GmbH – today VentusVentures Holding GmbH.

Martin Heimes is co-founder and managing partner of Connected Infrastructure Capital GmbH, founded in 2018.

Michael Brenske – Curriculum Vitae

Michael Brenske has many years of professional experience as an engineer. He spent eight years as a ship engineer in various ranks including chief engineer on cargo and passenger ships worldwide. After his time at sea, Michael Brenske worked for almost three decades as Project Manager and Sales Engineer International Large Plant Construction for Power Plant Technology and Mineral Processing in the FLS Group at FLSmidth Hamburg GmbH, and until 2019 also as Area Sales Manager Asia, Australia, Brazil and Israel.

Dennis Oestermann – Curriculum Vitae

Dennis Oestermann has been working as a student assistant in project management and technical/commercial management of wind and solar parks in the VENTUSventures Group since the beginning of 2018 (CIC since March 2020). Oestermann is a trained mechatronics engineer. He plans to complete his bachelor’s degree in Regenerative Energy Systems and Energy Management – Electrical Engineering and Information Technology at the Hamburg University of Applied Sciences in early 2021.