Company
On 15 June 2016, the company was established by the partners Erck Rickmers, Jan Rouven Künzel and Theja Geyer. With QUEST Investment Partners, experienced entrepreneurs from Hamburg aim to set new standards in real estate project development and management.
Managing directors
The QUEST Investment Partners team has far-reaching experience in the development of retail, office, residential and speciality real estate. In the area of development and assetmanagement, QUEST offers the holistic range of services for real estate. The development, realization, structuring and management of real estate.

Jan Rouven Künzel
Jan Rouven Künzel is a partner and managing director of the QUEST Investment GmbH. He is the head of the units New Business, Project Development, Finances and Organisation.
Curriculum Vitae
_
On behalf of the Art-Invest Real Estate group of companies, he was, as a partner, responsible for the business activities of the group in Hamburg and nationwide for the business unit Retail._
Prior to this, Jan Rouven Künzel developed for seven years highstreet projects for the private investors of the B&L Group in Germany. As a branch manager for IVG, he established the development business in Hamburg and was additionally responsible for the asset management for all real estate properties in Hamburg and Northern Germany with an overall value of EUR 1.6 billion. After that, he assumed in the role of a managing partner of Waterbound Real Estate the responsibility for the project developments of the Mayfair AG._
Jan Rouven Künzel is a trained Diplom-Ingenieur (graduate engineer) of Architecture (Campus Kiel) und Diplom-Ökonom (qualified economist) (ADI – Berufsakademie Stuttgart).

Theja Geyer
Theja Geyer is a partner and managing director of the QUEST Investment GmbH. He is the head of the units Project Development, Investment, Asset Management as well as Planning and Construction.
Curriculum Vitae
_
On behalf of the Art-Invest Real Estate group of companies he was, as a partner, responsible for the project Alter Wall in Hamburg with a volume of EUR 250 million._
Prior to that, Theja Geyer was the authorized signatory of Waterbound Real Estate and in this capacity he was responsible for the project in the project development for the Mayfair AG. At IVG, he was responsible for the rental business, the project development and the asset management inter alia for the European headquarters of the Hermes Logistikgruppe. Being an architekt with GKK (Gössler, Kinz, Kreienbaum), he developed for the private investors such as the B&L-Group office and retail objects in Hamburg._
Theja Geyer is Diplom-Ingenieur Architect (graduate engineer and architect) (Campus Brunswick)
Managing
Director

Ulrich Rössing
Ulrich Rössing is Managing Director at QUEST Management GmbH, in charge of technical development, investment management as well as the planning and construction division.
Curriculum Vitae
_
Ulrich Rössing worked at ECE Projektmanagement G.m.b.H. & Co. KG in Hamburg for more than twelve years. Since 2008, he had been in charge of project and construction management of the office, traffic and industry projects in his capacity as Director Construction. He was also Managing Director of several general contractor companies._
From 2017 to 2020, he served as Managing Director of DSR Immobilien GmbH in Hamburg and Rostock, where he was responsible for the technical project development and the project management of various holiday hotels and resorts._
Prior to that, he carried out planning-related work as a freelance architect and was subsequently employed by a general contractor operating across Germany for several years. Here, his responsibilities included tenant and planning coordination._
Ulrich Rössing graduated at Leipniz University in Hanover. As an architect, he is a member of the Hamburg Chamber of Architects.
Managing
Director

Dr. Ricardo Alvarez
As Commercial Managing Director at QUEST Management GmbH, Ricardo Alvarez is in charge of Finance, Operations and Human Resources.
Curriculum Vitae
_
In his role as Head of Controlling, Organisation & Insurance at Deutsche Afrika-Linien & John T. Essberger in Hamburg, Ricardo Alvarez was in charge of business planning, investment and divestment, digitalisation of business processes as well as risk management and reporting from 2008 to 2020. He was also responsible for insurance contract design and claims settlements across the entire group of companies._
From 2001 to 2008, he worked at Deloitte Consulting and Arthur Andersen Business Consulting as Project Leader. His activities focused on finance transformation projects, incl. controlling, accounting and IT subjects at listed companies in Bonn, Munich, Tokyo and Johannesburg._
Ricardo Alvarez holds a doctorate in law and a Bachelor Professional of Accounting (CCI). He has degrees from the Universities of Mainz and Bonn, the Instituto de Empresa in Madrid, Copenhagen Business School and City University London
Head of Sourcing & Acquisitions

Valeria Naumenkova
Valeria Naumenkova is Director of Sourcing & Acquisitions at the Berlin office. She is responsible for the purchase and sale of real estate investments.
Curriculum Vitae
_
Prior to that, she worked as an investment broker in the office and retail sector at Cushman & Wakefield in Berlin for four years. After studying real estate economics, Valeria Naumenkova spent five years working from London and Milan as an independent broker for cement products on the Russian market. During her studies she was a working student at Hines Immobilien GmbH in the sales division for closed-end real estate funds for two and a half years. She was also an intern in the fields of real estate finance and debt sales at Merrill Lynch in Frankfurt._
Valeria Naumenkova holds a Bachelor of Arts in Real Estate Economics. She completed her studies at the University of Applied Sciences and Arts in Holzminden and at the School of Surveying at Kingston University in London.
Head of Transactions & Partnering

Luis Walther-Kraft
As Head of Transactions & Partnering, Luis Walther-Kraft is responsible for the purchase and sale of real estate as well as for partnerships with third-party investors (joint ventures).
Curriculum Vitae
_
Luis Walther-Kraft previously worked at GLL Real Estate Partners in Munich and Paris on the purchase and sale of real estate in the pan-European sector. He was involved in transactions amounting to 500 million euros._
Prior to that, he worked for a company valuing European real estate._
Luis Walther-Kraft completed a Master of Science in Real Estate at the IREBS International Real Estate Business School in Regensburg and at Henley Business School in Reading, UK.
Head of
Leasing

Kira Groth
As Head of Leasing, Kira Groth is in charge of leasing all the properties in the QUEST portfolio across the various locations.
Curriculum Vitae
_
Since 2016, Kira Groth has been working for QUEST Investment Partners in Hamburg as Project Manager and Senior Investment Manager. She has overseen numerous projects, including listed properties. Since 2021, she has also been managing all activities related to the leasing of the properties._
She previously worked at the publicly listed construction group Hochtief for six years, most recently as Senior Project Developer. During this time, one of her responsibilities was the Hamburg Heights district development project with an investment volume of around 180 million euros._
Kira Groth holds a degree in urban planning (Diplom-Ingenieurin für Stadtplanung) from Hamburg University of Technology and HafenCity University in Hamburg.
Branch Manager Berlin

Arne Siemens
Arne Siemens is Branch Manager at QUEST Management GmbH in Berlin. He is in charge of the new business, project development and financing of the Berlin real estate portfolio.
Curriculum Vitae
_
Until 2017, he worked as Project Lead and Investment Manager at the Art-Invest Real Estate Group, where one of his responsibilities was the shopping and office complex Alter Wall in Hamburg, valued at 250 million euros. In addition, he oversaw various sales and acquisitions as well as real estate developments in Berlin and Hamburg for Art-Invest. At ECE Projektmanagement GmbH & Co. KG, he worked in transaction management for several years._
Arne Siemens holds a Master of Science in International Project Management from Glasgow Caledonian University as well as a Bachelor of Arts in International Real Estate Management from Aschaffenburg University of Applied Sciences.
Branch Manager Munich

Thomas J. Eirich
Thomas J. Eirich is Branch Manager and Senior Investment Manager at QUEST Management GmbH in Munich, in charge of the new business, development and financing of the Munich real estate projects.
Curriculum Vitae
_
He spent five years as Deputy Director and Fund Manager in the real estate division of the investment company Invesco Ltd. During this time, he was responsible for global transactions of logistics, office, residential and retail properties worth 1.3 billion euros. He also gained previous experience in fund and investment management at Hines and MEAG Asset Management._
Thomas J. Eirich holds a Master of Science in Real Estate from Henley Business School in Reading, UK, and from IREBS in Regensburg. He completed a Bachelor of Science in Business Administration at Ludwig Maximilian University in Munich.
Strategy
The development of continuously lucrative real estate by a combination of the factors:
location – project ideas – capital – timing
QUEST has the access to the market, the resources and the expertise to develop real estate to the next level or from scratch. In the selection of the locations, QUEST is focussing in the field of office premises on urban ares (City and district locations) in Hamburg and Berlin as well on good central locations (prime locations) of German urban centers in the area of retail developments. Due to longterm connections and the good relationship with the tenants, new project ideas evolve even before the acquisition of real property.
Investment strategy
The aim is the creation of core real estate. Investments are only made in very good locations. There, the quality of the object is constantly improved.
The creation of values through:
- Development of projects
- Refurbishment and repositioning
- Improvement of the rental and revenue situation

Management
The QUEST Management GmbH is operating a holistic and sustainable real estate management.
From the analysis of the special given realities of an object through the establishment of building laws and the solving of complex settings of tasks regarding constructional matters to the precise and cost-efficient management, QUEST is controlling any and all stages of the value-added chain of real estate. In the realization of sophisticated retail estates or modern office premises QUEST ensures from the start a smooth process through a close cooperation with the authorities, municipalities and project partners as well as the proven cooperation with renowned architects and consulting engineers.
Investment
Investment model
QUEST Investment Partners offers investments in German real estate with an holistic asset management and project development approach for commercial and office buildings. In the interest of the investors, QUEST counts on quality and individuality.