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Creating Places,
Connecting People

We are already pretty good at that.

For over 50 years, GSG Berlin has been one of the key players in the Berlin economy. Student protests and squatters, the fall of the Berlin Wall and government relocation, the New Economy and its crash, cluster strategy and startup boom – keywords like these represent the eventful history of Berlin as well as the GSG over the past five decades.

Find out more by scrolling to the end of the page!

1965

1965–2023

The continuous work of GSG is closely intertwined with the development of the city, particularly with that of Berlin’s business sector. It has always been an important part of Berlin’s urban development and economic promotion. With over 40 locations, GSG Berlin provides suitable space for small and medium-sized enterprises, which form the backbone of the Berlin economy, to realize their entrepreneurial ideas. In the process, products and services “made in Berlin” are often created, which often shine beyond the borders of the capital city.

2,000

or more rented offices in Berlin
Büros in Berlin
Large, small, narrow, wide, tall, deep. We offer the appropriate office or commercial space for almost every requirement.

35

commercial courtyards in Berlin
We foster the growth of communities and provide diverse people with the opportunity to come together.

The portfolio ranges from traditional commercial courtyards with brick facades to modern commercial parks. The spaces provided by GSG are versatile in their usage. Whether it’s office space, commercial/production facilities, or storage space, small and medium-sized enterprises can find the suitable rooms ranging from 20 to 20,000 square meters, with room for growth.

58

years of impressive history
Click on the image to learn more about our history!

1

a really great team.
We are the GSG Berlin.

Get to know the leadership team

Oliver Schlink

Oliver Schlink

Chief Financial Officer (CFO)

Oliver Schlink

Chief Financial Officer (CFO)

Oliver Schlink has been the commercial CEO of GSG Berlin since 2010 and in 2014 he also became a member of the Board of Directors of CPI Property Group, the parent company of GSG Berlin. Oliver began his professional career as a senior consultant at KPMG. In 2001, he joined the newly founded Deutsche Annington, where he worked for nine years – mostly as head of controlling and one year as managing director of business management for the Westphalia region.

Thomas Ostermann

Thomas Ostermann

Chief Operating Officer (COO)

Thomas Ostermann

Chief Operating Officer (COO)

Thomas Ostermann, Certified Real Estate Investment Analyst (IREBS), has been COO of GSG Berlin since 2023. Thomas has many years of industry experience in commercial real estate. Prior to joining GSG Berlin, Thomas held various leadership positions at major real estate companies, including Managing Director at CELLS Group in Berlin and authorized officer at POLIS Immobilien AG.

Wolfgang Falk

Wolfgang Falk

Head of Technical Services

Wolfgang Falk

Head of Technical Services

Wolfgang Falk has been Head of Technical Services, Project Development, Mobility Program, as well as Health and Safety Officer and Compliance Officer since 2004. He is also a director of GSG and its affiliated companies, as well as Managing Director of CPI Next Level Ventures GmbH, GSG Berlin Invest GmbH and Gebauer Höfe Liegenschaften GmbH. Wolfgang began his career in 1992 as Assistant to the Board of Directors at Leffers and Partner, and subsequently held various leadership positions at important real estate investment firms, including Head of the Turnkey Construction Department at Fränkelbau GmbH and Managing Director of Projekta Bauträger GmbH.

Jens Albrecht

Jens Albrecht

Head of Innovation

Jens Albrecht

Head of Innovation

Jens Albrecht joined GSG Berlin in 2022 and is the Head of IT and Innovation. He has extensive knowledge in digital transformation and design thinking, sustainable strategies, and innovative technologies. Prior to joining GSG Berlin, Jens worked as an Education Coach at the German Trade Union Confederation (DGB), a researcher and interviewer of decision-makers at aproxima Market and Social Research Weimar GmbH, a research associate and project manager at the Innovation Center for Mobility and Societal Change (InnoZ), a design thinking coach and innovation facilitator at the Hasso Plattner Institute Academy (HPI), as well as a senior digital innovation consultant and strategic sales expert at T Systems International GmbH (TSI).

Gabriela Els

Gabriela Els

Head of Real Estate Management

Gabriela Els

Head of Real Estate Management

Gabriela Els joined GSG Berlin in 2007 and is the Head of Real Estate Management as well as a Managing Director of GSG and its affiliated companies. Gabriela has extensive business experience in leadership positions in German property management and administration companies (Catella Property Management GmbH, BB Hausverwaltung GmbH, Bavaria Stadt und Land and ARWOBAU Apartment and Wohnungsbaugesellschaft mbH). In addition, Gabriela is responsible for training for vocational training (specializing in real estate) within the company.

Can Erden

Can Erden

Head of Controlling

Can Erden

Head of Controlling

Can Erden started working for the group as a controller in 2007 and took over the management of controlling in 2008. In 2012, Can moved internally to GSG Berlin and has been working there as Head of Controlling and Insurance Officer ever since. Can has many years of professional experience and was previously employed as a controller at HOCHTIEF Group at Streif Baulogistik GmbH, Viterra Development (now Vonovia), and GAGFAH S.A. (now Vonovia).

Michael Mandla

Michael Mandla

Head of Marketing & Communications

Michael Mandla

Head of Marketing & Communications

Michael Mandla founded the agency berlinerfreunde GmbH & Co. KG in 2004 and has been the owner since then. In 2008, he started as a project manager for marketing & events at Hertha BSC, took over the management in 2013, and moved on to the Artprojekt Group in 2018, followed by positions as head of marketing at Wettstar GmbH and Orlen Deutschland GmbH. Since 2022, he has been employed as Head of Marketing & Communications at GSG Berlin.

Nico Knäusel

Nico Knäusel MRICS

Head of Asset Management and Leasing

Nico Knäusel MRICS

Head of Asset Management and Leasing

Nico Knäusel MRICS started his real estate career in 2010 at STRABAG Property and Facility Services GmbH, and in 2016 he joined GSG Asset Management GmbH, a wholly-owned subsidiary of GSG Berlin, as a leasing manager. Nico holds a degree in Diplom-Immobilienökonom (ADI), is a Certified Property Manager (IREBS), a Real Estate Investment Advisor (EBS), and an Immobilien Asset Manager (EBS). He is also a member of the Royal Institution of Chartered Surveyors (RICS). In addition to his role as a authorized signatory at GSG and its affiliated companies, Nico is been heading the Asset Management and leasing department.

Alexander Lukas

Managin Director of Hofnetz

Alexander Lukas

Managin Director of Hofnetz

Alexander Lukas began his IT career at GFAD Systemhaus AG in 2007. In 2011, he moved to ORCO Immobilien GmbH (now CPI Next Level Ventures GmbH) as a Senior Network Engineer. In 2012, he transferred within the group to Hofnetz und IT Services GmbH, a wholly-owned subsidiary of GSG Berlin. He is now the Managing Director and Head of Hofnetz. Additionally, Alexander is responsible for training apprentices in the company’s vocational training programs for IT system integration and IT system management.

Gökhan Olkun

Gökhan Olkun

Head of Energy and Sustainability Management

Gökhan Olkun

Head of Energy and Sustainability Management

Gökhan Olkun started working at GSG Berlin in 2020 and created the new department of Energy and Sustainability Management. Since 2022, Gökhan has been the Head of Energy and Sustainability Management. He began his career as a project engineer and LEED Green Associate at Intep Integrale Planung GmbH, and in 2017 he moved to B.E.M. Berliner Energiemanagement GmbH, where he worked as a Senior Energy Manager. Gökhan is also a certified energy auditor.

Christian Schmidt

Christian Schmidt

Head of Accounting

Christian Schmidt

Head of Accounting

Christian Schmidt worked as a commercial employee at Brunswick Bowling for 2.5 years before joining GSG Berlin in 1983 and focusing on financing, real estate and accounting. Since 2003, Christian has been Head of Accounting and Prokurist at GSG and its affiliated companies.

Heiko Jilge

Heiko Jilge

Head of Accounting

Heiko Jilge

Head of Accounting

Heiko Jilge works as Head of Accounting for GSG Berlin since 2023. Before joining GSG Berlin, Heiko was working a. o. as a Clerk at together group HR Services GmbH, tax accountant assistant at BDO AG Wirtschaftsprüfungsgesellschaft, at Marcol European Services S.à r.l. initially Senior Analyst Accountant and then Team Lead Tax & Accounting, also Head of Accounting Property Management at TLG IMMOBILIEN AG and most recently Director Finance at CELLS Property Investors GmbH.

Gisbert Schwarze

Gisbert Schwarze

Head of Legal Department

Gisbert Schwarze

Head of Legal Department

Since 2012, Gisbert Schwarze has been the Head of the Legal Department and a proxy holder at GSG and its affiliated companies. In addition, he works as a data protection officer in the company. Gisbert has many years of professional experience in the areas of real estate, tenancy, corporate, and contract law. Before joining GSG Berlin, he worked as a legal advisor at Tower Management GmbH, Restaura GmbH, and Ernst / Köhler & Klett Rechtsanwälte law firm, and in 2005 founded a law firm with a focus on civil law, especially tenancy law.

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