Our Team

Our team thrives on its diverse characters. Technological know-how and economic expertise are firmly established in our company. Furthermore, practical relevance is very important to us and we can incorporate our own start-up experience. Our staff’s qualifications go beyond the bounds of the start-up industry. Accordingly, the BerlinerStrategen are characterized by individually gained perspective as well as a common interest in foresight, new ideas and breaking new ground with our clients.
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Portrait - Tilman Süss Round circle surrounding portraits

Tilman Süss

Managing Director, Coach and Consultant
Technical studies in Berlin and London in addition to an early affinity have provided Tilman with an in-depth understanding of digital media. Various start-ups and digital projects eventually led to him founding the BerlinerStrategen in 2011. Apart from managing director he is now Business Angel, consultant for business strategy and financial matters as well as management coach and lecturer. As recommended lead coach for Berlin’s universities he does not only advise businesses, but also scientific teams and spin-offs. Besides that, he volunteers as mentor, jury member and consultant.
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Portrait - Oliver Hasse Round circle surrounding portraits

Oliver Hasse

Managing Director, Consultant
With more than 15 years of experience in the private and public sectors, Oliver’s key areas of expertise include corporate, business and product strategy, finance and strategic business development for technology-driven companies. Prior to his current role, Oliver advised clients on these topics as a senior manager with a major international consulting firm. Oliver also has significant expertise in the public sector, having worked with both the EU, the German Bundestag as well as several governments. Besides his professional roles, Oliver is member of the Alumni Council of the ESMT, member of the Freunde der Pinakothek der Moderne e.V. and, since 2011, acts as a mentor to start-up companies.
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Portrait - Robert Sternberg-Raasch Round circle surrounding portraits

Robert Sternberg-Raasch

Corporate Finance Consultant
Robert has extensive experience in Corporate Finance and international credit matters of large financial institutions. His career includes a number of credentials and awards of recognised international magazines in areas of structured commodity trade finance, including TFR Deal of the year 2012. Already during his studies of international business administrations in Frankfurt and Hawaii, Robert founded the first companies and gathered experience in self-organised IPOs. With regards to BerlinerStrategen, Robert is drafting grants and support application for start-ups and consults our customers on corporate finance matters and contractual drafting.
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Portrait - Mathias Dumke Round circle surrounding portraits

Mathias Dumke

Corporate Finance Analyst
After graduating in business administration, Mathias has gained a comprehensive knowledge of financial and accounting issues while working for an internationally orientated Berlin tax consultancy for several years. Through many fiscal assistance projects with Berlin based start-ups he also has become an expert with the local start-up scene. Besides, Mathias supported a wide range of SMEs in preparing their bookkeeping, tax returns, balance sheets as well as fiscal registration. At BerlinerStrategen Mathias assists clients with the preparation of business plans as well as grant applications and is a contact person for all issues that relate to the foundation of a company.
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Portrait - Britt Perlick Round circle surrounding portraits

Britt Perlick

Consultant Education / Public Sector
Having worked many years for the start-up promoting programmes at Freie Universität Berlin and being responsible for setting up sales structures for the companies of young founders, Britt gained a sufficient knowledge in the Organisational Consultancy. In addition to her in-depth knowledge in start-up project evaluation and innovations, she is also very confident with organization and implementation of workshops on the subject of business formation. In accordance with her skills and methodologial expertise in the field of developing the business models and ideas, Britt supports Berliner Strategen in accomplishing the workshops for the start- ups, established companies and universities. Moreover, she offers business and management coaching and will be in charge of creating the new event concepts.
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Portrait - Thomas Dünwald Round circle surrounding portraits

Thomas Dünwald

Junior Consultant
Thomas is our leading expert in environmental protection and ecology. During his time as a student of geography, urban planning, and environmental management Thomas could also already gain significant experience in the field of international and intercultural cooperation as he took part in workshops, excursions and research trips in Southeast Asia, sub-Saharan Africa, and the US. After completing his master’s, he worked at the Delegation of German Industry and Commerce in Nairobi. At BerlinerStrategen Thomas works at our development aid, environmental protection, and education projects.
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Portrait - Inga Markwart Round circle surrounding portraits

Inga Markwart

Project Development
Inga knows the opportunities and challenges of partnerships between German companies in emerging markets, especially in post-Soviet countries. Within the BMWi Manager Training Program she trained executives of foreign SMEs and established business contacts with German companies. As an Integrated Expert of GIZ, she recently founded the German Business Association (DWV) in Armenia. Currently, she is consulting a GIZ project on the establishment of an industrial zone for Syrian-Armenian entrepreneurs in Yerevan. Using her profound experience in international cooperation, Inga supports BerlinerStrategen in development of international projects.
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Portrait - Julian Grevesmühl Round circle surrounding portraits

Julian Grevesmühl

Student Employee
Julian is studying chemistry and economics at the Westfälische Wilhelms-Universität Münster and supports our team as a working student