
IMAGINE __
EXPERTISE
BRIDGING
BOUNDARIES




CHANGES THE WORLD
WHAT WE THINK,

Team IMPCT
Tanja Ferkau, ocean lover and IMPCTivist
Founder and Managing Director
Graduated in Business Administration and Applied Cultural Studies from the University of Lüneburg. She has held various management positions in international corporations. Founder and Managing Partner of BRANDKiTCHEN (2004), a management and strategy consultancy. Founder and Managing Partner of IMPCT gGmbH (2017) and IMPCT for Change GmbH (2019), and Co-Founder and Managing Partner of SPORTS20 gGmbH (2023).
Member of the Science City Hamburg Advisory Board, Hamburg Chamber of Commerce Committee for Climate and Sustainability, co-founder of Hanseatic Help eV. 30 years of professional experience in business, science, and social innovation. Innovative business leader in the non-profit and commercial world. Driver of systemic change and innovation. Highly competent in bringing together and coordinating relevant stakeholders. Strong expertise in all facets of sustainability and the social challenges of our time. Profound executive experience in managing internal teams and external partners. 20 years as a private lecturer. Keynote speaker, including at COP.
Vanessa Wulff, eternal optimist and project developer
Conception, project management, fundraising
B.A. in Expressive Arts in Social Transformation (Hamburg Medical School). International experience: Founder and CEO of MANAVA – an intercultural fashion label (Goa, India); project management of a sociocultural aid project (Dang, Nepal). Advanced training in change and sustainability management (University of Hamburg); advanced training in management and corporate planning. Mentor and coach (Weichenstellung ZEIT-STIFTUNG and Schlaufox eV).
Sebastian Wüst, cyclist and sustainability scientist
Conception, strategy, project management
M.Sc. in Management & Business Development. Freelance work in academia and management consulting. Worked in the interdisciplinary continuing education program in environmental sciences at the FernUniversität Hagen and the Fraunhofer Institute UMSICHT in Oberhausen. Long-term research associate at Prof. Dr. Stefan Schaltegger Center for Sustainability Management at Leuphana University Lüneburg.
Niklas Schulz, amateur forester and all-round talent
Conception, project management, fundraising
M.A. in Transformation Studies from the European University of Flensburg. Focus: Approaches to dealing with today's multiple crises. B.A. in Business Psychology from BSP Business & Law School. Internship at Gruner + Jahr. Prior to his permanent position, he spent several years as a student employee at IMPCT gGmbH.
Diana Pauser, landscaper and strategic communicator
Conception, communication, project management
Graduate in Visual Communication. Copywriter, creative director, and concept designer. She has held many leadership roles in international advertising agencies. Teached at the Miami Ad School. Freelance creative consultant for NGOs (Greenpeace, BUND, and Cradle to Cradle NGO). Founder of a sustainability agency. She has further education in strategic sustainability management, certified sustainability executive, and strategic sustainability communication.
Esther Gummig, sailor, rower and artistic director
Design, conception, digital
Graduate in Communication Design. Art Director, self-employed after years of working at major agencies. Loves combining creativity with strategy – and combining this with emotional imagery. Because everything communicates. Focus on branding, corporate design, logo development, websites, advertising.
Cathi Allzeit, concert lover and rock in the surf
Project and Office Management
Event manager. Project management for events, management assistant, team assistant. Organizes our daily routine with passion and structure. Juggles accounting, appointments, fundraising, and spontaneous ideas with equal ease – always with an eye for the human touch. Amidst our nonprofit challenges, she stands for structure, warmth, and a huge dose of team spirit.
We are an alliance of experts
Our team comprises a wide range of backgrounds with expertise from business, civil society, scientific research and education. Our experience in impact management, strategy, organizational development, and entrepreneurship is extensive. Organizations benefit from our broad expertise and network. We are active in everything from sustainable education to international social enterprises in climate protection and various foundations. This breadth and depth of experience makes us unique.
We don't fit into boxes
Strategists? Navigators? Challengers? We consciously avoid any of the common labels. Our approach is based on dialogue and partnership, and the sincere intention to be fundamentally effective. This ranges from peer-to-peer consultation to long-term, integrative collaboration. Our versatility allows us to offer precisely the right combination of capabilities for the task at hand, and the tools necessary to achieve the greatest possible impact with reasonable resources.
We think in synergies
Our core team is complemented by a top-class network of experts from politics, business, and civil society. They bring the missing piece of the puzzle to bear when complex challenges require it. This dynamic expansion makes us agile and multifaceted: We combine profound expertise with a systemic vision – creating solutions that not only fit but also deliver.






