oikos Consulting Presents
ImpacTalks
The most impactful way to communicate is by talking. We acknowledge the power words hold and create a space for our team and community to share an insightful conversation around a certain theme.
The most impactful way to communicate is by talking. We acknowledge the power words hold and create a space for our team and community to share an insightful conversation around a certain theme.
An hour of inspiring conversation on sustainability, consulting, and more!
With new guest speakers every session, we do a deep-dive into the guests’ journey with consulting and sustainability. As guests answer the questions from the host and the listeners, we hear more about their personal experience and get inspired. We invite our community to spend a meaningful hour with us!
Founder of Create Change
16 April 2026 | Online

Trainer & Consultant fostering Global Research Equity through Open Science practices
11 March 2026 | Online
What does it take to make research more open, inclusive, and impactful for society?
In this conversation, we explore with Johanna Havemann,Dr. how Open Science can drive sustainable change in research and empower scientists around the world. From strengthening research visibility to building equitable knowledge ecosystems, this episode highlights why openness and collaboration are essential for the future of science.
We also discuss inspiring initiatives like AfricArXiv and the work of Access 2 Perspectives, which are helping reshape how knowledge is shared globally.
Entrepreneur
25 February 2026 | Online
In Episode #13 of ImpacTalks, we welcome Laura Payer, Founder of The Ambassador Factory, to discuss how organizations can build authentic and credible employer brands.
The conversation explores why effective employer branding must start internally, with employees who genuinely represent the company’s values. Laura also shares insights on how sustainability initiatives gain credibility when employees actively embody them, and why many companies still misunderstand the expectations and motivations of Gen Z in the workplace.
Finally, the episode highlights an essential communication principle: authenticity matters more than volume. Companies that focus on real stories and engaged people are far more likely to build trust and long-term reputation.
Listen now and discover how employees can become a company’s most powerful ambassadors.
Senior Consultant for Decarbonization
21 January 2026 | Online
Managing sustainability or managing our vision for the future?
Celine joined us to discuss her career and her vision for ESG management. We talked about what’s driving trends in the sustainability field and how important soft skills are for managing the sustainability of businesses. It is a good node to re-think our mindset and expectations around sustainability and green business practices.

Co-Founder of AITARK
17 December 2025 | Online
As we conclude our year with the eleventh session, we discussed Simon’s AI-powered sustainability reporting platform AITARK. He shared his learnings throughout the process of building his startup, as well as how AI can be useful for both business applications and green innovation.

Sustainability Education & Impact Entrepreneur
19 November 2025 | Online
For Episode #10 of ImpacTalks, we welcome sustainability expert Johanna Wagner to explore how emerging trends are reshaping the future of impactful work. Together, we dive into what it means to redefine impact careers, strengthen sustainability in hospitality, and design green finance that truly works. We also examine how education systems can become more future-ready and why green skills are rapidly rising across industries. With Johanna’s deep expertise and our shared commitment to empowering the next generation of sustainability leaders, this episode offers practical insight and inspiration for anyone driving meaningful change.

Freelance Sustainability Consultant
10 September 2025 | Online
Community, Action, and Impactful Work: How is Gen Z dealing with Climate Anxiety?
Sophia Perez shared her journey into the world of sustainability and impact-driven work with us. We discussed the importance of mental health in relation to environmental stressors, the need for meaningful work, and the role of community in fostering change. Sophia emphasized the significance of reconnecting with nature, diversity in the workplace, and the necessity of rethinking corporate values to align with the common good. The conversation also touched on the challenges faced by the younger generation in today’s economic climate and the impact of social media on mental health. Ultimately, the discussion highlighted the importance of taking action and finding happiness through community engagement and personal growth.
19 August 2025 | Online
16 July 2025 | Online
26 June 2025 | Online
By sharing his journey from being an aspiring tennis professional to online entrepreneur focused on sustainability communications, Clemens emphasized the importance of positive news, the challenges of reaching audiences with uplifting content, and the impact of social media algorithms. We also dove into sustainability communication, the role of AI in content creation, and strategies for engaging audiences effectively. Clemens’ insights highlight the need for a balanced approach to media, emphasizing the importance of both positive messaging and the responsible use of technology.
14 May 2025 | Online
After Neema shared her education and career timeline, we dove into her journey of being an entrepreneur in tech. Her expertise in the ethics of AI helped us understand the importance of finding the balance between digital connection and surrender. While we learned about the potential improvement points of AI, she also talked about the role of technology in underdeveloped countries.
Greatest thanks to her for spending time with us and creating this engaging conversation!
9 April 2025 | Online
Thinkubator Co-Founder Alexandra Kick joined our session and talked about her career journey and her organization. With her entrepreneurship expertise, we successfully created a discussion around the connection between gender equity and climate action. As the listeners joined with their ideas and observations, we talked about the importance of creating collaborative spaces for underrepresented groups to empower and encourage them to act.
12 March 2025 | Online
Our guest speaker and oC Partner Stella Marie Viereck shared her expertise with us on how to create impact within our work and life. With the questions from our community, we shaped the conversation to touch upon role of gender in motivation and confidence. While acknowledging the first step is the hardest to take, Stella had many advice to those who do not feel confident enough to take a risk. Greatest thanks to our brilliant partner for her time, looking forward to collaborating with her on upcoming projects!

Sustainability Consultant & oC Partner
19 February 2025 | Online
Our guest speaker and oC Partner Elisabeth Obermann shared her journey and insights on the field and community! During this session, we discussed personal growth, finding the balance, and how to stay connected with ourselves and our community. Grateful for the time and wisdom Elisabeth has shared with us and the listeners who joined!

ESG Manager & oikos Alumnus
9 January 2025 | Online
Our guest speaker Benoit Pitsaer told us about his career journey, how he navigates keeping connected to his community and more! During this session, we have discussed our personal motivation and optimism about the future. With such an insightful start to our year, we aim to keep our vision clear and motivation high. Greatest thanks to our supporter and friend Benoit for his time and wisdom!