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Clean Catalyst

Clean Catalyst

By: Richa Pathak
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The Podcast connecting breakthrough cleantech companies with investor and entrepreneurial communities The purpose of this podcast is to be a connector of early-stage cleantechs with early-stage investors, talent and customers. The aim is to connect the entrepreneurial community to create and scale ideas into environmentally impactful and sustainable businesses.© 2025 Clean Catalyst Economics Leadership Management & Leadership Personal Finance
Episodes
  • Season 4: Episode 5 - Fiona Kelleher - CEO and Cofounder @ MyGug
    Sep 19 2025

    Fiona Kelleher (CEO), along with her husband Kieran Coffey (CTO) cofounded Amugreen and MyGug to offer renewable energy digesters at scale. After 5 years and having raised nearly a million, they are well on their way to making MyGug a household name.

    With over 25 years of experience across design engineering, production, water services, and site management, Kieran invented this sustainable energy producing system that can be used to generate biogas as well as organic fertilizer!

    In this episode, Fiona shares the story of how MyGug (named after the colloquial term in Ireland for an egg) was formed and how they are offering large-scale solutions, including at community level, to create a micro-circular ecosystem that turns food waste into multiple energy products.

    Tune in to this episode to hear more and discover how we all can switch to using sustainable, renewable energy that we can produce from our own kitchen! and don't forget to share your feedback.

    Visit us on our Clean Catalyst LinkedIn page and do share your feedback!

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    34 mins
  • Season 4: Episode 4 - Sarah Fliessbach - CEO and Founder @ Shareclub
    Sep 4 2025

    Continuing our series of amazing women founders of cleantech companies in Ireland, we are proud to present a brand new episode featuring the story of Sarah Fliessbach from Shareclub.

    Having moved across to Ireland from her home country Germany, Sarah saw how Ireland is one of the largest consuming countries of single-use plastic.. And she immediately went about fixing the problem by setting up her own venture - Shareclub!

    Shareclub is an App-enabled ecosystem of reusable containers, starting with tackling the omni-present take-away coffee cup. They are scaling through enterprise customers and large events alike - they recently helped the Dublin Coffee Festival completely avoid the use of single use cups!

    Tune in to hear her story and ambition and don't forget to leave your feedback.

    Visit us on our Clean Catalyst LinkedIn page and do share your feedback!

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    28 mins
  • Season 4: Episode 2 - Kate Williams - CEO and Co-Founder @ Bold Donut
    Mar 27 2025

    Featuring Kate Williams, CEO and Co-founder of Bold Donut.

    Our third featured female CEO this year, we are proud to present another novel and promising offering aiming to address the climate crisis.

    Kate has co-founded Bold Donut as a sustainability engagement company that provides a portfolio of digital games. They design and customise these games based on the enterprise customer's context and domain, in order to provide their employees a fun way of engaging in sustainability.

    In this episode, some of the highlights that Kate shares are as follows:

    • Changing the narrative from doomsday story resulting in people's feeling unable to make a difference, and switching it to feeling positive, upbeat and knowledgeable and contributing to solving the problem of climate change.
    • This activity as an employee engagement benefit and a fun initiative as opposed to a required training, and using that interaction in short bursts to capture attention and land an important message and learning, coupled with full-fledged data analytics around engagement, learning behaviour and recommended actions.
    • Waste management at an enterprise level is one of those last mile solutions that bring together a portfolio of investments in sustainability solutions such as installing renewable energy power sources, key infrastructure improvements etc, in addition of course to embedding sustainability into the core business model too.

    Bold Donut have most recently added ESB to their list of customers! Landing key opportunities like the partnership with Mywaste.ie as well as becoming a provider to ESB – Kate and her co-founder Nathan have come a long way in their short 2.5 year journey and have a lot of exciting things to look forward to. Tune in to the episode to hear more.

    As always, don't forget to share your feedback.

    Visit us on our Clean Catalyst LinkedIn page and do share your feedback!

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    35 mins
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