Planet First Partners

Planet First Partners appoints Nathan Medlock as Managing Partner

September 19, 2023


Planet First Partners, the growth equity investment platform, is pleased to announce the appointment of Nathan Medlock as Managing Partner. Nathan brings over 25 years of experience in private equity, M&A, corporate finance, and government advisory to Planet First Partners, as the company continues to focus on investment opportunities that maximise social, environmental, and economic returns.

Nathan's Background and Expertise

Nathan joins from Zouk Capital, a Tech growth equity and infrastructure fund manager, where he was a Partner and led the growth equity team investing in Series B-pre-IPO rounds in climate tech companies. Prior to this, Nathan was a Partner at Galaxis Capital where he advised, managed, and restructured portfolio companies owned by High-Net-Worth family offices. His mandates included mining, biotech, natural resources, and renewable energy across the US, EU, and Africa and he held active operational roles, including as CEO in a Swedish listed mining company and CFO of a private US biotech company.

Funding and Forward Momentum

Nathan’s appointment follows the successful close of Planet First Partners’ EUR450M fund earlier in the year. Capital from the fund will be deployed in companies in their growth stage (series B, C & D) with proven products and services, whose technologies will deliver the transition to a sustainable economy.


Frédéric de Mévius, Executive Chairman at Planet First Partners, commented:

We are delighted to welcome Nathan as Managing Partner. He will provide invaluable experience to our team and will be instrumental as part of our building blocks for the future as Planet First Partners continues to grow. Nathan’s experience in both leading deals and teams will be a great asset for us as we move towards our next stage of growth. His appointment will help optimise value creation for our investors and portfolio companies as the landscape of innovative, growth-stage companies widens.

Nathan Medlock, Managing Partner at Planet First Partners, commented:

I am very excited to be joining the team at Planet First Partners. The team have achieved significant milestones in a short space of time, attracting investment from across Europe to support companies delivering profitable growth alongside a purpose-driven mission. I am looking forward to playing a role in the next stage of Planet First Partner’s evolution, and being part of the team’s mission as it helps to scale tech-enabled businesses which are driving us towards a more sustainable economy.

About Planet First Partners

Planet First Partners is a growth equity investment platform that invests in and partners with disruptive entrepreneurs to scale tech-enabled businesses that combine a purpose-driven mission, profitable growth, and a people-centric culture. As an Article 9 fund, Planet First Partners applies rigorous methodology for sustainable investing and commits to always follow the highest standards and strictest criteria. Our processes have been verified by Bluemark to ensure compliance with the Sustainable Finance Disclosure Regulation’s requirements for Article 9 funds.

Current portfolio companies include world-leading industrial green hydrogen electrolysis company Sunfire ,and Submer, whose immersion cooling technology is making data centres more sustainable. As per Article9 requirements, portfolio companies are analysed in-depth following strict guidelines to verify that they deliver a substantial contribution to sustainability goals while also doing no significant harm to any goal, and investment decisions align with best-in-class guidelines and regulation.

Founded in 2020, Planet First Partners is made up of a highly experienced, qualified team of investment and sustainability experts focused on maximising and optimising sustainability. The team is complemented by a mission-aligned advisory board, made up of global business and political leaders.


Contact Details

Planet First Partners, Elizabeth Adams

+44 (0) 7974 982 331


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