Timestamps:

4:38 - Gaëlle’s craziest year

9:56 - Turning metal into foam

16:34 - High innovative customers

25:23 - Hiring people as a 6 month year old company

29:03 - Having the team be 2/3s women

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About Gaëlle Andreatta:

Gaëlle Andreatta is the co-founder and CTO of apheros, a startup manufacturing metal foams for thermal, catalysis, and battery applications. She holds a PhD in Physics from Pierre and Marie Curie University and an MBA from ETH/HSG. Gaëlle worked for companies like Oxford Nanopore Technologies and CSEM before co-founding apheros in 2023.

apheros’ novel metal foams offer unprecedented properties due to their extremely high surface area and low density. The best way Gaëlle has of explaining how metal gets turned into a foam to people with little scientific background is through the metaphor of making meringue. apheros makes metal foams in a way that is “similar” to how you would froth your egg white. They foam their metal, shape it, and then use very high temperatures to set the shape. Their metal foam is useful for cooling down certain materials (in a similar way to how liquid cooling works), for kickstarting certain chemical reactions, and for ensuring the current collectors in lithium ion batteries work optimally.

apheros is currently working closely with between 60 to 70 customers, and in talks with a dozen more. Their team is 2/3s women, which Gaëlle attributes not to any conscious decision on their part but to the fact that both co-founders are women, which probably encourages female applicants to apply.

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