CoolSem Technologies develops advanced and WaLTIS heat-conducting substrate technology for semiconductor, photonic, and high-performance computing applications. The patented WaLTIS platform replaces conventional substrates with a high-conductivity multi-layer stack that enables efficient, compact, and reliable heat transfer — unlocking higher performance and energy efficiency for next-generation devices.

Eindhoven, Netherlands

Coolsem Technologies

The seed investor High-Tech Gründerfonds (HTGF) finances tech start-ups with growth potential and has supported more than 700 start-ups since 2005. With the launch of its fourth fund, HTGF now has about 1.4 billion euros under management. Its team of experienced investment managers and start-up experts support young companies with expertise, entrepreneurial spirit and passion. HTGF’s focus is on high-tech start-ups in the fields of digital tech, industrial tech, life sciences, chemistry and related business areas. To date, external investors have injected about 5 billion euros of capital into the HTGF portfolio via more than 2,000 follow-on financing rounds. In addition, HTGF has already successfully sold shares in more than 170 companies. Fund investors in this public-private partnership include the German Federal Ministry for Economic Affairs and Climate Action, KfW Capital and 45 companies from a wide range of industries. Fund investors in this public-private partnership include the German Federal Ministry for Economic Affairs and Climate Action, KfW Capital and 45 companies from a wide range of industries.

High-Tech Gründerfonds Management GmbH

HTGF 

<script async src="https://www.googletagmanager.com/gtag/js?id=G-C5QPF4W99Q"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'G-C5QPF4W99Q');
</script>

Google Analytics

<em> Browse through our portfolio jobs and select a suitable opportunity.</em><p class="second-section"><em>Our HTGF Portfolio of startups offers excellent opportunities and is always hiring talented people.</em></p>

Tell us about your professional DNA to get discovered by any company in our network with opportunities relevant to your career goals.

Leverage our network to build your career.

#### Welcome!

Thank you for joining HTGF  Network!

To help us best support you in your search, please take a few minutes to tell us about what you are looking for in your next role. We’ll use this information to connect you to relevant opportunities in the HTGF  network as they come up.

You can always update this information later.

Welcome to the HTGF talent network

As our companies grow, they look to us to help them find the best talent.

Signal that you'd be interested in working with a HTGF  company to help us put the right opportunities at great companies on your radar. The choice to pursue a new career move is then up to you.

Your professional information is now visible to our team in our network.
We will be in touch when we find a great opportunity for you at one of our companies.

Thanks for signing up

As our companies grow, they look to us to help them find the best talent.
Signal that you'd be interested in working with a HTGF company to help us put the right opportunities at great companies on your radar. The choice to pursue a new career move is then up to you.

Portfolio Jobs

Browse through our portfolio jobs and select a suitable opportunity.Our HTGF Portfolio of startups offers excellent opportunities and is always hiring talented people.

Browse through our portfolio jobs and select a suitable opportunity.
Our HTGF Portfolio of startups offers excellent opportunities and is always hiring talented people.