UpsideDown VC

Been a while since we've posted... but here is our first rendition of our Annual Letter. In this short memo we talk about: -Our original vision and inspiration -What we and our portfolio companies have achieved -Where we are headed Link to the annual letter down in the comments. #venture #startups #investing ??Jonathan Sun Sam Merullo Will Stringer James Thomason Jake Knight

Been a while since we've posted... but here is our first rendition of our Annual Letter. In this short memo we talk about: -Our original vision and inspiration -What we and our portfolio companies have achieved -Where we are headed Link to the annual letter down in the comments. #venture #startups #investing ??Jonathan Sun Sam Merullo Will Stringer James Thomason Jake Knight

Excited to have Sam Merullo, General Partner at UpsideDown VC, moderating the "If I Had to Do It Again" - Building a Climate-Tech Startup in 2025 workshop at the New Climate Summit. Sam and his team are introducing the Convertible Future Earnings Agreement to the UK, a groundbreaking funding model blending equity and future earnings to support idea-stage and bootstrap founders. Join us for an insightful discussion on what it takes to build and scale a climate-tech startup in today’s landscape. ?? 25 February 2025 ?? 3 Godfrey Place, London ?? Get your ticket: https://lu.ma/climatevc #ClimateSummit #VentureCapital #ClimateTech #StartupFunding #GreenTech #Sustainability #Innovation

Bilbao Slush'D 2025 Kicks Off Tomorrow – Let’s Talk eSIM & Innovation! ?? The future of?connectivity is eSIM, and it’s evolving faster than ever. As businesses expand globally, the ability to?seamlessly manage mobile connectivity without physical SIMs?is no longer a luxury—it’s a necessity. From?cost-efficient roaming solutions?to?instant network switching and remote management, eSIM technology is transforming the way companies stay connected. At?ZIM Connections we’re pushing these innovations further, and at?Slush 2025 in Bilbao, we’ll be showcasing?our newly improved Business Suite—designed to give companies full control over their eSIM management. If you want a?first look before we launch, come find us at?Stand 33! But beyond product showcases, events like?Slush?remind us why?founders, builders, and visionaries need to be in the same space.?Innovation doesn’t happen in isolation—it happens when ideas collide when we share insights, challenges, and solutions. As an entrepreneur, I know firsthand how valuable it is to connect with people who are solving real-world problems with tech. I’m incredibly excited to attend with?Giulia, who will be speaking at the event ??, and grateful to?Sigma Squared Society for giving us this opportunity to be part of an ecosystem where ideas turn into impact. ?? If you’re passionate about?global connectivity, startups, or just want to exchange ideas, let’s chat!?See you in tomorrow in Bilbao! #Slush2025 #Bilbao #eSIM #TechInnovation #ZIMConnections #Startups #Entrepreneurship #SigmaSquared #FoundersCommunity #ConnectivityRevolution

It's been a while since we've posted- so thought it'd be time to reintroduce ourselves! An overview article on who we are- link in the comments. #startups #venture #investment #vc #tech

We've just launched our new podcast, UpsideDown Happy Hour, where we talk to our portfolio companies about their startup journeys. First up is ZIM Connections ! Link to listen in the comments. #startup #podcast #entrepreneurship #investing