Joost Muller

Cast AI is the automation platform for cloud-native and AI workloads that keeps applications reliable and performant, with cost savings as a natural outcome.

Your very own sales team, which is cheaper than hiring, training and leading a team in-house. Senior Level Sales Reps. UK Based. Fluent In Modern Selling.

StackOne is the integration infrastructure for AI agents to act. 200+ connectors, 10k+ actions, and the AI builder tools to customize or build your own. StackOne turns AI agents into powerhouse that can act like your and for you. At the core is Falcon, our state-of-the-art, code-first, execution engine. Falcon executes multi-step AI actions accurately, reliably, and securely, optimizing for tool-calling accuracy, token efficiency, and low latency. Falcon interfaces with your agent via MCP, A2A, or API calls for traditional apps RPCs and any app interface (REST, SOAP, GraphQL, Private APIs, browserless). StackOne’s managed infrastructure handles multi-tenant authentication, permissions, and observability out of the box—so teams can focus on designing agency, not building the plumbing. We’re built for enterprise trust: SOC2, GDPR, HIPAA, and CCPA compliant. Real-time execution with no data storage. Ship faster. Execute better. Scale with confidence. StackOne is the platform for production-ready autonomous agents.

We are Europe’s largest dedicated pre-seed fund at $88M. We champion both first-time and repeat founders with conviction, leading or co-leading pre-seed rounds with cheques of up to $1.5M. We are sector-agnostic but stage-specialists, laser-focused on being one of your very first conversations. It is never “too early” to partner with globally ambitious European founders. Founded by industry outsiders, we understand the challenges of starting from scratch and the importance of being flexible, founder-first partners. We can shape or join your earliest rounds and have the capacity to follow-on through Series A and beyond, providing the long-term support required to scale into multi-billion-dollar outcomes. We are always eager to meet Europe’s most ambitious entrepreneurs. If you’re building something bold, apply via our website: www.conceptventures.vc.

Kitt creates inspiring, bespoke workspaces for businesses looking to tailor their space to their people, brand and culture. From managing the build to partnering with you to create your workplace experience, our office experts take care of the details, so that you can focus on your business.

Bright builds for Life After Debt. It gives every consumer the path to be debt-free. It is the Artificial Intelligence Bank for consumers living with high levels of debt. Bright helps consumers delete all forms of debt (credit card, student loan, auto loan, home loan, and more) using its Ai powered app, and tailored credit products. It is trusted by over 1 million Americans and growing. The Founding team has a combined experience of 80 years in Machine Learning, and Big Data systems, with a focus on Banking products. Bright is a team of Product Builders, Data Scientists, Engineers, Service Professionals, and Digital Growth Experts who build the world’s best Ai technology to help people be debt-free.

Online returns are broken. There are ~£99bn worth of returns processed each year in the UK alone (~$761 in the US). It’s common for merchants to be grappling with return rates over 30%. Yet the customer experience for returning an unwanted purchase is fragmented, time-consuming and built on legacy infrastructure. For the average online shopper, completing a return takes approximately 40 mins, they have 10 different fields to complete and are switching context 3 or more times. In particularly bad cases this involves a long walk, queuing during peak times and facing the elements. After posting their return they are waiting 7+days to receive a refund. Were changing this...

Rollfi is the FASTEST way to launch payroll and benefits services on the market. Started out as a modern payroll and benefits suite. Realized the core infrastructure was more valuable and pivoted into embedded payroll and benefits for Vertical Saas, Banks + Financial services.

GTMfund is an early-stage VC fund focused on B2B SaaS. Our 350+ limited partners are the best go-to-market (GTM) executives in tech. Operators who have been there, done that at the world’s fastest growing SaaS companies - Salesforce, Okta, Tableau, Mulesoft, Procore, Snowflake, Segment, ServiceNow, Rippling, and many more. GTMfund is more than capital. We have a flywheel of resources to support our portfolio companies grow revenue, hire, and build distribution: - GTMfund: The VC fund itself. - Community: Access to hundreds of the best GTM operators in tech. - Talent: Resources to help you recruit and hire the best operators to your team. - GTMnow: A media brand, including an industry leading newsletter, podcast and more. We help you get from zero to IPO.

Skyfri provides owners of solar power plants a complete digital platform that is built to automate operations, maintenance, and asset management. The company is backed by leading investors and has strong management with experience from building and listing renewable energy and technology companies. The team is one of the most experienced within IPP, O&M, and asset management, having previously overseen more than 3GW across Europe, Asia, and North America. Want to join Skyfri? Check out our open positions at https://careers.skyfri.com/

Helping Restaurants Grow 🥘📈 Discover Fresh at vendease.com

Were solving the busy problem. The burnout problem. The cant-put-my-phone-down problem. We are always on. 80% of you check your phones as soon as you wake up. 59% of you run through your emails on the weekends and whilst on holiday. Unplugged helps busy workers (like you) unplug from your devices and recharge in nature. Our beautiful digital detox cabins are just an hour from city life, so you dont have to travel far to find what matters. Think your whole team could benefit from a digital detox? Well, we also help companies look after their employees with an annual digital detox as part of their wellbeing benefit programmes. Because free office fruit just doesnt cut the mustard in this tech-obsessed world.

Nue Life is a next-gen mental wellness company that believes in the power of psychedelics to catalyze lasting change.

Bamboo is an investment platform that gives Africans the tools to build wealth from the ground up through real-time access to the global markets

Curated Discovery | Curating The World onezone is the ultimate discovery platform curating the best restaurants, cafes, bars and hotels in cities around the world.

Greenlights Capital is a private investment company focusing on venture capital and private equity to empower innovative businesses at every stage of growth.

Helping Stealth Startups to Launch, Hire & Scale. Here Recruiters Usually List Stealth Roles for early stage startups and job seekers can connect and consider those roles.

We ideate, build and scale industry winning B2B software technology companies with the best second-time founders.

Cast AI is the automation platform for cloud-native and AI workloads that keeps applications reliable and performant, with cost savings as a natural outcome.

Your very own sales team, which is cheaper than hiring, training and leading a team in-house. Senior Level Sales Reps. UK Based. Fluent In Modern Selling.