Yair Reem

Better, Faster, Cheaper & Green

📍 Berlin, Berlin, Germany🔄 Updated September 2026💼 13 investments📅 14 years investing🗓 Last invested Oct 2023𝕏 @upgrade_to_unlock
VC🌍 Germany
13
Total investments
5
Early stage
5
Mid stage
0
Late stage
14y
Years active

Portfolio

12 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Board Member
Oct 2023
UP Catalyst produces carbon nanomaterials and graphite from CO₂ emissions. These have a vast range of applications from electric car batteries to concrete and biomedicine. Why UP Catalyst? -Climate neutral battery-grade graphite and carbon nanomaterials -Powered by renewable energy -Produces in the EU -Alternative to mining, overexploitation of natural resources and environmentally harmful production methods
Board Member
Dec 2022
RepAir Carbon was founded in 2020 with a mission to pioneer the most sustainable carbon dioxide removal solution. ‍ To realize the sustainable gigaton, we’re building an ecosystem of innovative partners — from world-leading material suppliers and storage and utilization providers to forward-thinking investors and offsetters.
Board Observer & Investor
Apr 2021
A profit for impact start-up based in Berlin, Germany that upcycles batteries from electric vehicles into connected sustainable power systems to avert climate change and protect valuable resources - fully embracing the principles of a circular economy. betteries is much more than a battery, it is a multipurpose power sys-tem. Each betteries system can store 3 kWh to 12 kWh of energy, offers fast charging capability and can flexibly deliver up to 5 kW of electric DC as well as AC power. betteries are modular in configuration to be stacked horizontally or vertically and can be charged by a variety of energy sources (solar, wind, hydro, grid). Smart electronics including Wi-fi and GPS enables betteries systems to be remotely monitored and controlled through an IoT platform. Rugged and water-proof, betteries offers solutions for e-mobility, off-grid productive use and on-grid backup pow-er. We upcycle 2nd life electric vehicle (EV) batteries to accelerate the transition to renewables and are well positioned to deliver scalable CO2 savings and protect scarce resources. Our business model embraces circular economy principles by ensuring recycling at the end of 2nd life and significantly lowers cost for customers through our battery-as-a-service offering.
Board Observer & Investor
Dec 2020
At Bloom, we excel in deconstructing biomass. With our groundbreaking process, we provide a novel, cost-competitive route to source molecules from plants. This technology is the first of its kind and offers an unprecedented alternative for many petroleum-based products. From fragrances to polyurethanes, Bloom is committed to offer tailored solutions to our customers and help companies around the Globe in reducing their carbon footprint.
Board Member
May 2020
Supporting large industrials in the digital transformation of their business processes and more specifically their supply chain.
Board Member
Nov 2018
Tigermilk.Education is here to help students – and their parents – with complex algebra problems in a simple and accessible way. Our small team is focussed on creating products that support school work, whether you're learning at home or in the classroom. Our flagship site, Tiger-Algebra.com, has already solved millions of math problems, and we're working on building more capabilities to keep meeting the challenges in today's educational landscape.
Board Observer
May 2017
Vera is the security platform chosen by the Fortune 500 to secure, track, and control sensitive information that needs to be shared externally. With a keen focus on the user experience for employees and security pros alike, Vera can protect any kind of information, no matter how it's stored or shared, anywhere it travels - without affecting how work gets done. With robust policy enforcement, strong encryption, and strict access controls, Vera's data-centric security solution enables teams to collaborate freely while ensuring the highest levels of security, visibility and control. For more information, visit www.vera.com
Board Observer
Jan 2016
Reflektion’s AI-powered personalization platform listens to the behaviors of each individual shopper, utilizes artificial intelligence to calculate their preferences and intent, and then responds to every moment-to-moment interaction by displaying the most relevant content and products in real-time and across the digital touchpoints that matter most—including site search, product recommendations, category and landing pages, and email. Leading retail brands such as TOMS, Ann Taylor, Sur La Table, Godiva, and Destination XL rely on Reflektion’s platform. Founded by pioneers in artificial intelligence and named to CB Insights​ prestigious AI 100 list for 2018, Reflektion combines individual shopper insights, product intelligence, and AI to create more intimate and impactful commerce experiences. Reflektion is backed by leading investors including Battery Ventures, Hasso Plattner Ventures, Clear Ventures, and Intel Capital. Learn more at Reflektion.com.
Board Observer
Oct 2015
Robin.io's hyperconverged Kubernetes for Stateful Edge automates deployment of complex 5G, edge and enterprise apps to improve productivity and reduce cost.
Member of the Board
Mar 2015
Valsight ist eine SaaS-Lösung für ein unsicheres und volatiles Unternehmensumfeld und ermöglicht zeitgemäße Echtzeit-Steuerung durch Ad-hoc-Simulationen von Finanzszenarien auf der Grundlage von Treibermodellen. So schaffen Sie schnell und flexibel die Basis für fundierte Management-Entscheidungen, auch bei sich schnell ändernden Rahmenbedingungen. Ihr Vorteil: mehr Agilität bei höherer Qualität der Entscheidungen.
Board Member
Oct 2014
Kenesto delivers secure cloud storage and product document management purpose-built for engineering, design, and construction. With our Kenesto Drive service on your PC, your CAD and other applications work directly with the cloud documents seamlessly just like your local drive, always accessing the current document. Kenesto provides the necessary tools users need to share, view, collaborate easily with external users, manage permissions, create versions and lock documents for day-to-day work. Kenesto offers engineers and designers power, simplicity, and flexibility beyond consumer cloud storage solutions such as Dropbox and is a cost-effective alternative to expensive PDM systems. Visit https://www.kenesto.com/the-kenesto-product
Member of the Board
Aug 2012
ABOUT DREAMLINES Dreamlines is an innovative, fast-growing Online Travel Company. Just 6 years after establishment, we are the leading online portal for cruises in Europe operating in more than 10 countries. In addition to our headquarters in Hamburg City Center, we are represented internationally by offices in France, UK, Singapore, Brazil, Russia, the Netherlands, Australia and the United States. The cruise market, with its outstanding growth and high margins, is one of the most attractive sectors in the travel market. Our goal is to become the global market leader and revolutionize the way cruises are booked. By combining a strong technological orientation with optimum, independent advice we distinguish ourselves from our competitors. Dreamlines is supported by a strong investor consortium of well-known venture capital funds such as Holtzbrinck Ventures, TruVenturo, Hasso Plattner Ventures and Target Ventures, who invested on average double-digit millions into the development of our company. Not only is the success story of Dreamlines unique, the career paths of our employees is also a part of it. We are constantly looking for the best talent and employees. Are you looking for a company that is characterized by a flat hierarchy and a result-orientated approach in an environment where you can quickly and independently take on responsibilities? Then you are perfect for Dreamlines! WHAT WE PROPOSE • Work environment which enables you to help shape essential parts of a growing e-commerce company • Responsibility from Day One, flat hierarchies and fast decision-making • An international, performance oriented and growth stimulating company culture • Flexible working hours, grants for public transport and pension schemes, free drinks & fruits, cruise & shopping discounts, company sports, team & company events on a regular basis Working with Dreamlines – Impressions: http://goo.gl/1WXxJE Your contact: - Phone: +49 40 60946-5050 - E-Mail: jobs@dreamlines.com
Experience · 18 entries
All (18)
Investments (13)
Founder (1)
Board (13)
2023
Board Member
Oct 2023
UP Catalyst produces carbon nanomaterials and graphite from CO₂ emissions. These have a vast range of applications from electric car batteries to concrete and biomedicine. Why UP Catalyst? -Climate neutral battery-grade graphite and carbon nanomaterials -Powered by renewable energy -Produces in the EU -Alternative to mining, overexploitation of natural resources and environmentally harmful production methods
2022
Board Member
Dec 2022
RepAir Carbon was founded in 2020 with a mission to pioneer the most sustainable carbon dioxide removal solution. ‍ To realize the sustainable gigaton, we’re building an ecosystem of innovative partners — from world-leading material suppliers and storage and utilization providers to forward-thinking investors and offsetters.
2021
Board Observer & Investor
Apr 2021
A profit for impact start-up based in Berlin, Germany that upcycles batteries from electric vehicles into connected sustainable power systems to avert climate change and protect valuable resources - fully embracing the principles of a circular economy. betteries is much more than a battery, it is a multipurpose power sys-tem. Each betteries system can store 3 kWh to 12 kWh of energy, offers fast charging capability and can flexibly deliver up to 5 kW of electric DC as well as AC power. betteries are modular in configuration to be stacked horizontally or vertically and can be charged by a variety of energy sources (solar, wind, hydro, grid). Smart electronics including Wi-fi and GPS enables betteries systems to be remotely monitored and controlled through an IoT platform. Rugged and water-proof, betteries offers solutions for e-mobility, off-grid productive use and on-grid backup pow-er. We upcycle 2nd life electric vehicle (EV) batteries to accelerate the transition to renewables and are well positioned to deliver scalable CO2 savings and protect scarce resources. Our business model embraces circular economy principles by ensuring recycling at the end of 2nd life and significantly lowers cost for customers through our battery-as-a-service offering.
2020
Board Observer & Investor
Dec 2020
At Bloom, we excel in deconstructing biomass. With our groundbreaking process, we provide a novel, cost-competitive route to source molecules from plants. This technology is the first of its kind and offers an unprecedented alternative for many petroleum-based products. From fragrances to polyurethanes, Bloom is committed to offer tailored solutions to our customers and help companies around the Globe in reducing their carbon footprint.
Board Member
May 2020
Supporting large industrials in the digital transformation of their business processes and more specifically their supply chain.
Show all 18 entries ↓
Investment activity
2012–2023 · 13 investments
20121201412015220161201712018220202202112022120231
Recent (last 2 years)Earlier