Romain Afflelou

Founder YADAY Capital

📍 London, England, United Kingdom🔄 Updated September 2026💼 33 investments📅 11 years investing🗓 Last invested Sep 2021𝕏 @upgrade_to_unlock
Operator-angel🌍 United Kingdom20+ investments
33
Total investments
21
Early stage
6
Mid stage
3
Late stage
11y
Years active

Portfolio

32 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Sep 2021
Come join the team responsible for creating the future of fantasy football, baseball, and basketball. If youre looking to run fast, have an immediate impact from day 1, and work with smart/creative people -- Sorare is for you! We are hiring for roles both in Paris & in the US.
Seed Investor
Aug 2021
At Shares, we transform the investing experience with technology-driven solutions designed to meet diverse needs—whether you’re an individual investor, a financial advisor, or a business. Our solutions are built to empower every user: Shares App: A user-friendly platform for retail investors, designed to make investing accessible, social, and educational. Shares Pro: A comprehensive toolkit for financial advisors (CGPs), enabling them to meet the expectations of a modern, informed client base. For businesses, Shares Solutions offers bespoke, white-labeled platforms that are fully customizable to suit your unique needs, combining cutting-edge technology with your vision. With Shares, you gain the flexibility to choose: ready-to-use platforms for seamless onboarding or tailored solutions for a personalized experience. As with all investing, your capital is at risk.
Investor
Jun 2021
The collaborative, AI-powered platform for customer conversations. Trusted by more than 22,000 companies worldwide. Aircall seamlessly integrates voice, SMS, WhatsApp, and social media channels into a single platform, with bi-directional syncing across 200+ essential business apps. Imagine your CRM and Helpdesk data flowing effortlessly into every customer interaction, empowering your team to deliver smarter, more personalized experiences. Trusted by over 22,000 businesses globally, Aircalls AI-powered platform supercharges sales and support. We automate the busywork—optimizing call routing, automating repetitive tasks–while simultaneously delivering actionable insights from across every customer interaction. As a result, your teams are free to focus on what truly matters: building and maintaining customer relationships. Aircall is where your tech stack unites and your teams excel. We transform customer interactions into strategic opportunities, fueling growth and turning conversations into satisfied customers. With Aircall, every connection counts.
Private Investor
May 2021
Were putting car freedom in your pocket to discover a world outside your city with our digital car rental app. Designed for city dwellers, we provide a range of cars on demand, that can be unlocked all with your phone thanks to our digital car key. Available to pick up from over 100 locations across Europe, or delivered to your chosen address, get all the freedom of driving without the burdens of owning or renting a car on you, our cities, and the planet.
Angel Investor
May 2021
In-Store Circular Solution, Empowering Retail Giants, Profitable Reuse At Lizee, our mission revolves around empowering large retail chains with a focus on "one stop shop" circular economy solutions, encompassing second-hand products, rentals, and, most importantly, the innovative concept of "drive to store." We equip companies with a comprehensive framework, cutting-edge tools, and unwavering support to swiftly, efficiently, and reliably establish highly effective rent and reuse options. Our ultimate goal is to ensure profitability for businesses, as we act as their profit protectors in navigating the challenging landscape of costly production and financially-constrained consumers. Join us in embracing the transformative power of circular economy principles, as we drive sustainability, convenience, and economic prosperity for both companies and their customers. Discover more here: www.lizee.co Or contact us directly: contact@lizee.co
Investor
Feb 2021
Mansa permet aux entrepreneurs d’obtenir une avance de trésorerie en 48 heures ou de payer leurs factures en plusieurs fois
early stageBanking
Investor
Jan 2021
Enabling electrification for all ⚡
Investor
Jan 2021
At Koa Health, we’ve made it our mission to leverage technology and research to create simple, personal, and accessible mental health support by combining evidence, cutting-edge tech, and user-centered design. We create breakthrough interventions backed by science with one clear goal: to improve people’s mental health. Designed to help your employees find the right mental healthcare at the right time, Koa Health’s comprehensive care model, Koa Care 360 offers employees simple navigation and personalized, evidence-based care built with the world’s leading clinician-academics. Koa Health provides an integrated approach to care that delivers mental health for everyone, whether they prefer digital-first care or would benefit from clinical services delivered by a human. Available to more than 3 million users worldwide, Koa Health addresses the full continuum of mental health needs – from prevention to treatment. Backed by leading investors such as Morningside, Ancora Finance Group, Wellington Partners Life Sciences, and MTIP, Koa Health leverages deep clinical expertise, research, and technology to deliver effective and accessible care that adapts to users’ unique circumstances, leading to lasting behavior change and positive health outcomes across the full continuum of mental health. Want to learn more about life at Koa Health? Visit our website at koahealth.com Our international team of behavioral scientists, developers, designers and health innovation leaders work, learn and grow together in a collaborative and inclusive culture. Want to learn more about life at Koa Health? Visit our website at koahealth.com
Private Investor
Sep 2020
With Lydias 100% mobile and digital current account: - Spend money abroad without any fee on payments nor withdrawals - Pay contactless anywhere using any mobile device (no amount limit, fully secured) - Manage all of your bank accounts from one single app - Send money instantly to a relative using their phone number - Pay online safely using unlimited Internet Cards - Set-up Shared Accounts to share expenses fairly (couple, flatshare, trip with friends) - Get notifications instantly to keep up with your expenses. ...and so much more!
Seed Investor
Jun 2020
The mission of Kiri is to accelerate the adoption of sustainable behaviours. Kiri drastically changes the approach to sustainability by creating a community of forward-thinking consumers and brands, willing to take action together to make the world more sustainable. The Kiri solutions incentivise individuals and brands to behave sustainably, establishing a synergic system in which acting green becomes easy and convenient. As an Individual: - Choose sustainable behaviours in your daily life. Drive an electric vehicle, purchase sustainable products, choose green energy for your home. - Save CO2 and earn KiriCoin. - Use your KiriCoin inside the Kiri Marketplace to redeem exceptional rewards. As a Brand: - Reward your client’s sustainable actions and tap into a new audience of targeted sustainable customers. - Be a leader in sustainability and inspire others to act green. - Improve your sustainable reporting. Changing the world requires everyone to be involved and to do their part. Kiri creates the connection and the reasons for anyone to be more sustainable and to achieve global CO2 emission reduction goals. Join us today and be part of the road to sustainability.
Private Investor
Apr 2020
MEDADOM est une startup e-santé en très forte croissance et première société de téléconsultation à être agréée par le Ministère de la Santé. Notre objectif principal consiste à rendre laccès à un médecin généraliste plus simple en proposant une solution complète de téléconsultation via une application web/mobile ainsi que des bornes connectées. Nous nous engageons à offrir une mise en relation avec un médecin généraliste sans nécessité de prendre un rendez-vous préalable, et notre plateforme est accessible 7 jours sur 7 pour plus de flexibilité. Fondée en 2017 par deux médecins (Elie-Dan et Charles MIMOUNI) et un ingénieur polytechnicien (Nathaniel BERN), nous disposons d’une double expertise dans le domaine de la Santé et de la Tech. MEDADOM est né dun même désir celui de lutter contre les inégalités d’accès aux soins sur le territoire français : multiplication des déserts médicaux, engorgement des urgences, renoncement aux soins, absence du médecin traitant, médecin traitant indisponible. Aujourd’hui, MEDADOM est un acteur majeur de la téléconsultation en France avec : - 9 millions de téléconsultations réalisées depuis sa création - 5500 cabines et bornes connectées en France - 4,8/5 de satisfaction sur plus de 150 000 avis Google - Plus de 1500 médecins partenaires - Plus de 100 collaborateurs - 40 millions d’euros levés en série A (record en France) - Premier acteur de soins non programmés certifié hébergeur données de santé et ISO 27001. MEDADOM est une startup montante de la French Tech 120 pour la cinquième année consécutive! Retrouvez une borne MEDADOM près de chez vous : https://www.medadom.com/espaces-sante
Private Investor
Oct 2018
BASTILLE DAY est une société ayant pour objet la production, la vente et l’import-export de vins, spiritueux et alcools. A ce titre, Bastille day a créé Guillotine Vodka. GUILLOTINE VODKA, cest 2 vodkas exceptionnelles. - Une vodka traditionnelle, Guillotine Vodka, - Une vodka vieillie, à la couleur ambrée : Guillotine Heritage. Guillotine est la synthèse parfaite d’un spiritueux résolument tourné vers le futur et de décennies d’un savoir-faire légendaire. Guillotine est un morceau dhistoire à lassaut de lavenir, fort de son expérience et de sa jeunesse à la fois : 100% française, elle est obtenue par la distillation de raisins extraits exclusivement du vignoble Champenois. Guillotine choisit l’excellence pour matière première et tire sa différence de minutieux processus de fabrication dans le respect des savoirs-faire ancestraux. Labus dalcool est dangereux pour la santé, consommez avec modération.
Investor
Dec 2017
At OnOff, our goal is to reinvent the user experience in the world of telecommunications. We are a team based in Paris and Tallinn, made up of 100 passionate people from around the globe. In 2014, we launched the first version of a mobile app that finally allowed multiple phone numbers on a single device with the same SIM card. Since then, we’ve added numbers from more than 30 countries, as well as calling capabilities to nearly 150 destinations. We’re also very proud of our “Onoff Business” solution, which streamlines fleet management by assigning professional lines directly to your employees’ smartphones.
Investor
Dec 2017
Seeing is everything. At 6over6, we believe that everyone should have easy access to Rx glasses, and our innovative optical toolset for eCommerce brings the world closer to that goal. We have reimagined all fundamental optometric tools and fitted them into your smartphone, enabling a complete and accurate measurement of the refractive error of the eye, for eyeglasses and contact lens prescription, using nothing but software. This means that today’s online eyewear shopping experience can be seamless, and vendors can use our tools to help consumers get their prescription, PD and frame fitting information immediately, as part of the overall shopping experience. The result is more sales, conversions, and fewer returns and operative headaches.
Investor
Dec 2017
Pledg provides instant financing solutions on e-commerce and in-store sites. Thanks to Pledg, merchants increase their conversion rates, average basket and customer loyalty. Private and professional buyers buy straight away and pay later; the merchant, meanwhile, is paid upon ordering. Pledgs solutions are transparent, very easy to integrate and have an exceptional acceptance rate thanks to a unique scoring algorithm: - Instalment payment: the principle is simple, spreading the payments of your customers in 3, 4 or even 12 monthly instalments. This offers a very fluid payment experience and is a great way to prevent cart abandonment. - Deferred payment: it allows your customers to pay later for a purchase made immediately. At 15, 30 or 45 days post purchase, it’s up to you! A real lever for winning and retaining customers. - Adjusted payment: the possibilities are endless! You benefit from customizable financing methods according to your needs: on the 5th of the following month, payment on delivery, 48 hours before the trip departure date, or shared between friends. A beneficial flexibility for both you and your customers Pledg has already conquered >200 large accounts, many of which have +€1 billion turnover. Do not hesitate to contact us: contact@pledg.co For press inquiries, please contact: shanez@agence-atik.com
Show all 32 investments ↓
Experience · 36 entries
All (36)
Investments (33)
Founder (3)
2021
Investor
Sep 2021
Come join the team responsible for creating the future of fantasy football, baseball, and basketball. If youre looking to run fast, have an immediate impact from day 1, and work with smart/creative people -- Sorare is for you! We are hiring for roles both in Paris & in the US.
Seed Investor
Aug 2021
At Shares, we transform the investing experience with technology-driven solutions designed to meet diverse needs—whether you’re an individual investor, a financial advisor, or a business. Our solutions are built to empower every user: Shares App: A user-friendly platform for retail investors, designed to make investing accessible, social, and educational. Shares Pro: A comprehensive toolkit for financial advisors (CGPs), enabling them to meet the expectations of a modern, informed client base. For businesses, Shares Solutions offers bespoke, white-labeled platforms that are fully customizable to suit your unique needs, combining cutting-edge technology with your vision. With Shares, you gain the flexibility to choose: ready-to-use platforms for seamless onboarding or tailored solutions for a personalized experience. As with all investing, your capital is at risk.
Investor
Jun 2021
The collaborative, AI-powered platform for customer conversations. Trusted by more than 22,000 companies worldwide. Aircall seamlessly integrates voice, SMS, WhatsApp, and social media channels into a single platform, with bi-directional syncing across 200+ essential business apps. Imagine your CRM and Helpdesk data flowing effortlessly into every customer interaction, empowering your team to deliver smarter, more personalized experiences. Trusted by over 22,000 businesses globally, Aircalls AI-powered platform supercharges sales and support. We automate the busywork—optimizing call routing, automating repetitive tasks–while simultaneously delivering actionable insights from across every customer interaction. As a result, your teams are free to focus on what truly matters: building and maintaining customer relationships. Aircall is where your tech stack unites and your teams excel. We transform customer interactions into strategic opportunities, fueling growth and turning conversations into satisfied customers. With Aircall, every connection counts.
Private Investor
May 2021
Were putting car freedom in your pocket to discover a world outside your city with our digital car rental app. Designed for city dwellers, we provide a range of cars on demand, that can be unlocked all with your phone thanks to our digital car key. Available to pick up from over 100 locations across Europe, or delivered to your chosen address, get all the freedom of driving without the burdens of owning or renting a car on you, our cities, and the planet.
Angel Investor
May 2021
In-Store Circular Solution, Empowering Retail Giants, Profitable Reuse At Lizee, our mission revolves around empowering large retail chains with a focus on "one stop shop" circular economy solutions, encompassing second-hand products, rentals, and, most importantly, the innovative concept of "drive to store." We equip companies with a comprehensive framework, cutting-edge tools, and unwavering support to swiftly, efficiently, and reliably establish highly effective rent and reuse options. Our ultimate goal is to ensure profitability for businesses, as we act as their profit protectors in navigating the challenging landscape of costly production and financially-constrained consumers. Join us in embracing the transformative power of circular economy principles, as we drive sustainability, convenience, and economic prosperity for both companies and their customers. Discover more here: www.lizee.co Or contact us directly: contact@lizee.co
Show all 36 entries ↓
Investment activity
2015–2021 · 33 investments
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