Harry Knowlman

AI-Powered Concierge, that makes second-hand selling effortless. Leveraging AI, Sempi handles the entire resale process for its users, from creating and optimizing listings across multiple platforms (Vinted, eBay, Leboncoin, Kleinanzeigen...) to managing customer interactions and closing sales. • Raised 100k€ pre-seed from Antler (Day 0 VC). • Reached 100k€ GMV in 5 months. • Built MVP leveraging Claude 3.5 Sonnet for multimodal vision and text workflows. • Designed user experience for seamless item onboarding and multichannel management. • Led product strategy, operations, go-to-market and brand development. • Part of Climate X and Fashion Forward climate accelerators

🏺Amastas is the new generation of long term rentals • 0 to 25k visitors per months • 0 to 60k followers on social media • 0 to 45% of direct tenant acquisition • Helped +2000 tenants find homes • Managed 10 people (developer, designer, content, social media, booking team, project managers) • Part of Masteos Leadership team

Nightlife subscription app that gets its members one free drink a day in the best bars, restaurants, and events in Paris. Becoming a member costs 9.99€ a month. Up to 30 drinks for the price of 1🍹 • Built a network of over 100 partner venues in Paris. • Signed B2B deals with global spirits companies (Pernod Ricard, Campari, Bacardi...) • Conducted 130k€ fund-raising with Business Angels and Seed Investment Fund. • Led user acquisition : 20k users, 3k paying subscribers, 48k followers, 30k newsletter subs, 35 events (+5M people reached). • Generated +200k€ revenue. • Managed +30 people of various backgrounds (sales, communication, development, design...). • Part of the first promotion incubated at Station F

🏡 Saas company for co-owned property management (50M€ raised) • Developed new partnerships with real estate companies à from 0,14% to 9% of leads generated. • In charge of specialized brokers: x2 leads generated in 3 months. • Overall, partnerships represented 40% of leads generated in June 2020. • Project management : launch of API to automate lead generation from partners.

Social music app: - Discover the music listened to by others around you - Meet people sharing a passion for music - Listen to music curated by artists and experts especially for you • Conducted development of the app on iOS & Android (team of 5 to 10 people). • 12k users in Paris in 3 months. • Partnerships with +50 music brands • Won multiple startup competitions ( MIDEM, Creative Startup, MaMa Event...). • Managed +20 people overall (developers, designers, and marketers, freelancers, interns, agencies...).

Global music streaming service • Day to day management of the regional teams in the Nordics, CEE, Asia, and Africa. • Monitoring of marketing campaigns: affiliation, display campaigns, SEM, partnerships... • Liaison between technical team in Paris and Country Managers