Arthur Waller

Arthur Waller is a French tech entrepreneur and the co-founder and CEO of Pennylane, a Paris-based fintech platform automating accounting and financial management for SMEs. Before launching Pennylane, he co-founded the hotel revenue management startup PriceMatch in 2012, serving as its CEO until its successful acquisition by Booking.com in 2015. Following the acquisition, Waller spent over two years as a Product Director at Booking.com and holds degrees from Sciences Po, ENSAE Paris, and École Centrale Paris. Under his leadership, Pennylane achieved unicorn status with a valuation exceeding €1 billion after securing a €40 million Series C round in February 2024 from investors including Sequoia Capital and DST Global. Serving over 100,000 users, the B2B SaaS company recently expanded by launching an AI-powered financial forecasting tool in January 2025 and acquiring Beck'n'Cie in March 2025.