Christine de Wendel

Member Since 2021

Christine de Wendel

Co-Founder & CEO US


Atlanta Area


  • E-Commerce
  • Strategy
  • Due Diligence


March 31st, 2022

Here's how to form the right business alliance

Set your terms and conditions early to achieve a positive partnership and maximize outcomes.

February 28th, 2022

Why contactless QR code restaurant payments are poised to skyrocket

Pandemic pressures continue to rise as the new Omicron variant spreads and restaurants must find a way to survive—once again. 55% of diners choose contactless payment as one of the top three factors influencing choice of restaurant.

February 25th, 2022

Before engaging in the latest trends, assess your company

9 factors to weigh before investing time and money in viral trends. 

February 17th, 2022

Business changing? 15 ways to keep the original mission intact

Steer your team of leaders and employees in the right direction. 



sunday turns the tedious 15 minutes it takes to pay at a restaurant into a quick, simple experience that takes less than 10 seconds. You scan a QR code, pay, and walk away. In the meantime restaurateurs can focus on what matters for them: cooking incredible food and delivering an amazing guest experience. Founded by Victor Lugger and Tigrane Seydoux, the entrepreneurs and foodies behind Big Mamma, and Christine de Wendel. We are based in Paris, London, Madrid & Atlanta. We recruit food & tech enthusiasts. Our 3 values mean this: Simple - building powerful solutions through intuitive design Trust - transparent and accountable in everything we do Beyond - a collective journey, boldly driven by fearlessness Apply here: Instagram: @sundayapp_ Twitter: @sundayapp_


Corporate leadership