About the Authors authors Amaryllis Liampoti Amaryllis is a senior leader with a track record in driving scalable growth for B2B and B2C businesses. With a passion for data driven marketing and product development and a truly global perspective, Amaryllis has honed a wide breadth of skills in her more than 15 years of working in digital. Today Amaryllis serves as Partner and Director of Growth at BCG Digital Ventures. She focuses on scale-ups and growth acceleration for digital businesses. Amaryllis came to DV with a diverse background in founding and scaling technology driven businesses and in key leadership roles at innovative companies across Europe. Notably, she served as Vice President of Marketing at Rocket Internet SA, where she led the development of growth strategies, from seed phase to market leadership for new and existing ventures of the German incubator. She was also part of the founding team at Campsy.com, where she oversaw the company's growth in her role as co-founder and CMO. Nils Christian Melcher Nils is a Managing Director and Partner at BCG Digital Ventures and angel investor with extensive experience in launching and scaling digital business models. He has a 17+ years of experience within digital, starting his first e-commerce experience in the mid 2000s. Nils has a passion for data driven customer acquisition topics ever since his work at a mobile gaming startup. Today, Nils serves as the leader of the CEMA Consumer & Retail practice within BCG Digital Ventures and focuses on building corporate-backed e-commerce business models for both B2B and B2C. Nils joined DV with a previous career in digital consulting as well as startup experience. He worked for 9 years as consultant focusing on digital transformation for Booz & Company and served as Head of Mobile Technology at Aeriagames (previously owned by Pro7Sat.1), where he led the mobile gaming business.