Anna Lankauf is the CEO and Co-Founder of Callstack.io, a company that specializes in React and React Native web and app development. Her vast experience in user experience design, strategic marketing, and management helped in establishing the company as a pioneering force in the shift towards shared codebases for software development. Anna Lankauf studied at Szkoła Wyższa Psychologii Społecznej w Warszawie, where she took up a Master's degree in Psychology with a specialization in Psychology of Marketing and Management. Her wide array of professional experiences include being a User Experience Strategist, Team Leader, and Designer at Divante, a Junior User Experience Designer, an Internship at Divante, and a Marketing Specialist at Transenter. She also founded Shufflady and worked as an Intern at Labiometrics.