With over 24 years of work experience, I am a passionate and innovative founder of DEFTER / Bizce Teknoloji. I have a strong background in data mining, recommender systems, and personalization, and a master's degree in science and technology policy studies. I am driven by the mission of creating handy and user-friendly solutions for both personal and commercial accounting, as well as for education and social network. I value diversity, creativity, and collaboration, and I strive to bring these values to my teams and my users.At DEFTER, I lead the conceptual design, development, and marketing of a money manager service that has reached more than 3 million users from 100+ countries and 17 languages. I also oversee the other mobile apps that my company, Bizce Teknoloji, has developed, such as Calculator Book, Şiirce, Konu Takip, and BiHarika. These apps cover various domains and cater to different needs and preferences of the users. I use my skills in data mining, recommender systems, and personalization to enhance the user experience and retention rate of these apps.