Oleksandr Gamaniuk is a CEO at Tarta.ai. They is proficient in English. Colleagues describe them as "Alex is a true chatbot professional and it's a pleasure to work with him and his botmakers team. We have completed a number of projects and it's always a smooth process. Kudos to the team." and "It was a pleasure for me to work with Alexander. He is a good developer, not only in skills but also in overall attitude to work. He was a real asset to our team."