Nikola Greb is a passionate Data Scientist and NLP specialist with extensive experience in natural language processing, machine learning, and Python programming. Certified as a Senior Data Scientist (SDS™) by the Data Science Council of America, Nikola is driven by a commitment to transforming complex datasets into actionable insights and real-world solutions.

Throughout his career, Nikola has worked with organizations such as evocenta GmbH, Mobilunity, and Vectaron, applying advanced AI models—including GPT-4, GPT-3.5, and BERT—to solve intricate problems across domains. As the founder of Ngram Phi, and with a diverse professional background spanning data science, HR consulting, and software sales, Nikola brings a unique blend of technical expertise and interpersonal insight to every project.

His academic foundation in Industrial and Organizational Psychology from the University of Zagreb enhances his understanding of human-centered AI applications. His work has been published in areas exploring the psychological dimensions of human strengths, gratitude, and social media sentiment through topic modeling.

In addition to developing models and NLP systems, Nikola is a dedicated educator and mentor, passionate about guiding others through the complexities of data science and machine learning. Fluent in both Croatian and English, he brings a global perspective to his work, continuously exploring cutting-edge technologies and sharing that knowledge with the broader community.