Dedi Irwanto Samosir is a highly skilled professional in the field of data science and machine learning, currently serving as Lead Data - AI / Machine Learning Engineer at PT. Kognitif Skema Indonesia since November 2023. Dedi has extensive experience as a Freelance Tech Advisor and Machine Learning Instructor with Bangkit Academy, and has also contributed as a Data Analyst Mentor and Tech Instructor at GoTo Impact Foundation. Prior roles include Senior Data Scientist at PT. Permodalan Nasional Madani (Persero), and various specialist positions at BCA Finance focused on IT Data Innovations and Analytics. Dedi's career began with internships at PT PP Energi and PT. Bhanda Ghara Reksa (Persero) while completing a Bachelor’s degree in Computer Information Systems at Universitas Mercu Buana from 2016 to 2020.