Johnny Chang is a highly educated and experienced data scientist, electrical and computer engineer. He is an alumnus of Cornell University, where he achieved a Master's degree in Electrical and Computer Engineering, and The Johns Hopkins University, where he obtained his Bachelor's degree in the same field. His keen interest in global education led him to complete a Study Abroad program at Yonsei University.

Johnny Chang has worked for several renowned organizations, beginning with Citigroup, where he served as a Technology Analyst, followed by Capital IQ, where he worked as a Software Engineer. He then held the position of Associate Financial Engineer at putnam Investments, followed by the role of Data Scientist at SessionM. He then went on to work as an Electronic Trading Data Scientist - Capital Markets at Fidelity Investments, where he also served as Director of Data Science - Center for Applied Technology.

Throughout his career, Johnny Chang has acquired expertise in data science, financial engineering, electronic trading, software engineering, and education. He is an experienced SAT teacher and has developed a deep understanding of financial markets and technology development. His passion for data science has allowed him to work in artificial intelligence and machine learning, predictive modeling, and optimization techniques.