Vignesh Prabhakar
About Vignesh Prabhakar
Vignesh Prabhakar is a Senior NLP Data Scientist currently working at TIFIN, where he has developed a conversational AI assistant focused on financial wellness. He has extensive experience in artificial intelligence and data science, having previously held positions at Genentech and the Keck School of Medicine at USC.
Work at TIFIN
Vignesh Prabhakar currently serves as a Senior NLP Data Scientist at TIFIN, a position he has held since 2024. In this role, he developed a conversational AI assistant for the Tifin @Work platform, which focuses on providing financial wellness and advice to employees. His work involves fine-tuning AI models and implementing features that enhance user interaction and experience.
Previous Experience at Genentech
Prior to his current role, Vignesh worked at Genentech for a total of two years, from 2021 to 2023, where he held positions as an Artificial Intelligence Engineer and later as a Senior Artificial Intelligence Engineer. His responsibilities included developing AI solutions and improving machine learning models. He also completed an AI Engineer Internship at Genentech from 2020 to 2021.
Education and Expertise
Vignesh holds a Master's degree in Applied Data Science from the University of Southern California, completed between 2019 and 2021. He also earned a Bachelor of Technology in Computer Science from SRM University from 2015 to 2019. His educational background includes training in deep learning during a winter internship at the National University of Singapore in 2017.
Research and Development Projects
Vignesh has been involved in various research and development projects throughout his career. He trained a RoBERTA-large sequence classification model for topic modeling user queries, which helps identify queries that require escalation to financial advisors. Additionally, he fine-tuned the GPT-3.5-turbo model, achieving a 7% improvement in response accuracy. He also implemented conversational memory for the AI Assistant, enhancing its ability to recall past interactions.
Internships and Early Career
Vignesh's early career includes several internships and roles that contributed to his expertise in data science and AI. He interned as a Data Engineer at Hewlett Packard Enterprise in 2018 and served as a Teaching Assistant at the National University of Singapore. He also worked as a Data Analyst Intern and a Teaching Associate at Corporate Gurukul, gaining valuable experience in data analysis and education.