Richa Tiwari is an Applied Scientist at Amazon, leveraging a PhD in machine learning alongside over five years of experience in big-data analytics, predictive modeling, and optimization. Previously, Richa served as a Principal Data Scientist at United Airlines, focusing on aircraft maintenance planning, and as a Research Scientist at Amazon, where Richa led a team to enhance inventory prediction and reduce transportation costs significantly. Richa's academic achievements include over 20 citations in peer-reviewed journals, highlighting a strong research background complemented by proficiency in multiple programming and analytics tools. Richa also holds a senior analytics position at ZS, delivering impactful sales forecasting solutions for Fortune 500 pharmaceutical clients.