Rian Dolphin

AI Research Lead @ Polygon.io

AI Research Lead @ Polygon.io. Previously a Research Scientist at Amazon (AWS) and PhD in ML & Quant Finance.

RD

Experience

AI Research Lead

Polygon.io

Polygon.io logo

Rejoined Polygon to start the AI Research team.

June 2025 - Present

Research Scientist

Amazon

Amazon logo

AWS Network Monitoring. Stats, ML, LLMs, etc. at large scale.

September 2024 - June 2025

AI Researcher

Polygon.io

Polygon.io logo

Developed LLMs and time series analysis pipelines for financial data. Created RAG pipelines for corporate filings and extracted structured data from financial news.

April 2023 - July 2024

Recent Publications

2024

Extracting structured insights from financial news: An augmented LLM driven approach

R Dolphin, J Dursun, J Chow, J Blankenship, K Adams, Q Pike

arXiv preprint arXiv:2407.15788

2024

Contrastive Learning of Asset Embeddings from Financial Time Series

R Dolphin, B Smyth, R Dong

Proceedings of the 5th ACM International Conference on AI in Finance

2023

A Case-Based Reasoning Approach to Company Sector Classification Using a Novel Time-Series Case Representation

R Dolphin, B Smyth, R Dong

International Conference on Case-Based Reasoning

© 2025 Rian Dolphin. All rights reserved.