Rian Dolphin

AI Research Lead @ Massive.com

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

Experience

AI Research Lead

Massive.com

Rejoined Massive.com to start the AI Research team.

June 2025 - Present

Research Scientist

Amazon

AWS network monitoring and observability. Stats, ML, LLMs, etc. at large scale. Also worked with Amazon during my PhD before joining full time.

September 2024 - June 2025

AI Researcher

Massive.com

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

2026

Taxonomy-Aligned Risk Extraction from 10-K Filings with Autonomous Improvement Using LLMs

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

arXiv preprint arXiv:2601.15247

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