Professor Pegion is an expert in predictability of weather and climate and climate data science. She has raised over $7M in research funding, published 35 peer-reviewed articles, and given 22 invited talks. She co-leads the Subseasonal Experiment (SubX). She teaches courses in Atmosphere-Ocean Interactions, Earth System Modeling, Introduction to Global Climate Change, and Climate Data Analysis. She serves at co-lead of the NOAA Subseasonal to Seasonal Task Force, member of the Weather Science Working Group in the Office of the Federal Coordinator of Meteorology and was previously co-Chair of the US Clivar Predictability, Predictions, Applications Interface Panel. She also serves as Associate Editor of Journal of Climate.