I'm broadly interested in early-universe astrophysics and cosmology. My recent work has been on understanding the epochs of cosmic dawn and reionization, especially on what the first galaxies can tell us about dark matter. If you want to see a fairly recent talk on my work here's a link to the Clay Lecture I gave at the Harvard-Smithsonian CfA.
You can find the codes that I have written in the github, including:
Here is a list of some of the topics I'm excited about, and some of the results my group has gotten. If you're interested in any of this please get in touch!