On the theoretical side, I am fascinated by tidal interactions. Have you ever wondered why we always see the same side of the Moon? This is because the tide locks its spin rate to its orbital frequency around the Earth. I apply similar physics to study the evolution of a variety of astrophysical systems, ranging from migrating proto-hot Jupiters to coalescing binaries of compact objects. Besides tides in binaries, I am also interested in hierarchical triple systems. Here, a binary as a whole interacts with a tertiary perturber via both Newtonian and post-Newtonian effects.