Research focuses on quantum dynamics and excited-state reactivity in biological and synthetic light-harvesting systems. Discovered long-lived quantum coherence in photosynthetic light-harvesting complexes (FMO, 2007). Develops 2D electronic spectroscopy techniques to probe excitonic transport, open quantum systems, and photochemical reaction dynamics on femtosecond timescales. Director NSF QuBBE; co-director Berggren Center for Quantum Biology and Medicine.

Explores boundary between condensed-matter physics and quantum sensing using superconductor-semiconductor circuits. Directions: (1) gate-tunable superconductor-semiconductor parametric amplifier for quantum-limited readout (PRA 2023); (2) room-temperature capacitive strong coupling to mechanical motion for electromechanical sensing (Nano Letters 2025); (3) quantum criticality in Josephson junction arrays; (4) synthetic Hamiltonians in hybrid SC-semi devices probing hidden material behavior. IST Austria → Microsoft → JILA → UChicago Nov 2023.