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Olivia Krohn (Photo by Randy Wong)

Krohn was awarded the Jill Hruby Postdoctoral Fellowship, named for the first woman to lead a national security lab. Krohn’s research focuses on molecular collisions, particularly at low energies. Her team employs advanced laser techniques which help control the velocity of molecules and measure the energy distribution after molecules collide.

Krohn completed her PhD in physics at CU Boulder in 2023 with Professor and JILA Fellow Heather Lewandowski. Her dissertation focused on trapping laser-cooled ions to perform and observe cold chemical reactions. She was also awarded the 2025 Justin Jankunas Doctoral Dissertation Award in Chemical Physics by the American Physical Society.

Dan Herman (Photo by Craig Fritz)

Herman received the President Harry S. Truman Postdoctoral Fellowship and is developing earth science and quantum applications of optical frequency combs. His research is both fundamental and has real-world applications by improving atmospheric remote sensing.

Herman conducted his doctoral research at the National Institute of Standards and Technology (NIST), culminating in a PhD from CU Boulder in 2022. His research centered on improving fiber frequency comb technology and bridging those advances to industrial applications. Following his PhD, he held a postdoctoral position at NIST and with Professor Scott Diddams at CU Boulder.