Killian O'Brien is currently an Associate Principal Scientist at Lytica Therapeutics, specializing in research since 2022. They previously worked as a Scientist II at Vesigen Therapeutics from 2021 to 2022 and held a postdoctoral position at Harvard Medical School and Massachusetts General Hospital from 2018 to 2021. Killian earned a PhD in Cell/Cellular and Molecular Biology and a Master's in Regenerative Medicine from the National University of Ireland, Galway, where they studied from 2012 to 2017, and obtained a Bachelor’s degree in Biochemistry from University College Cork, graduating in 2012.