Justin Rosner

Justin is a principal who focuses on growth- and later-stage investments in the industrial-technology and life science tools sectors. He is currently involved with Battery’s investments in AnalytiChem, Axiometrix Solutions, Goodfellow, ifp Institut für Produktqualität (ifp), Mobius Institute, , Robotiq, Skalar, SPT Life Sciences, steute Technologies and Titian.

Justin’s previous investments include Process Sensing Technologies (PST), which was acquired by AEA in 2020. Battery retained a portion of its ownership, and stayed actively involved alongside AEA, before PST’s subsequent acquisition by DwyerOmega in 2024.

Prior to joining Battery, Justin spent time at Copley Equity Partners, a private-equity firm focused on lower-middle market investments.

Justin graduated Phi Beta Kappa from Dartmouth College with a BA in economics and public policy. While at Dartmouth, he was a member of the varsity soccer team.