Hyliion Holdings Corp. has announced that Dennis M. Gallagher has joined the company as Chief Operating Officer. Gallagher brings over 20 years of experience leading high-performing business units with a focus on global manufacturing and commercial vehicles. He will oversee aspects of Hyliion’s commercialization process. Gallagher has extensive background in strategic planning, growth initiatives, and process implementation in the commercial vehicle and automation industries. He joins Hyliion from Jacobs Vehicle Systems, where he served as President of the heavy-duty commercial truck market. Previously in his career, he has held executive roles within Danaher and Fortive where he successfully led a number of global business units. Gallagher graduated from the University of Lowell with a B.S. in Electrical Engineering.