When U.S. engineering firms and clients needed more than technical answers following the outbreak of COVID-19, Robin Greenleaf met the moment as elected chair of the U.S. advocacy group American Council of Engineering Companies. She represented ACEC membership through the pandemic and the social and political flash points that followed. “We learned quickly that if it’s not a clear business-related issue to the engineering community, we would have half of our members be happy and half of our members be angry no matter what we did,” says Greenleaf, the group’s first woman chair. With travel halted and uncertainty rippling through project pipelines, Greenleaf helped ACEC pivot to rapid knowledge sharing.…