CEO of American Chemical Society says she has accomplishments but not a legacy; next chapter includes part-time leadership role Jacobs It took 11 years for Madeleine Jacobs to cross everything off her to-do list as CEO of the American Chemical Society. Now it is up to her successor to steer the world's largest scientific society to the next level. "To address the next set of challenges I would need another five to seven years," Jacobs said. "It seemed like this was a good time to move on to other things I want to get accomplished." Jacobs' last day as CEO is Feb. 13. Recently retired DuPont executive Thomas Connelly takes the top job Feb. 17. ACS has more than… Read More