Dan joined CD&R in 2023 after holding senior positions in commercial insurance and insurance brokerage across the United States, Europe, and the Middle East for more than four decades, most recently as President and CEO of Marsh McLennan (NYSE: MMC). Dan held a series of senior leadership roles at MMC, including Chairman and Chief Executive Officer of Marsh, interim CEO of Mercer, and Group President and Chief Operating Officer before becoming President and CEO in 2013. Earlier in his career, Dan acted as the President and Chief Operating Officer of the Willis Risk Solutions business and served in senior roles at AIG, including leading its UK and Ireland business. Dan formerly served as the Chairman of the US Federal Advisory Committee on Insurance and the Board of Trustees for the Institutes. He also served on the Executive Committee of the Partnership for New York City. Dan is a graduate of Ohio Wesleyan University and completed the Advanced Management Program at Harvard Business School. He holds an Honorary Doctor of Humane Letters degree from St. Thomas Aquinas College. In 2024, Dan was appointed an honorary Most Excellent Officer of the Order of the British Empire (OBE) in recognition of his services to UK/US trade and investment.