- Center Director
- Faculty and Staff
- Student Leadership and Ethics Board
- Join The Student Leadership & Ethics Board
- Student Leadership and Ethics Board Corner
- Ethical Implications of For Profit Impact Measurement Organizations
- Welcome Message from the Chairs
- Crafting a Career in Financial Freedom - A Montrone Seminar Series with Antonia Stroeh ’04
- SLEB Business Ethics Case Competition
- Sam Longair '18, Chair of SLEB, Reflects on his Inspiration for the Board
- Business Leaders' Focus on CSR is Misguided
- Conscious Corporate Citizenship at Work
- Defining Your Moral Purpose
- Leadership and Ethics Week
- Contact Us
- Curricular Initiatives
- The Botwinick Prize in Business Ethics
- The KPMG Peat Marwick / Stanley R. Klion Forum
- The Paul M. Montrone Seminar Series on Ethics
- Military Initiative Programming
- Diversity and Inclusion for All
- Leadership Conference
- Diversity, Equity, and Inclusion (DEI) Academic Conference
- Restoring Trust: New Realities and New Possibilities for Business Leadership
- Conscious Capitalism: How Ethical Executives Move the Needle Forward, One Business Decision at a Time
- Lucy Quist: A Global Role Model for Business Leadership
- Two Industry Pioneers Lead the Change for Clean Energy
- The Great Debate on the Ethics of Pricing in the Drug Industry
- Leading With Courage: Top Industry Trailblazers Discuss Pathways to Restoring Trust in Business
- Innovation and the Value of Privacy
- Events Calendar
- Support Us
Reuben Mark was the longest serving leader in the history of the Colgate-Palmolive Company. He served as chief executive officer for two and a half decades, leading the company through a period of extraordinary progress and growth, global expansion and ever-increasing worldwide market-share leadership, resulting from a sharply focused business strategy. Mr. Mark was a champion of the distinctive Colgate culture that sustained this success with a deep commitment to managing with respect, developing all Colgate people and instilling them with Colgate values and ethics.
Mr. Mark’s wide-ranging career at Colgate gave him experience in all geographic areas of Colgate’s worldwide business. He had the opportunity to work in Europe, Latin America, Asia, the United States, and Canada. He joined Colgate in 1963 as a marketing trainee and, in 1984, he was named chief executive officer and then chairman of the board in 1986, a position he held until 2009.
Over his career, Mr. Mark has been a director of a number of major U.S. and overseas companies including Citigroup, Time Warner, Inc., Toys “R” Us, International Can Company, Cabela’s, Inc., and Pearson plc.
In 2009, Mr. Mark was named one of the “Twenty Best All Time CEOs” by Portfolio magazine.
Mr. Mark received a master’s degree from Harvard Business School and an undergraduate degree from Middlebury College.