Robert Mazer, a pioneering American chemical engineer, industrialist, philanthropist, and prominent figure in Major League Baseball ownership, passed away on October 18, 2013, at the age of 90 in Chicago, Illinois. His death marked the end of a long and impactful life, one distinguished by innovation in industry, deep philanthropic commitment, and a significant role in the sporting and civic fabric of Chicago.
Who was Robert Mazer
Born on August 11, 1923, in Milwaukee, Wisconsin, Robert Mazer came from a Jewish family of Russian descent. His early years were shaped by a strong emphasis on education, discipline, and the values of hard work and perseverance. He went on to attend the University of Wisconsin–Madison, where he majored in chemical engineering—a decision that would form the foundation of a remarkably successful business career.
Robert Mazer was best known as the founder of Mazer Chemicals, Inc., a company he built from the ground up into a leader in the development and commercial production of emulsifiers and surfactants. These essential chemical compounds are used in a wide range of industries, including cosmetics, cleaning products, food production, and household care. Under Mazer’s visionary leadership, the company grew to employ over 250 people and expanded its operations internationally, establishing offices and commercial relationships in Canada, Mexico, and the United Kingdom. His reputation as a forward-thinking industrialist earned him widespread respect in both scientific and business communities.
Robert Mazer Career
In 1985, after decades of success in the chemical industry, Mazer sold his company and transitioned into a new chapter of his life—one that brought him into the world of professional sports. That same year, Robert Mazer purchased a substantial ownership stake in the Chicago White Sox, one of Major League Baseball’s most storied franchises. Though the team was controlled by a consortium led by Jerry Reinsdorf, Mazer became the largest single shareholder and principal owner, holding a significant voice in the organization’s operations and strategic direction. His involvement in the White Sox was characterized by a passion for the sport and a strong commitment to ensuring the team’s stability and competitiveness.
Beyond his professional endeavors, Robert Mazer was also a deeply generous philanthropist and an engaged supporter of Jewish causes in the United States and beyond. Alongside his wife, he contributed millions of dollars to charitable and political organizations serving the Jewish community. Among the groups that benefited from his generosity were the Jewish United Fund, World ORT, and AIPAC (the American Israel Public Affairs Committee). His philanthropic work reflected a lifelong dedication to supporting education, community development, and political advocacy.
Over the course of his remarkable life, Robert Mazer exemplified a rare and inspiring blend of intellectual brilliance, entrepreneurial vision, civic-minded leadership, and a profound dedication to philanthropy. His impact was felt across a diverse range of spheres—from the complex world of chemical engineering and global business to the heart of professional sports and the charitable organizations he so passionately supported. In every arena he entered—be it the corporate boardroom, the ballpark stands, or community institutions—Robert carried with him an unshakable commitment to excellence, purpose, and integrity.
His legacy is not simply defined by the successful companies he built or the high-profile investments he made, but by the intention behind them. Robert consistently sought to create lasting value—not just economic or professional, but human and social. He was deeply motivated by a desire to give back, to uplift others, and to leave behind a world better than he found it. This guiding principle shaped the way he approached both business and philanthropy, earning him respect not only as a leader, but as a mentor, benefactor, and role model.
Even in the years following his passing, Robert Mazer’s influence continues to be felt. His contributions to science and industry helped drive innovation and economic growth. His involvement in professional sports brought stability and vision to one of baseball’s iconic franchises. And his philanthropic efforts continue to support educational, cultural, and humanitarian causes that serve thousands.
Ultimately, Robert is remembered not only for his many accomplishments, but for the values he stood for—generosity, humility, perseverance, and compassion. His life story is a powerful testament to what is possible when talent is paired with heart, and when success is used not just for personal gain, but for the greater good. The lives he touched, the communities he strengthened, and the principles he upheld ensure that his memory will live on, inspiring others for generations to come.