William Chisholm, a prominent figure in the world of private equity and business, has made significant contributions to the financial and sports industries. Born and raised in Georgetown, Massachusetts, Chisholm grew up in a family that valued education and community involvement. His father, William F. Chisholm Sr., played a pivotal role in establishing the Georgetown High School soccer program, a legacy that influenced William Jr.’s early life and interests.
Chisholm’s academic journey began at Dartmouth College, where he pursued his undergraduate studies and actively participated in the college’s soccer team. His passion for sports, particularly basketball, was evident from a young age, as he developed an “encyclopedic knowledge” of the Boston Celtics, his favorite NBA team. After graduating from Dartmouth in 1991, Chisholm furthered his education by earning a Master of Business Administration (MBA) from the prestigious Wharton School at the University of Pennsylvania.
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Chisholm’s professional career took off in the fields of investment banking and technology investing. He worked with renowned firms such as Bain & Company and Paine Webber, gaining valuable experience in management consulting and financial services. In the late 1990s, he co-founded the Valent Group, a venture capital and risk consulting firm, which marked the beginning of his entrepreneurial journey.
In 2002, Chisholm co-founded the Symphony Technology Group (STG), a private equity firm based in California. As the managing partner and chief investment officer (CIO) of STG, Chisholm has played a crucial role in shaping the firm’s investment strategies and overseeing its portfolio companies. STG specializes in investing in and building software and technology-enabled services companies, focusing on mid-market businesses. Under Chisholm’s leadership, the firm has grown significantly, managing over $10 billion in total assets by 2025.
Chisholm’s expertise extends beyond private equity. He serves on the board of directors for several companies, including Cadmium, CAI Software, eProductivity Software, Jobrapido, RSA, Skyhigh Security, Symphony Talent, Trace One, and Trellix. His involvement in these organizations highlights his commitment to fostering innovation and growth in the technology sector.
In March 2025, Chisholm made headlines when he led a consortium to purchase the Boston Celtics for a record-breaking $6.1 billion, the highest amount ever paid for a North American sports franchise. This acquisition marked a significant milestone in Chisholm’s career, as it combined his lifelong passion for basketball with his business acumen. The deal, which is pending approval by the NBA’s board of governors, positions Chisholm as the majority owner of the Celtics, with a 51% stake in the team. The current owners retain the option to hold the remaining shares until 2028.
Chisholm’s personal life reflects his dedication to family and philanthropy. He is married to Kimberly Ford Chisholm, and the couple has three children. The Chisholms are actively involved in supporting charitable causes, particularly those related to Type 1 diabetes. In 2016, they were honored with the Breakthrough T1D Impact Award for their contributions to curing, preventing, and treating the disease.
Despite his professional success, Chisholm remains deeply connected to his roots. He owns a home on Nantucket Island and plans to purchase a residence in Boston, reflecting his commitment to the local community. His passion for sports, education, and innovation continues to inspire those around him, making him a respected figure in both the business and sports worlds.
William Chisholm’s journey from a small-town upbringing to becoming a leading figure in private equity and the owner of an iconic NBA franchise is a testament to his vision, determination, and ability to adapt to changing landscapes. His story serves as an inspiration to aspiring entrepreneurs and business leaders, showcasing the power of combining passion with purpose. As he continues to make strides in his career, Chisholm’s impact on the industries he touches is sure to leave a lasting legacy.
William Chisholm Net Worth
William Chisholm’s exact net worth is not publicly available. However, as the co-founder and managing partner of Symphony Technology Group (STG), which manages over $10 billion in assets, it is estimated that he is worth billions of dollars. His wealth largely stems from his successful career in private equity and his substantial investments in technology-driven companies.
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William Chisholm Age
William Chisholm was born in 1969, making him 56 years old as of 2025. With decades of experience in business and private equity, he has established himself as a key figure in the financial sector and beyond.
William Chisholm’s Celtics
In March 2025, William Chisholm led a group of investors to purchase the Boston Celtics for a record-breaking $6.1 billion, making it the highest amount ever paid for a North American sports franchise. A lifelong Celtics fan, Chisholm holds a 51% ownership stake, with the remainder expected to transfer ownership by 2028. He has praised the leadership of individuals like Wyc Grousbeck, Brad Stevens, and Joe Mazzulla, and emphasized his commitment to preserving the Celtics’ legacy and achieving continued success.
William Chisholm’s Symphony Technology Group (STG)
William Chisholm co-founded Symphony Technology Group (STG) in 2002, a private equity firm focused on software and technology-enabled services companies. As the managing partner and chief investment officer (CIO), he has been instrumental in growing STG, which manages over $10 billion in assets. The firm specializes in acquiring and transforming mid-sized technology companies, with notable investments in companies like McAfee Enterprise, RSA Security, and Avid Technology. Chisholm’s leadership has solidified STG’s position as a major force in the private equity sector.
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William Chisholm’s Wiki
Although William Chisholm does not have a dedicated Wikipedia page, his life and career have been documented through various biographies and business profiles. Key highlights include his upbringing in Georgetown, Massachusetts, his education at Dartmouth College and the Wharton School, and his achievements, such as co-founding STG and acquiring the Boston Celtics. His philanthropic contributions, particularly toward Type 1 diabetes research, and his dedication to social responsibility, further define his legacy as a business leader and visionary.
