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Attanasio
Mark Attanasio
Rank #2217
UNITED STATESFinance InvestmentsFinance

Mark Attanasio

Net Worth
$1.855B
0% (24h)
Mark Attanasio is an American businessman and investor, best known as the chairman and principal owner of the Milwaukee Brewers baseball team. With a current estimated net worth of $1.9 billion, Attanasio's wealth stems primarily from his career in finance and investments. He co-founded Crescent Capital Group, a Los Angeles-based alternative investment firm. Beyond his business ventures, Attanasio is actively involved in various philanthropic endeavors, including contributions to geriatric medicine research and support for youth and the arts. His career spans over 35 years as an investment management executive.

How to read Mark Attanasio's profile

Public net-worth figures are estimates. They combine observable inputs—typically listed equity, disclosed transactions, and market prices—with editorial judgment where filings are incomplete (for example, private holdings, debt, or cross-holdings). For Mark Attanasio, we anchor the narrative to Finance and Finance, then update the headline number as markets move. The chart on this page is meant to show trajectory, not a certified balance sheet.

When you see $1.855B alongside global rank #2217, interpret it as our best synthesis of widely cited ownership and price signals—not a claim about cash on hand. Estimates can diverge from other publishers because of different treatment of options, trusts, charitable vehicles, or illiquid assets. We document the general approach in methodology and welcome corrections via corrections.

Country (UNITED STATES) and career milestones on this page are curated for reader context; they should be verified against primary sources when used for research. Editorial metadata for this profile is refreshed on a rolling basis, with deeper audits at least annually (last noted cycle: 2026).

Looking for depth? When available, the dossier and timeline sections below add long-form context beyond the headline number—prioritize those modules when evaluating claims about strategy, controversies, or philanthropic commitments.

The Full Dossier

Early Life

Mark L. Attanasio was born on September 29, 1957, in the Bronx, New York. He is the son of Joseph Attanasio, a commercial consultant, and Connie Attanasio, a real estate broker. Attanasio grew up in Tenafly, New Jersey, and graduated from Tenafly High School in 1975. He went on to earn a B.A. from Brown University in 1979 and a J.D. from Columbia Law School in 1982.

Rise to Success

Attanasio began his career in law. He transitioned into finance, co-founding Crescent Capital Group in 1991, a Los Angeles-based investment firm. He has been an investment management executive for over 35 years. In 2005, he became the principal owner of the Milwaukee Brewers. Under his leadership, the Brewers have achieved considerable success, holding the fourth-highest winning percentage in the National League since 2005. He has also expanded his sports investments to include the English football club Norwich City, where he is the majority shareholder. He is also the Chairman of Major League Baseball's Investment Committee.

Key Business Strategies

Attanasio's business strategy involves a disciplined approach to investment management, focusing on debt-focused investments. He has also emphasized community engagement and best practices within the Milwaukee Brewers organization, including training and leadership development for all employees.

Philanthropy

Attanasio is actively involved in philanthropy. He and his wife, Debbie, have made significant donations to the Brewers Community Foundation. They also support geriatric medicine research through the Innovation in Geriatric Medicine Fund at UCLA. He supports various other philanthropic causes focusing on underprivileged youth, education, and the arts.

Career Timeline

2022

Became Majority Shareholder of Norwich City F.C.

Became a director of the English football team.

2005

Became Principal Owner of Milwaukee Brewers

Led a group to purchase the Milwaukee Brewers.

1991

Cofounded Crescent Capital Group

Co-founded a Los Angeles-based alternative investment firm.

1982

Graduated from Columbia Law School

Earned a Juris Doctor degree.

1979

Graduated from Brown University

Earned a Bachelor of Arts degree.

Philanthropic Impact

Community Support$1M

Brewers Community Foundation

Significant financial contributions to support local non-profits in healthcare, education, recreation, and basic needs.

Healthcare$1M

Innovation in Geriatric Medicine Fund

Supports research, physician training, and clinical programs in geriatric medicine at UCLA.

HealthcareUndisclosed

Pancreatic Cancer Research at MCW

Donation to the Medical College of Wisconsin in honor of Bob Uecker.

Key Business Ventures & Holdings

CompanyStakeValue
Milwaukee Brewers45.00%$1.6M
Norwich City F.C.85.00%

Net Worth History

In-Depth Analysis

Early Life

Mark L. Attanasio was born on September 29, 1957, in the Bronx, New York. He is the son of Joseph Attanasio, a commercial consultant, and Connie Attanasio, a real estate broker. Attanasio grew up in Tenafly, New Jersey, and graduated from Tenafly High School in 1975. He went on to earn a B.A. from Brown University in 1979 and a J.D. from Columbia Law School in 1982.

Rise to Success

Attanasio began his career in law. He transitioned into finance, co-founding Crescent Capital Group in 1991, a Los Angeles-based investment firm. He has been an investment management executive for over 35 years. In 2005, he became the principal owner of the Milwaukee Brewers. Under his leadership, the Brewers have achieved considerable success, holding the fourth-highest winning percentage in the National League since 2005. He has also expanded his sports investments to include the English football club Norwich City, where he is the majority shareholder. He is also the Chairman of Major League Baseball's Investment Committee.

Key Business Strategies

Attanasio's business strategy involves a disciplined approach to investment management, focusing on debt-focused investments. He has also emphasized community engagement and best practices within the Milwaukee Brewers organization, including training and leadership development for all employees.

Philanthropy

Attanasio is actively involved in philanthropy. He and his wife, Debbie, have made significant donations to the Brewers Community Foundation. They also support geriatric medicine research through the Innovation in Geriatric Medicine Fund at UCLA. He supports various other philanthropic causes focusing on underprivileged youth, education, and the arts.

Data Sources & Methodology

Figures for Mark Attanasio are synthesized from the sources below and cross-checked against our net worth methodology. Estimates may lag market moves; see corrections to report discrepancies.