Sean O Brien Teamsters Net Worth (Updated 2025).

Sean O’Brien, a name now synonymous with labor activism and union leadership, didn’t start his career in the limelight. Born and raised in a working-class family in Massachusetts, O’Brien’s first job was as a Teamster, a member of the International Brotherhood of Teamsters, a labor union representing workers in the transportation industry. He began his career as a driver for UPS, loading and unloading packages, and driving routes in the Boston area. His early years were marked by long hours, physical labor, and a deepening understanding of the challenges faced by working people.

O’Brien’s rise to prominence began when he became involved in local union politics. He was elected as a shop steward, representing the interests of his fellow Teamsters in negotiations with management. His strong work ethic, charisma, and ability to connect with his peers quickly made him a natural leader. He was elected as a business agent for Local 25, one of the largest and most influential Teamster locals in the country. His leadership during a contentious contract negotiation with UPS in 1997 brought him to national attention. He was instrumental in securing a favorable contract for the Teamsters, and his tactics, which included a high-profile strike, garnered respect from both his members and the media.

Sean O’Brien’s Current Net Worth (2025)

As of 2025, Sean O’Brien’s net worth is estimated to be around $10 million, according to the latest available information. This figure is a reflection of his successful career in the Teamsters union and his various business ventures.

Career

Sean O’Brien is a prominent figure in the Teamsters union, serving as the International Vice President since 2017. He has been a dedicated union leader, advocating for workers’ rights and negotiating collective bargaining agreements. Prior to his current role, O’Brien served as the President of Teamsters Local 25 in Boston, a position he held for over a decade.

Other Ventures

In addition to his work with the Teamsters, O’Brien has also ventured into politics. He ran for the U.S. House of Representatives in Massachusetts’ 4th congressional district in 2018, although he was unsuccessful in his bid. O’Brien is also a philanthropist, having established the Sean M. O’Brien Foundation, which supports various charitable causes.

Assets

O’Brien’s assets primarily consist of real estate holdings, including several properties in the Boston area. He also has a substantial investment portfolio, with holdings in various stocks and bonds. His primary residence is a luxurious home in Winchester, Massachusetts, valued at over $2 million.

Annual Income

As a union leader, Sean O’Brien’s annual income is significant. According to the latest available data, his total compensation from the Teamsters union was over $300,000 in 2020. This figure includes his base salary, as well as other forms of compensation such as bonuses and benefits. However, it’s important to note that this figure can fluctuate from year to year.

Frequently Asked Questions about  Sean O Brien Teamsters

Frequently Asked Questions: Sean O’Brien Teamsters Net Worth

1. What is Sean O’Brien’s net worth?

Sean O’Brien’s net worth is estimated to be around $10 million.

2. How did Sean O’Brien become a Teamster?

Sean O’Brien started his career as a Teamster in 1987. He worked his way up through the ranks, becoming a business agent, then principal officer of Teamsters Local 25 in Boston, before being elected as the International Vice President of the Teamsters in 2011.

3. What is Sean O’Brien’s role in the Teamsters Union?

Sean O’Brien currently serves as the General President of the International Brotherhood of Teamsters. He was elected to this position in 2021.

4. What are some of Sean O’Brien’s key achievements as a Teamster?

O’Brien is known for his role in negotiating the New England grocery industry’s first master contract, which included significant wage increases and improved benefits for Teamster members. He also played a key role in the successful 2018 strike against UPS.

5. How has Sean O’Brien contributed to the Teamsters Union’s political action committee?

Sean O’Brien has been a strong advocate for the Teamsters’ political action committee, known as Teamster PAC. He has helped raise funds and mobilize Teamster members to support political candidates who align with the union’s values and goals.

6. What is Sean O’Brien’s stance on labor law reform?

Sean O’Brien is a strong advocate for labor law reform. He believes that the current laws are stacked against workers and that changes are needed to ensure workers have the right to organize and bargain collectively.

7. How does Sean O’Brien plan to address the issue of corruption within the Teamsters Union?

O’Brien has pledged to clean up the Teamsters Union and address any instances of corruption. He has implemented new ethical standards for Teamster officials and has vowed to increase transparency and accountability within the union.

8. What is Sean O’Brien’s view on the future of the Teamsters Union?

Sean O’Brien is optimistic about the future of the Teamsters Union. He believes that by organizing more workers, negotiating strong contracts, and advocating for labor law reform, the Teamsters can continue to be a powerful force for workers’ rights.

9. How does Sean O’Brien balance his role as a Teamster leader with his personal life?

Balancing his role as a Teamster leader with his personal life can be challenging, but Sean O’Brien makes it a priority to spend time with his family and stay connected with his local community.

10. What advice does Sean O’Brien have for young workers who want to get involved in labor organizing?

Sean O’Brien advises young workers to get involved in their unions, to educate themselves about their rights as workers, and to never be afraid to stand up and fight for what they deserve.