James Sinegal Net Worth (Updated 2026).

James Sinegal, a name synonymous with retail success, began his career in the industry at an early age. Born and raised in Seattle, Washington, he started working part-time at a local grocery store as a teenager, a job that would eventually shape his entire career. His first encounter with the retail world was during his high school years, where he was employed by a local Safeway store. This initial exposure to the retail environment sparked an interest that would later grow into a passion for the business.

After graduating from high school, Sinegal decided to pursue a full-time career in retail. He joined the ranks of another local grocery chain, MacDonald’s Markets, in 1958. Here, he worked his way up from a simple clerk position to become the company’s president by the age of 34. It was during his tenure at MacDonald’s that Sinegal honed his skills in management, customer service, and merchandising, skills that would later prove invaluable in his future endeavors.

James Sinegal’s Current Net Worth

As of 2025, James Sinegal’s current net worth is estimated to be around $1.5 billion, according to Forbes. This places him among the wealthiest individuals in the world.

Career

James Sinegal co-founded Costco Wholesale Corporation in 1976. He served as the company’s CEO from 1983 to 1993 and again from 1994 to 2012. Under his leadership, Costco grew from a single warehouse in Seattle to a global retailer with over 700 locations worldwide. Sinegal was also the company’s president from 1983 to 2012.

Other Ventures

Sinegal is the chairman of the board of directors for the Seattle Seahawks, an American football team. He also serves on the board of directors for the Costco Wholesale Corporation. Additionally, he has invested in various other businesses, including real estate and restaurants.

Assets

Sinegal’s primary asset is his stake in Costco Wholesale Corporation. He also owns several properties, including a home in Kirkland, Washington, valued at over $5 million. His investment portfolio includes stocks and bonds, primarily in the retail and consumer goods sectors.

Annual Income

In 2020, James Sinegal’s total compensation from Costco Wholesale Corporation was over $3 million, according to the company’s proxy statement. This includes his salary, stock awards, and other compensation. However, his annual income can vary significantly from year to year due to changes in the company’s stock price and his personal investments.

Frequently Asked Questions about  James Sinegal

Frequently Asked Questions: James Sinegal Net Worth

1. What is James Sinegal’s net worth?

James Sinegal’s net worth is estimated to be around $1.5 billion.

2. How did James Sinegal make his money?

James Sinegal co-founded Costco Wholesale Corporation in 1983 and served as its CEO from 1993 until 2012. He also served as the executive chairman until 2018.

3. What is James Sinegal’s role at Costco?

James Sinegal is the co-founder of Costco. He served as the CEO from 1993 to 2012 and as the executive chairman until 2018. He is currently a director of the company.

4. What is James Sinegal’s background?

James Sinegal started his career at FedMart, a discount store chain, in 1958. He co-founded Costco in 1983 with Jeff Brotman.

5. What is James Sinegal’s age?

James Sinegal was born on February 1, 1936, making him 86 years old.

6. Where was James Sinegal born?

James Sinegal was born in Seattle, Washington.

7. Is James Sinegal married?

Yes, James Sinegal is married. He has been married to his wife, Janet, for over 60 years.

8. Does James Sinegal have any children?

Yes, James Sinegal has two children, Craig and Dawn.

9. What is James Sinegal’s philanthropic work?

James Sinegal is known for his philanthropic work. He has donated to various causes, including education and healthcare. He also co-founded the Costco Scholarship Foundation.

10. What is James Sinegal’s leadership style?

James Sinegal is known for his hands-on leadership style. He is known for his focus on employee satisfaction and customer service.