For fifteen years she was a practicing attorney, engaged in international and securities law in
New York City as well as in corporate, real estate, and family law in Boston. She then spent ten years as vice president and general counsel of the McCourt Co., the family real estate development firm in Boston. She relocated from
Boston to
Los Angeles in 2004 to purchase the Los Angeles Dodgers and also joined the Dodgers' front-office organization as an executive after the team was acquired. In September 2008, the McCourts purchased the
Los Angeles Marathon. She was a visiting professor at the
UCLA Anderson School of Management. Her course, "The Pursuit of Leadership: A Female Perspective," was designed for women and, according to the UCLA Newsroom, was considered one of the most popular courses in the Anderson School curriculum. In 2009, McCourt launched Jamie Enterprises. She has invested in high-value real estate, biotech and tech start ups. Investments include ZipCar, Kite Pharma and Heal. In 2013, she bought a 22-acre
vineyard estate in
Napa Valley, California Rutherford region for $11.25 million with the intention of both living there part-time and continuing to produce the property's wine. As of 2016, she planned to produce a cabernet sauvignon for release in 2017. McCourt also spoke at institutions such as Harvard and Columbia University encouraging women to be financially self-sufficient and in control of their finances. She then was on the Transition Finance Committee for then President-Elect
Donald Trump. == Los Angeles Dodgers ==