She is the co-owner of Long Vineyards in St. Helena, California, and the Vilafonte Wine Estate in South Africa.
[1][3] She is credited with breathing new life into Simi and modernizing it, introducing new winemaking techniques and establishing new vineyards.
[1][7] Long has been dedicated to enology research into other states, particularly Washington which she considers to have the best Merlot grapes in the world.
[9][1][10] In a male-dominated industry, her coworkers have named her "Miss Oblivious", because of her "ability to turn a deaf ear to sexism".
[13] She has a keen interest in Buddhist, Asian and African art and culture, and enjoys birdwatching and horseriding in her spare time.