Gregg Swain is an author and Mah Jongg instructor. She lectures across the United States, speaking at clubs, museums, and social organizations. She is the co-author of Mah Jongg: The Art of the Game. She loves to teach Mah Jongg, helping people enjoy the fun and challenge of playing as they form new friendships around the table. She lives and works in New York City.

Toby Salk is a popular Mah Jongg instructor in the Bay Area. She has taught over a thousand students how to play and win this wonderful game. She has been a featured speaker at clubs and has been interviewed for many publications including J., the San Francisco Chronicle, Alameda Magazine, Oakland Magazine, and the Piedmont Post.

Gladys Grad is popularly known as the "foremost authority of American-style tournament Mah Jongg." She is the owner and tournament director for several large Mah Jongg tournaments throughout the country and is the creator of the Siamese Mah Jongg game. She lives in San Francisco.

Woody Swain is a graphic designer and artist based in New York City. He has collaborated with Gregg Swain on several other books on Mah Jongg.