Douglas Gene Carlston (born April 30, 1947 in Boston, Massachusetts) is the founder and current CEO of Tawala Systems based in San Rafael, California. He was previously CEO, chairman, and co-founder (with brother Gary) of Brøderbund Software, a major software publishing firm that produced such hit titles as Myst, Where in the World is Carmen Sandiego? and Prince of Persia. Brøderbund was acquired by The Learning Company for US$420 million, and the combined company was sold to Mattel for $3.6 billion.
Carlston received his bachelor's degree from Harvard University in 1970 and also studied economics at the Johns Hopkins School of Advanced International Studies. He earned a J.D. from Harvard Law School in 1975. Prior to founding Brøderbund in 1980, he was an attorney.
As of April 2008, he serves as Chairman of the Board of Directors of Public Radio International (PRI) and of the Carlston Family Foundation (formerly the Brøderbund Foundation), and serves on the Boards of the MoveOn Political Action Committee, the Ploughshares Fund, the Albanian American Enterprise Fund, A.H. Belo Corporation and the Long Now Foundation. He also serves on the Committee on University Resources of Harvard University, and the Board of Advisors of the Johns Hopkins School of Advanced International Studies.