Bob Sehlinger, a Lowell Thomas Award-winning journalist, is best known as the creator and producer of The Unofficial Guide series.

Liliane J. Opsomer is a freelance writer and was one of the photographers for The Color Companion to Walt Disney World. Liliane covers theme park news for AAA Northeast, JohnnyJet.com, The Mouse for Less, and Small World Vacations. She is also a contributor to The Unofficial Guide to Walt Disney World.

Len Testa leads the team at TouringPlans.com, a research arm of The Unofficial Guides. Len is also coauthor of The Unofficial Guide to Disneyland and The Unofficial Guide to the Disney Cruise Line.