The article presents information regarding executive positions. ASTD is celebrating its 60th anniversary this year, making it one of the oldest U.S.-based associations for professionals. Pat Galagan captures "The First Fifty Years," and a timeline shows stand-out ideas and events of the past 10 years, "A Defining Decade." Patricia A. McLagan suggests moving away from title-, membership-, and knowledge-based arguments and focusing instead on equating the field with its purpose: to expand and accelerate learning and performance. To accomplish that, there will be challenges.