Postmodern ideas, practices, and perspectives are being integrated into the organizational cultures of science/technology libraries. Librarians are increasingly likely to be working with other librarians as well as faculty who are more comfortable with ambiguity, integration, collaboration, deconstraction, uncertainty, chaos, and fluid systems. These postmodern professionals are integrators and synthesizers, focused on learning, and uncomfortable with control and rigid or inflexible boundaries. Leadership in science/technology libraries needs this infusion of postmodern influences to be responsive to the dynamic information needs of all customers. This article focuses on the importance and implications of these postmodern influences, [Article copies available for a fee from The Haworth Document Delivery Service: 1-800-HAWORTH. E-mail address: <[email protected]> Website: <https://www.HaworthPress.com> © 2004 by The Haworth Press, Inc. All rights reserved.]