Embedded librarianship has emerged as one approach to meeting the ever-evolving information needs of our clients. The University of Arizona Health Sciences Library has endeavored to become more proactive by embedding librarians within each of the four colleges it serves. Although the process of establishing visibility, recognition, and developing needed services has been a constant challenge, efforts have led to collaborations with faculty in both research and instruction. This article describes the successes and challenges of the library liaison in the College of Pharmacy, and how being embedded provided opportunities to build successful partnerships. (Contains 1 figure.)