The University of California, Berkeley and Lawrence Berkeley National Laboratory will host a workshop on germanium-based detectors and technologies May 18-20 in Berkeley, California. The goal of the workshop is to explore the status, prospects, and issues for Ge-based detectors for science and security applications. The workshop will bring together researchers engaged in current and possible next-generation detectors based on germanium as well as experts in germanium-based device development and production. The workshop scope includes applications, crystal growth and characterization, detector and device technologies, and readout and signal processing. An overall aim is to provide a true workshop setting to encourage full and frank discussion, not only of technical progress and emerging ideas, but also of enduring challenges for which improved solutions are needed.