This book addresses a wide range of issues and obstacles that teachers in native and non-native English-speaking countries face in teaching English language learners of all ages, at all levels of proficiency, and in a variety of program settings. The book introduces a model of milestones for career path development specific to the specialized needs and skills of the TESOL (Teaching English to Speakers of Other Languages) community that caters to the many unique challenges faced by teachers at a range of experience levels, from preservice and novice teachers to veteran and semi-retired professionals.Taking an interdisciplinary approach and drawing on the voices and experiences of TESOL scholars, England demonstrates how best to apply one’s education, background, and experiences to individuals who work in the field of TESOL, and offers unique tools, strategies, and training techniques. This book provides a clear and engaging framework for scholars and teachers at any stage in one’s career to grow and develop professionally in fast-changing and increasingly complex professional climates.This book is ideal for scholars, graduate students, and researchers in TESOL and language teaching, as well as scholars and researchers in international teacher development and language.