Natalie Gast is the founder and principal of Customized Language Skills Training, a full-service language training company established in 1986. CLST, among other services, provides tailor-made, onsite programs, such as English as a Second Language (ESL), accent modification, and presentation skills and writing skills for the foreign born--in business and industry. Her company also trains the trainer in ESL subjects and on supervising and coaching multicultural work forces. Gast has a master's degree in TESOL and had previously been a college instructor.