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Company Leadership


Dieter Bruhn, President


Dieter Bruhn is the President and Founder of One World Training as well as the Director of Training. He has a Master's degree in TESOL (Teaching English to Speakers of Other Languages) as well as a Master's degree in Language & International Trade, which gives him a strong understanding of both language and business. He has been in the training world for more than 20 years, and he has worked on projects in the Philippines, Mexico, Argentina, Costa Rica, Germany, Thailand, Cambodia, Myanmar, Korea, Japan, Vietnam, India, Pakistan and Indonesia

One World Training

Highlights of his career include managing the design, development and implementation of a state-of-the-art language and culture training program for call centers across the globe for a major call center company, launching the new training program, and training and certifying trainers and Master Trainers at 20 sites around the world.  Moreover, he led the language training team for a call center project in India in which he designed and developed a number of modules and headed up the final certification of trainers and Master Trainers.  He also directed the language portion of a program in Multilateral Diplomacy in Vietnam, taught in a Pre-MBA program in Indonesia, and worked as Chair of the Business English Department at a private college in Thailand (where he led an ongoing teacher training and development program). In addition, he has been managing and teaching in a summer graduate preparatory program for international MBA and Telecommunications students at the University of Colorado since 2003.  Dieter has served on the Executive Board of Colorado TESOL since 2005, including two years as President, and he has presented at numerous local and international conferences, including giving the closing keynote at the Cambodia TESOL Convention in 2015.  Moreover, he has been certifying teachers in TEFL (Teaching English as a Foreign Language) in Colorado since 2001.  He has also conducted intensive teacher training workshops in Pakistan, Thailand, Cambodia, Korea and Myanmar, where he has provided local teachers with innovative ways of creating more dynamic and interactive classrooms.