Helping Business Professionals Communicate August 31, 2015

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DAVID KERTZNER - Managing Director


David Kertzner founded ProActive English in 1997 in response to the growing need for customized on-site language and communication courses for non-native English speakers working in professional situations.  In 2001, he began developing The Business English Web in response to the growing demand for a qualitative Web tool featuring business-oriented, interactive content for higher level English language learners. 


With 15 years of domestic and international teaching and administrative experience, Mr. Kertzner has designed and delivered multi-dimensional programs to professionals at all levels whose work involves using English as a second language. 


His client list includes international representatives of: NTT Commware, Wyeth KK, Applied BioSystems, TIS (Japan and US), DHL Worldwide Express, Novellus Systems, Inc., Business Objects Americas, Cornerstone Research, Philips Semiconductors, Robertson Stephens, BEI Technologies, Sony, Hewlett-Packard, Norwegian Trade and Technology Office, Samsung, Oracle, Arthur Andersen, CBS, France Telecom NA, GlobalOne, Cambridge Technology Partners and ViaFone.


Mr. Kertzner's career includes work as an economist for the state of Alaska, language teaching and program administration in the Czech Republic and Azerbaijan, and language teaching at Hofstra University (New York) and City College of San Francisco.  He holds a Bachelor of Arts degree in economics from Brandeis University and a graduate degree in teaching English as a Second Language from the School for International Training in Brattleboro, Vermont.


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Our Trainers


ProActive English maintains a growing network of Masters level English language teachers around the United States and abroad.  In addition to strong qualifications, our teachers have experience in corporate settings and at least one year of living and working abroad.


We will happily provide resumes of our trainers upon request.


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