Meet the Moderators


Moderators and Biodata


Kristen Acquaviva


Kristen Acquaviva is a freelance business and technical English trainer and teacher trainer based in Germany.  She offers a range of courses including in-company training, intensive seminars, and continuing education classes. She studied Linguistics and holds an MA in TESOL. She is on the IATEFL BESIG Editorial Team (BET).  


Roy Bicknell 


Roy Bicknell lives in Amsterdam and teaches Business English and Intercultural Communication. The training he provides is mostly in-company and for corporate clients. He is endlessly curious about our evolving ELT practice and what it takes to be an educator. Roy is currently Editor-in-chief of the IATEFL BESIG Editorial Team (BET) and member of the IATEFL Publications Committee. 


Twitter: royparmesan



Charles Rei


Charles is an in-company Business English Trainer in Germany.  He focuses on designing and leading customized e-learning, seminar, and coaching programs to improve employee performance.  He discusses his training approach at  


Marjorie Rosenberg


Marjorie Rosenberg teaches English at the University of Graz, Austria, trains teachers and works with corporate clients. She has published course books and resource books with CUP, Pearson, and Cengage-National Geographic and is the author of ‘Spotlight on Learning Styles’ (Delta Publishing). She writes business English materials for Professional English Online and is currently the Coordinator of IATEFL BESIG.  


Gabrielle Jones


Gabrielle Jones has specialized in business English and ESP in multinational companies worldwide since 2000.  She has a strategic role in a training company in Germany, where she develops training concepts for corporate clients.  

Dana Poklepovic


Dana Poklepovic, Business English trainer and materials writer, has worked with professionals for over 20 years in Argentina and abroad. She holds a PhD in Modern Languages from USAL, Argentina.  

Claire Hart


After studying at the University of Cambridge and University of Leeds in the UK, Claire decided that English language teaching would be the most rewarding career for her. Since then, Claire has built up several years of experience in the corporate sector. She now combines in-company training with teaching business English courses in the tertiary sector in Southern Germany and is also currently the IATEFL BESIG Web Coordinator. 


Mercedes Viola


Mercedes Viola holds an MA in TESOL. She is in charge of designing business English learning experiences for government-owned organizations, universities and many well known global companies such as Microsoft, HP, American Express, McDonalds, Deloitte, John Deere and MasterCard. She designs materials for business English clients and trains new teachers on business.

She is a writer for the Teaching English site of the British Council, the IATEFL BESIG Co-Web Coordinator and a member of the IATEFL Electronic Committee.

Twitter: mercedesviola

Blog and site: &


Justine Arena


Justine Arena lived in Boston for 13 years, where studied and worked. Now back in Brazil, Justine combines her international business experience with the teaching of English as a second language. 

Pete Rutherford


Pete Rutherford is a business English and communication skills trainer from Cape Town, South Africa, and now based in Düsseldorf, Germany. He is currently employed by a European language and communication training organization, where his primary responsibility is the delivery of personalized courses and workshops to individuals and small groups.