Grzegorz Śpiewak holds a double MA in English & Linguistics (University of Essex, UK and University of Warsaw) and a PhD in Linguistics (University of Warsaw 2000). He has been a lecturer at the institute of English Studies, University of Warsaw since 1992, Head ELT Consultant for Macmillan Polska, teacher trainer, methodology adviser, ELT materials' writer, former president of IATEFL-Poland, founder and president of DOS-Teacher Training Solutions.

His chief professional interests are teacher development (incl. applications of new media and new technologies), syllabus design (incl. classroom implications of CEFR), education towards plurilingualism (incl. ELF-related issues, re-defining pedagogical objectives, maintaining standards of excellence).

His track record in ELT publishing consists in numerous articles, reviews and a few minor pieces, including a series of grammar contrast boxes and grammar summaries for the ForMat course series, grammar sections for L!VE 2 and L!VE 3 (all published by Macmillan Polska) and a section on Polish in Learner English edited by M. Swan & B. Smith, CUP. As a consultant he has also contributed to Macmillan’s best-selling Revise ForMatura Repetytorium. His most recent publication is another bestseller: Egzamin Gimnzajalny. Repetytorium z testami (co-author: Marta Rosińska, Macmillan 2008).