Title/Qualifications: Prof, Phd
Department/Unit/Section: Kiswahili And African Languages
Contact Address: P.O. Box 43844-00100
Email:  This e-mail address is being protected from spambots. You need JavaScript enabled to view it          
Cell phone: +254 733 672 701, Tel 810901-10 ext 57446 
Position: Proffessor
Research Interests:All aspects of Kiswahili, with emphasis on Historical Development of Kiswahili, Sociolinguistics, Language Policy and Language planning: Kiswahili morphology.
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Publications

• 2007 Historia ya Usanifishaji wa Kiswahili (A History of Kiswahili Standardization).– Institute of Kiswahili Research, University of Dar es Salaam .
• 2003 Sheng-English Dictionary – Institute of Kiswahili Research, University of Dar es Salaam
• 1996 (a) Language Policy in East Africa – A Dependency Theory Perspective, Educational Research and Publication Limited, Nairobi, Kenya.
• 1996 (b) Mother Tongue in Education, Lectern Publications Ltd., Friends of the Book, Nairobi Kenya.
• 1995 Usahihishaji wa Makosa Katika Kiswahili (Common Mistakes in Kiswahili) Longhorn Kenya Ltd.
  
• 1993 Sarufi ya Kiswahili (Swahili Grammar) Longman Kenya Limited (a revised edition). Reprinted (First published by KPBM in 1985)
• 1992 The Impact of Language Policy on the Development of Kiswahili in Kenya, 1930-1990, U.M.I. Dissertation Service, Ann Arbor, Michigan, (Ph.D. Dissertation).
• 1991 Historia ya Usanifishaji wa Kiswahili (A History of Kiswahili Standardization). Longman Kenya Limited, Nairobi, Kenya.
• 1987 Lugha ya Kiswahili kwa Shule za Upili, Kidato cha Pili. (A Secondary Form II Text Co-authored with Sheila Ali Ryanga). Nairobi: Kenya Publishing and Book Marketing Company, Nairobi, Kenya
• 1986 Lugha ya Kiswahili kwa Shule za Upili, Kidato cha Kwanza. (A Secondary Form I Text Co-authored with Sheila Ali Ryanga). Nairobi: Kenya Publishing and Book Marketing Company. Reprinted 1987, Nairobi, Kenya.
  
  

Papers and Chapters in Books

• 2011 “Kamusi ya Karne ya 21 Longhorn Publishers,Nairobi.(Lexical Contribution)
• 2005 “Mchango wa Taasisi ya Uchunguzi wa Kiswahili (TUKI) Katika Uendelezaji na Ukuzaji wa Kiswahili” in Kiswahili Vol.68 (84-93) Institute of Kiswahili Research Jubilee Edition 1930-2005.
• 2004 Kamusi ya Kiswahili Sanifu IKR, Nairobi Oxford University Press: One of the two compilers of New Words from Kenya.
• 2002 “Jinsi Mwelekeo wa Baadhi ya Wakenya Unavyotatiza Uenezaji wa Lugha na Fasihi ya Kiswahili Ulimwenguni” Kitula King’ei na Ireri Mbaabu. Paper
• Published in u Mulika Na.25, 30-36 Taasisi ya Uchunguzi
• wa Kiswahili (TUKI), University of Dar es Salaam, 2002
• 2000 “A case for the use of Kiswahili as a Language of Instruction in Lower Primary Schools in Kenya: A paper published in Kimani Njogu et al (Eds): Kiswahili Katika Karne ya Ishirini na Moja (Kiswahili in the 21st Century) Casas Book Series No.17, Center for Advanced Studies in African Society, Cape Town, South Africa, 2000.

Affiliations

• Member, International Editorial Advisory Board, Kiswahili journal – Institute of Kiswahili Research, University of Dar es Salaam. (For 10 years)
• Regular Internal Assessor for senior staff seeking promotion, Institute of Kiswahili Research, University of Dar es Salaam.
• External Examiner, Kiswahili in various Universities in the Region.
• Member, American National Geographic Society.