1- Starting to work as chief of Agricultural committee in 1979 (Tehran).
2- Head of High Council for Forest, Range and Soil in Forest and Range Organization (highest technical body in FRO) 1990-1993 (considering and approve of more than 200 silvicultural project with cooperation of Council members).
3- Director General of Studies and Coordinating Office in Forest and Range Organization 1991-1994
4- Head of Coordinating Council for Forest, Range and Watershed Management, 1992 (nominated by Minister).
5- Member of Agricultural Commission of National Research Council of I.R. Iran, 1992-1995 and 1995-1998 (nominated by First Deputy of President).
6- Director (President) of Research Institute of Forest and Rangelands, I.R. Iran, from 1992 to Nov. 1997. (With 600 staff including 250 scientific researcher and 900 research projects, publishing 200 books in this period)
16- Director of First Vice President Office of WMO, from Since August 2004 to 2009.
17- Head of High Council for Forest, Range and Soil in Forest, Range and Watershed management Organization (highest technical body in FRWO) from Oct. 2005 to July 2006, (considering and approve of Main silvicultural project in FRWO with cooperation of council members).
18- Scientific member of Research Institute of Forest and Rangelands, since 1990.
Publication of 67 articles including 7 books and 2 university textbooks,
Some of forest and climate change related publications listed here:
1- Jafari, M. (1995). Research Institute of Forests and Rangelands (RIFR), Iran, Botanic Gardens Conservation News 2(5) 40-41.
6- Jafari M. (2007a), Review on needfulness for plant ecophysiological study and investigation on climate change’s effects on forest, rangeland and desert ecosystems, presented in Workshop: Climate Change in South-Eastern European Countries: Causes, Impacts, Solutions, 26- 27 March 2007, Orangerie, Burggarten, Graz, Austria.
7- Jafari M. (2007b), Climate Change and IPCC Assessments (Abstract of Keynote Lecture of the Symposium), in The Final Report of ICCAP, The Research Project on the Impact of Climate Changes on Agricultural Production System in Arid Areas, March 2007, ICCAP Publication 10-Japan, ISBN 4-902325-09-8, pp 315-317.
8- Cruz, R.V., H. Harasawa, M. Lal, S. Wu, Y. Anokhin, B. Punsalmaa, Y. Honda, M. Jafari, C. Li and N. Huu Ninh, 2007: Asia. Climate Change 2007: Impacts, Adaptation and Vulnerability. Contribution of Working Group II to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, M.L. Parry, O.F. Canziani, J.P. Palutikof, P.J. van der Linden and C.E. Hanson, Eds., Cambridge University Press, Cambridge, UK, 469-506.
9- Falkenmark M., C. M. Finlayson and L. J. Gordon (Coordinating lead authors), 2007, Agriculture, water, and ecosystems: avoiding the costs of going too far" Chapter 6, in book entitled "Water for Food, Water for Life" published by the International Water Management Institute (IWMI), UK. (M. Jafari, Reviewer of chapter six).
10- Jafari M (2007c), Climate Change Effects on Forest Ecosystem, Publication Number 373, Book ISBN: 978-964-473- 275-1, Research Institute of Forests and Rangelands Publication, Tehran, Iran, pp 78.
11- Jafari M. (2008a), Investigation and analysis of climate change factors in Caspian Zone forests for last fifty years, Iranian Journal of Forest and Poplar Research, serial: 32, vol. 16, No. (2), 2008.
13- Jafari M. (2008c), Vulnerability and Adaptations Report (National Assessment of Climate Change Effects on Forests, Rangelands and Deserts Ecosystems in Iran, As National expert and Head of Working Group for preparing the report of Vulnerability and Adaptation in Forestry and Rangelands), Department of Environment, pp. 61
14- Jafari M. (2009) Climate Change Impact on Iranian Ecosystems (A book with 250 pages in English language, under publication).
15- Jafari Mostafa (Opening Keynote Speaker) 2008. Climate Change in Asia, Middle East and I.R. of Iran, Presented in the 1stinternational conference on "Climate Change & Dendrochronology in Caspian Ecosystems" 20 -21 May 2008, Caspian Ecosystems Research Institute, Sari, I.R. Iran.
16- Jafari Mostafa (Technical Session Keynote Speaker) 2008. Method of investigation on climate change by using Wood Dendrology (annual tree rings) Studies method, Presented in the 1stinternational conference on "Climate Change & Dendrochronology in Caspian Ecosystems" 20 -21 May 2008, Caspian Ecosystems Research Institute, Sari, I.R. Iran.
17-Jafari, M., 2007. Reconstruction of palaeoclimate by using Wood Dendrology (annual tree rings) Studies method Presented in one day workshop “Palaeoclimatology and Climate Change of Iran during the late Quaternary” Iranian National Oceanography Centre and DOE, I.R. Iran, Tehran, Sep. 12, 2007
18- Jafari, M. 2009, Impact of Climate Change on Hyrcanian Forest – Iran presented in INCO' Workshop on "Impact of Oceanic Climate Change on Water Resources of Iran", 26-27 May, 2009, Iranian national Centre for Oceanography, Tehran, I.R. Iran
20- Jafari Mostafa (Author), 2009. Review of investigation methods on climate change and introducing the wood dendrochronology (tree annual growth rings) study method presented in WFC 2009 (Argentine, 18-23 October 2009)
23- Jafari Mostafa (Keynote speaker & Honorary Grand Chair) 2010. Aviation Industry and Environment Crisis: A perspective of impacts on the human, urban and natural environments, Will be presented in AITEM2010, 22-24 March 2010, New Orleans, Louisiana, USA,
Managing Director of National Research Project in RIFR entitled: “Investigation on Climate Change Effects on Forest Ecosystems in Hyrcanian forests (Gilan, Mazandaran and Golestan) Provinces with Emphasize of Wood Dendrology Studies”.