September, 2012: M.Sc. in Geology (Paleontology), Al Neelain University

September, 2006: B. Sc Hons. (First class) in Geology, School of Applied Earth Sciences, Faculty of Science & Technology, Al Neelain University.

 March 2007- August 2012, teaching Assistant at Department of Petroleum geology Faculty of Petroleum & Minerals, Al Neelain University.

Since September 2012, Junior Lecturer, Department of Petroleum geology Faculty of Petroleum & Minerals, Al Neelain University.

Vertebrate Paleontology, Evolution, Phylogeny, Taxonomy, Paleontology, Palaeoecology, Stratigraphy, Systematics.

- Nicole Klein, Robert Bussert, David Evans, Khalaf Allah O. Salih, Ali A. M.     Eisawi, Mutwakil Nafi, Johannes Müller: Turtle remains from the Wadi Milk Formation (Upper Cretaceous) of Northern Sudan. Palaeobiodiversity and Palaeoenvironments 02/2016; 96(2). DOI:10.1007/s12549-015-0225-9

- Khalaf Allah O. Salih, David C. Evans, Robert Bussert, Nicole Klein, Mutwakil Nafi, Johannes Müller: First record of Hyposaurus (Dyrosauridae, Crocodyliformes) from the Upper Cretaceous Shendi Formation of Sudan. Journal of Vertebrate Paleontology 12/2015; 36(1). DOI:10.1080/02724634.2016.1115408

- M. Nafi, A. El Amein, M. El Dawi, K. Salih, O. Elbahi, A. Abou: Wadi Halfa Oolitic Ironstone Formation, Wadi Halfa and Argein Areas, North Sudan. World Academy of Science, Engineering and Technology Vol: 9 2015-10-03

- Ali A.M. Eisawi, Ibrahim A. A. Babikir, Khalaf Allah O. Salih: Paleoecological significance of newly discovered trace fossils near the Gedaref town, eastern Sudan. Journal of African Earth Sciences 10/2011; 61(3). DOI:10.1016/j.jafrearsci.2011.07.001

- Ali A.M. Eisawi, Ibrahim A.A. Babikir, Khalaf Allah O. Salih: Snapshots on     identification of new trace fossils within the Gedaref Formation, eastern sudan. Journal of Sudanese Association of Petroleum Geoscientists (SAPEG), second Issue, pp.29-43/2011.

- Khalaf Allah O. Salih, David C. Evans, Robert Bussert, Nicole Klein, Mutwakil Nafi , Ali Eisawi & Johannes Müller : A new long-snouted dyrosaurid (Mesoeucrocodylia) from the Late Cretaceous of northcentral Sudan. 76th Annual Meeting of Society of Vertebrate Paleontology, USA; 10/2016

- Johannes Müller, Robert Bussert, Nicole Klein, Khalaf Allah Salih, and David Evans: Late Cretaceous vertebrate faunas from northeastern Gondwana: regional endemism, vicariance, and continental break-up. GeoBerlin 2015 DYNAMIC EARTH · from Alfred Wegener to today and beyond, Berlin, Germany; 10/2015

- Evans.D, Salih.K, Bussert.R, Klein.N, Eisawi.A, Müller.J: A new large-bodied terrestrial crocodyliform from the late cretaceous of Sudan. 74th Annual Meeting of Society of Vertebrate Paleontology, Berlin; 11/2014

- Salih.k, Bussert.R, Klein.N, Nafi.M, Evans.D, Müller.J: First record of the genus Hyposaurus (Crocodyliformes: Dyrosauridae) from the late cretaceous of Sudan. 74th Annual Meeting of Society of Vertebrate Paleontology, Berlin; 11/2014

-  Müller.J, Bussert.r, Klein.N, Nafi.M, Salih.K, Evans.D: A new durophagous crocodile from the late cretaceous of Sudan. 74th Annual Meeting of Society of Vertebrate Paleontology, Berlin; 11/2014