Staff

Alice Onyango, Dr. (The first successful Mazingira PhD student), consultant ‘wet chemistry laboratory’

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Alice successfully defended her PhD thesis at University of Hohenheim beginning of January 2018. Currently, she is part of the Mazingira Team by keeping our wet chemistry lab up to date and ensuring the processing of samples as well as delivery of high quality data to students.
Daniel Korir, Veterinarian, DAAD PhD fellow

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Brought up in tropical Africa where animal production has remained low despite genetic and disease control efforts, Daniels’s motivation is developing his career in resilient animal production in climatically changing ecosystems. Short CV here…
Daniel Sifael, MSc student

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Daniel currently pursues his MSc degree in Tanzania under our IFAD funded “Greening Livestock” project. He particularly investigates the different types of manure management in two districts (Mufindi/Mvomero) in Central Tanzania. Based on his finding in the field he will estimate greenhouse gas emissions from manure management in smallholder farms in Tanzania.
Edinah Ombogo, MSc student

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Edinah currently pursues her MSc degree in Tanzania under our IFAD funded “Greening Livestock” project. She particularly investigates cattle of smallholder farmers in one district (Mufindi) in Central Tanzania. Based on her finding in the field she will estimate greenhouse gas emissions from smallholder dairy cattle following TIER 2 guidelines (IPCC).
Erick Linus Kiprotich, trainer for smallholder farmers, Research Assistant

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Erick’s work involves organizing and managing focused farmer training courses for smallholder farmers. He further prepares training materials and has strong skills in practical delivery of courses.
Francis Njenga, Technical Officer

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Francis has a longterm experience in running an analytical soil lab (previously at CIAT). His expertise is in C/N analysis, soil texture analysis and general biogeochemical lab analysis.
George Wanyama, Chemical Analyst

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George is with Mazingira since its very beginning and helped significantly setting up all the instruments we currently operate. At the moment he is responsible for our gas lab while also supporting the team in all technical related issues.

Thanks for keeping things running George!

Ibrahim Wanyama, DAAD PhD fellow

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Ibrahim is a PhD student at ILRI assessing the impact of land-use change and management in agricultural landscapes on greenhouse gas (GHG) fluxes from soils in East Africa. Laboratory incubation of intact soil cores and static chamber approaches for measurements of GHG emissions are employed in the study.  Short CV here…
Jane Gitonga, MSc student, CLIFF-CCAFS fellow

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Jane succesfully applied for CLIFF-CCAFS fellowship in 2016 and is currently quantifying greenhouse gas emissions from different rice management systems near Mt. Kenya.
Jesse Gakige, DAAD PhD fellow

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Jesse’ research focuses on the detailed understanding of animal nutrition and feed science in livestock systems, mainly focusing on the smallholder dairy sector.

 He is also motivated to train smallholder dairy farmers in animal nutrition and assist them in learning and adopting new technologies in the dairy sector. Short CV here…
Jesse Owino, DAAD PhD fellow, 

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Jesse is currently working within our IFAD funded “Greening Livestock” project in Nandi county, Kenya. Besides other tasks he studies the influence of specific manure management systems found in smallholder farms and the subsequent consequences on GHG emissions.
John Goopy, Dr, Animal Nutrition Scientist (part-time consultant)

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John’s research focused on on the detailed understanding of animal nutrition and feed science in livestock systems. Currently, he not only trains smallholder dairy farmers in animal nutrition and assist them to learn and to adopt new technologies in the dairy sector  but also mentors students within the Mazingira Centre working on animal greenhouse gas emissions, nitrogen cycling with the animals and much more.

Short CV here…

Joseph Macharia, PhD candidate, CLIFF-CCAFS fellow

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Jospeh succesfully applied for CLIFF-CCAFS fellowship in 2016 and is currently quantifying greenhouse gas emissions from differently fertilized maize fields in Embu county.
Klaus Butterbach-Bahl, Prof Dr, Biogeochemist (part-time)

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Klaus’s research interests are understanding the feedbacks of global environmental changes on terrestrial ecosystems and biosphere-atmosphere-exchange of environmental important trace substances (N2O, NOx, CH4, CO2), the identification and characterisation of microbial processes involved in N- and C-trace gas production and consumption as well as process oriented modelling of carbon/ nitrogen turnover in terrestrial ecosystems and the calculation of emission inventories of biogenic trace substances on regional and global scales.

 

Lutz Merbold, Dr, Biogeochemist, Head of Mazingire Centre

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Lutz research focuses on the detailed understanding of greenhouse gas (GHG) exchange in ecosystems worldwide, including wetlands, woodlands, forests, savannas, grasslands and livestock systems now and under climate change.

Short CV here…

 

Margaret Philip, Research Assistant

 

Margaret joined the Mazingira team in mid 2018 to support us with the analysis of mineral nitrogen from various projects. Margaret has more than 10 years working experience in analytical laboratories.
Nelson Saya, Research Assistant

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Nelson has previously been assisting Erick in delivering focused farmer training courses in Western Kenya. Since January 2018, Nelson joined the team as research assistant and is responsible to oversee ongoing and future animal trials within Mazingira.
Paul Mutuo, Technical Officer

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Paul has significant experience in working with gas chromatographs (>7 years, previously at ICRAF). He is currently responsible for our gas and wet lab.
Peter Kirui, MSc student

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Peter is one of our MSc students whom work within the IFAD funded “Greening Livestock” project in Bomet county. His research focuses on quantifying enteric methane emissions from livestock using IPCC guidelines for Tier 2 estimates.
Peter Mosongo, PhD candidate (external)

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Peter is currently aiming at gaining a PhD jointly with the Chinese Academy of Sciences on GHG emissions from agriculture in Kenya.
Phyllis Wanjugu N’dungu, DAAD PhD fellow

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Phyllis’s research focuses on quantifying enteric methane emission in livestock using IPCC guidelines for Tier 2 method. Phyllis is working within our IFAD funded project “Greening Livestock”. She recently finished her MSc and stayed with the team to further develop her scientific skills during her PhD studies. This will involve going back to previously collected data and identifying solutions to simplify the process. She further assists the team with overseeing activities currently being carried out in Tanzania.

Short CV here…

Sheila Wachiye, PhD candidate at University of Helsinki, Finland (external)

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Sheila successfully applied for a PhD fellowship with the Schlumberger foundation. While she is enrolled in University of Helsinki, Sheila’s projects focused on the quantification of greenhouse gases from four different land use types that were previously identified with remote sensing techniques in Southern Kenya.
Rodger Rogito, MSc student, University of Nairobi/ETH Zurich (external)

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Rodger has previously worked as a casual helper within Mazingira and assisted in greenhouse gas sampling campaigns. From February 2018 onwards he will carry out his MSc research in Western Kenya. Thereby, he will observe greenhouse gas emissions from long-term maize trials.
Samuel Mugo, MSc student

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Samuel currently pursues his MSc degree in Tanzania under our IFAD funded “Greening Livestock” project. He particularly investigates cattle of smallholder farmers in one district in Central Tanzania (Mvomero). Based on his finding in the field he will estimate greenhouse gas emissions from smallholder dairy cattle following TIER 2 guidelines (IPCC).
Sheila Okoma, MSc, Research Assistant

 

Sheila joined the Mazingira Team mid 2018 as a temporary research assistant supporting with greenhouse gas measurements in the field and in the lab.
Sonja Leitner, Dr, Postdoctoral Researcher, Soil Ecologist/Biogeochemist

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Sonja joined the Mazingira team in March 2018 and did her PhD on GHG fluxes from forest and grassland soils in response to extreme climatic events, such as droughts and heavy rainfalls. Her knowledge goes beyond greenhouse gas flux measurements and further comprises indepth soil analysis ranging from standard nutrient analysis over soil microbiology via enzyme assays and microbial community analysis to state-of-the-art microdialysis being used in the field.
Svenja Marquardt, Dr, Scientist, Animal Nutrition

 

Svenja Marquardt joined ILRI and the team of Mazingira Centre in September 2018 as animal nutrition scientist. She is responsible for agronomic, livestock productivity and GHG measurements for different livestock systems. Previously she worked as a senior assistant in the professorship of Animal Nutrition at ETH Zurich, Switzerland, where she was responsible for the area of “Sustainable Animal Nutrition in the Tropics and Subtropics”. She has led research projects in Kenia, Bolivia, Brazil, Syria, Nepal, and Switzerland. She holds a doctor’s degree in animal nutrition from ETH Zurich and postgraduate certificates in “Development and Cooperation” and “International Policy & Advocacy”.

 

Stanley Mwangi, Office assistant

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Stanley is supporting the lab by managing our workshop and ensuring the performance of the two biodigesters we were recently donated with by the Kenya Biogas Program and SNV.

Short CV here…

Victoria Carbonell, PhD candidate jointly with KIT IMK-IFU Germany and ETH Zurich Switzerland

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Victoria’s research aims to investigate the effect of different management strategies on greenhouse gases (GHG) and ammonia emissions from livestock systems in arid-semi arid regions in Kenya.

Short CV here…

 

Yuhao Zhu, PhD candidate jointly with KIT IMK-IFU Germany

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Yuhao’s research focused on the quantification of greenhouse gas emissions from organic fertilizers that are added to soil. Thereby he studies both the effects of fertilizer quantity and quality added to different soil types in Kenya.

Short CV here….