Staff

Alice Onyango, Dr. , Postdoctoral Researcher (The first successful Mazingira PhD student),

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Alice successfully defended her PhD thesis at University of Hohenheim beginning of January 2018. Currently, she is a Postdoctoral Researcher within the Mazingira Centre under the ReDEAL project. She is furthermore responsible for our Wet Chemistry Lab and supported under GIZ-CIM framework of returning experts.
Betty Gisore, PhD fellow

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Betty joined the Mazingira Team in Februar 2019 as a PhD fellow under our Programme for Climate Smart Livestock (PCSL) and will look into smallholder farmer nutrient budgets. Moreover, her works at understanding nutrient flows in smallholder farming systems, the quantification of greenhouse gases from individual system components and to identify options to improve overall farm efficiency.
Collins Ouma, Research Assistant – Soil Lab

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Collins has recently finished his Masters where he investigated the effects of grazing exclosures on soil carbon storage and greenhouse gas emissions in Laikipia, Kenya. Since February 2019, he is assisting us in the soil lab and with greenhouse gas sampling.
Daniel Getahun, MSc candidate in Ethiopia

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Daniel joined the Mazingira Team in 2019 under the Programme of Climate Smart Livestock. His MSc thesis focuses on an environmental assessment of typical smallholder farming systems in Debre Birhan, Ethiopia.
Daniel Korir, Veterinarian, DAAD and IPCC PhD fellow (enrolled in University of Melbourne)

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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, Research Technician

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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!

Hannah Mwaura, MSc candidate (Egerton University)

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Hannah joined the team in 2019 and her MSc thesis focused on the diet selection of sheep, goats and cattle in rangelands. As part of the Programme for Climate Smart Livestock team she assists with activity data collection of livestock at Kapiti Research Station.
Ibrahim Wanyama, (consultant)

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Ibrahim finished his PhD thesis in 2019 and re-joined the Mazingira Team as a consultant in late 2019. Currently he reviews different pig manure management systems in Uganda.
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, Research Associate

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Jesse’ has previously been part of the lab as PhD student and joined the Mazingira Team in 2019 as Research Associate where he is now responsible for ongoing and future animal trials.
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.
Josephat Mungoche Murunga, MSc student with University of Nairobi (LARMAT)

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Josephat joined the Mazingira Team as a MSc student in February 2019. Previously he was one of our field helper taking greenhouse gas concentration measurements in the field. Within his MSc theses under our Programm for Climate Smart Livestock he will investigate differences in greenhouse gas emissions from tropical forages planted in various ways.
Kelvin Kinuthia, Research Assistant – Agronomic Trials

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Kelvin joined the Mazingira Team in early 2020 as research assistant. His core responsibilities are the coordination of the our agronomic trial and other field experiments
Klaus Butterbach-Bahl, Prof Dr, Biogeochemist (external advisor)

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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

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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.
Michael Graham, Postdoctoral Researcher – Biogeochemical Modeling

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Michael joined the Mazingira team as a PostDoc in September 2019. His research focuses on implementing the data collected over the past years by the Mazingira team into biogeochemcial process models as well as to improve currently existing Life Cycle Assessment models that quantifiy the environmenal effects of livestock (ie GLEAM, CLEANED etc.).
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, Research Technician

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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.
Paul Mwangi, PhD fellow (enrolled in University of Melbourne)
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Paul has joined the team in 2020 and his PhD thesis will focus on emissions of enteric fermentation from sheep and cattle in rangelands.
Phyllis Wanjugu N’dungu, DAAD PhD fellow (enrolled in University of Pretoria

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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…

Rodgers Rogito, Research Assistant – Wet Chemistry Lab

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Rodger has previously been an MSc student within the Mazingira Centre and now joined the team as a research assistant where he is helping in our Wet Chemistriy lab.
Sheila Wachiye, PhD candidate  (external – at University of Helsinki, Finland)

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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.
Sheila Okoma, MSc, Research Assistant

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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

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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…

Tigist Worku, Research Technician (Ethiopia)

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Tigist joined the team in early 2019 under the Programme for Climate Smart Livestock (PCSL). She is based at ILRI Ethiopia and responsible for coordinating the PCSL activities in Debre Birhan and Afar in Ethiopia.
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….