Recent graduate with excellent research, technical and problem-solving skills. Detail-oriented and able to learn new concepts quickly.
Overview
2
2
years of professional experience
Work History
Research Assistant
Colorado State University Energy Institute
Fort Collins, CO
08.2021 - Current
Conducted field experiments at the Methane Emissions Technology and Evaluation Center (METEC) for various projects.
Data processing and analysis
Peer reviewed papers-writing, editing, and reviewing.
Prepared comprehensive reports summarizing research findings.
Presented findings at professional conferences.
Assisted in organizing and co-charing sessions at the Air & Waste Management Conference, 2023.
Education
Master of Science - Systems Engineering
Colorado State University
Fort Collins, CO
08.2023
Bachelor of Science - Petroleum Engineering
Kenyatta University
Nairobi, Kenya
12.2019
Ph.D. - Systems Engineering
Colorado State University
Fort Collins, CO
Skills
Experimental Design
Data Collection, Processing and Analysis
Research Paper Writing
Field Research
Statistical Analysis
Technical Writing
Research Project Design
Matlab
Research and Analysis
Problem-Solving
Conferences
Oral presentation: American Geophysical Union (2023), Air & Waste Management Association (2023)
Poster presentation (CH4 Connection)
Journal Publications
Mbua, M., Riddick, S. N., Tian, S., Cheptonui, F., Houlihan, C., Smits, K. M., & Zimmerle, D. J. (2023). Using controlled subsurface releases to investigate the effect of leak variation on above-ground natural gas detection. Gas Science and Engineering, 120, 205153.
Riddick, S. N., Ancona, R., Mbua, M., Bell, C. S., Duggan, A., Vaughn, T. L., ... & Zimmerle, D. J. (2022). A quantitative comparison of methods used to measure smaller methane emissions typically observed from superannuated oil and gas infrastructure. Atmospheric Measurement Techniques, 15(21), 6285-6296.
Riddick, S. N., Cheptonui, F., Yuan, K., Mbua, M., Day, R., Vaughn, T. L., ... & Zimmerle, D. J. (2022). Estimating regional methane emission factors from energy and agricultural sector sources using a portable measurement system: Case study of the Denver–Julesburg Basin. Sensors, 22(19), 7410.
Cheptonui, F., Riddick, S. N., Hodshire, A. L., Mbua, M., Smits, K. M., & Zimmerle, D. J. (2023). Estimating the Below-Ground Leak Rate of a Natural Gas Pipeline Using Above-Ground Downwind Measurements: The ESCAPE− 1 Model. Sensors, 23(20), 8417.
Riddick, S. N., Mbua, M., Riddick, J. C., Houlihan, C., Hodshire, A. L., & Zimmerle, D. J. (2023). Uncertainty Quantification of Methods Used to Measure Methane Emissions of 1 g CH4 h− 1. Sensors, 23(22), 9246.
Riddick, S., Mbua, M., Santos, A., Emmerson, E. W., Cheptonui, F., Houlihan, C., ... & Zimmerle, D. J. Methane Emissions from Abandoned Oil and Gas Wells in Colorado. Available at SSRN 4639539.
Affiliations
Session chair- Air & Waste Management Conference
Timeline
Research Assistant
Colorado State University Energy Institute
08.2021 - Current
Master of Science - Systems Engineering
Colorado State University
Bachelor of Science - Petroleum Engineering
Kenyatta University
Ph.D. - Systems Engineering
Colorado State University
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