John Ngisirei
@johnngisirei
Experienced Medical Laboratory Scientist focused on accurate diagnostics and quality-driven laboratory services.
What I'm looking for
I am an experienced Medical Laboratory Scientist (MLS(ASCP)iCM) with a proven record in moderate- and high-complexity testing, quality control, instrument maintenance, and timely result delivery across hospital and reference laboratory settings. I bring extensive international laboratory leadership and teaching experience, having managed sections, led QA activities, and instructed medical laboratory science students.
I am committed to advancing patient care through accurate diagnostics, continuous quality improvement, and mentorship. My accomplishments include implementing corrective actions for quality assurance, managing reagent inventories and instrument troubleshooting, and training the next generation of laboratory professionals.
Experience
Work history, roles, and key accomplishments
Medical Laboratory Scientist
Quest Diagnostics
Feb 2024 - Present (1 year 7 months)
Perform moderate- and high-complexity testing, ensure timely STAT result turnaround, and maintain QC and inventory management to uphold diagnostic accuracy and regulatory compliance.
Medical Laboratory Technologist
LabCorp Swedish First Hill Hospital
Apr 2021 - Feb 2024 (2 years 10 months)
Conducted hematology, microbiology, and clinical chemistry testing, performed instrument preventive maintenance and troubleshooting, and managed specimen handling to ensure accurate diagnostics.
Attendant Counselor I
Fircrest RHC-DSHS
Oct 2020 - Mar 2021 (5 months)
Assisted residents with activities of daily living, monitored vital signs, and followed institutional safety procedures to maintain resident wellbeing.
Nursing Assistant
Harbor Adult Family Home
Oct 2019 - Sep 2020 (11 months)
Provided daily care and medication administration to residents, prepared meals, and tracked vital signs to support health and comfort.
Caregiver
Laurel Wood Adult Family Home
Aug 2019 - Sep 2019 (1 month)
Assisted residents with personal care, medication administration, and routine documentation while supporting daily living activities.
Medical Laboratory Technician
Namibia Institute of Pathology
Jul 2015 - Dec 2018 (3 years 5 months)
Led external quality assurance, performed microbiology, immunoassays and clinical chemistry testing, and implemented corrective actions to maintain timely, quality reporting.
Lecturer, Medical Laboratory Science
Ol'lessos Technical Institute
Jan 2004 - Jun 2015 (11 years 5 months)
Taught medical laboratory science courses, developed practical lesson plans and coordinated reagents/equipment while serving as departmental examination officer and internal quality auditor.
Head of Serology
Iten District Hospital
Jan 1999 - Dec 2003 (4 years 11 months)
Oversaw serological testing for infectious diseases, managed instrument maintenance and troubleshooting, and ensured reliable blood screening operations.
Head of Immunology Section
Eldoret District Hospital
Jul 1996 - Dec 1998 (2 years 5 months)
Supervised specimen reception and processing, managed reagent procurement, and conducted preventive maintenance to support immunology and blood screening services.
Laboratory Department Head
Narok District Hospital
Jan 1994 - Jul 1996 (2 years 6 months)
Managed laboratory staffing, coordinated departmental communications and reporting, and supervised sample analysis and supply procurement to ensure operational continuity.
Medical Laboratory Technologist III
Coast Province General Hospital
Jul 1990 - Dec 1993 (3 years 5 months)
Performed specimen collection and comprehensive laboratory testing including microbiology, clinical chemistry, urinalysis, and histopathology tissue processing to support patient care.
Education
Degrees, certifications, and relevant coursework
Kenya Medical Training College
Bachelor of Science, Medical Laboratory Science
Completed a Bachelor of Science in Medical Laboratory Science, focusing on clinical laboratory techniques, diagnostics, and quality management.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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