Marjorie Del Rosario
Science Teacher
Valenzuela, Metro Manila
Summary
Detail-oriented Science Teacher with a strong foundation in Physics and Biology content analysis and assessment, seeking a Data Partner – Biology and Physics role with TELUS AI. Aiming to contribute subject-matter expertise in scientific accuracy review, data evaluation, and rubric-based scoring to support high-quality AI training datasets. Performance-driven and goal-oriented individual capable of independent and remote work with little to no supervision.
Overview
11
11
years of professional experience
Work History
Junior High School Science Teacher
Valenzuela City School of Mathematics and Science
06.2018 - Current
- Delivered instruction in Physics and Integrated Science aligned with the K–12 curriculum, including motion, forces, energy, electricity, and magnetism
- Applied biology subject-matter expertise to evaluate the accuracy, completeness, and clarity of content related to cell biology, genetics, human body systems, and ecology
- Reviewed, validated, and revised science assessment items to ensure factual accuracy, clarity, and alignment with learning competencies
- Applied rubric-based scoring to evaluate written and objective student responses consistently and objectively
- Conducted item analysis to identify misconceptions, ambiguous questions, and incorrect answer keys
- Checked learning modules and instructional materials for scientific errors, logical inconsistencies, and misleading explanations
- Worked independently and collaboratively while following standardized guidelines and quality standards
Junior and Senior High School Science Teacher
PACE Academy
06.2015 - 03.2018
- Applied Physics and Biology subject-matter expertise to evaluate scientific accuracy, logical consistency, and content completeness
- Conducted content validation and error analysis, identifying factual inaccuracies, misconceptions, ambiguous prompts, and incorrect answer keys
- Used standardized rubrics and evaluation guidelines to consistently classify responses as correct, partially correct, or incorrect
- Exercised independent, evidence-based judgment while maintaining quality assurance standards, documentation accuracy, and deadline compliance in a remote, self-managed work environment
Education
Master of Arts - Science Education
Philippine Normal University-Manila
Manila, Metro Manila, Philippines 04.2001 -
Bachelor in Secondary Education - General Science
Philippine Normal University-Manila
Manila, Metro Manila, Philippines 04.2001 -
Skills
- Student engagement
- Extracurricular activities
- Classroom management
- Science communication
- Google Docs, Sheets, Forms
- Microsoft Word & Excel
- Online learning management systems (DepEd platforms)
- Comfortable with web-based annotation and evaluation tools
Timeline
Junior High School Science Teacher
Valenzuela City School of Mathematics and Science
06.2018 - Current
Junior and Senior High School Science Teacher
PACE Academy
06.2015 - 03.2018
Master of Arts - Science Education
Philippine Normal University-Manila
04.2001 -
Bachelor in Secondary Education - General Science
Philippine Normal University-Manila
04.2001 -