Mateo O'Sullivan
Lead Educator & Learning Designer · Medellín, Colombia
Secondary maths teacher turned digital learning designer. Based in Medellín, Colombia.
Trust score
8
Verified
7
Evidence
9
Yrs exp
Skill depth
technical
domain
tool
soft skill
Experience
Learning Designer
Harrison Academy
2023-now
Head of MathsEmployer validated
Harrison Academy
2020-2023
Secondary TeacherEmployer validated
BrightPath Education
2016-2020
Education Trainee
Cave Hill Learning Lab
2014-2016
BEd Mathematics
UWI St. Augustine · 2013
Professional Certificate in Education
Barbados Community College · 2026
Achievements
61% → 84%
CSEC pass-rate lift
Redesigned the exam preparation curriculum.
Proof map
Every skill, plotted claimed depth × verification strength. Claims-only platforms have no vertical axis.
Trust score over time
Evidence locker
Classroom Management validated in role
BrightPath Education · 2026
Onboarding Design validated in role
BrightPath Education · 2026
Curriculum Design validated in role
Harrison Academy · 2026
Parent Communication peer endorsement
peer endorsement · 2026
Assessment Design certification
CXC · 2025
Learning Management Systems proficiency assessment
CXC Competency Lab · 2025
Account Management validated in role
Harrison Academy · 2025