Edexia

AI Teacher Assistant for Grading Essays

Y CombinatorWinter 2025ActiveEducationAI-Enhanced LearningArtificial IntelligenceEducationSaaS

What they do

Problem

Teachers spend significant time grading essays and need consistent rubric-aligned feedback without being replaced by automation.

Solution

Edexia is an AI teacher assistant that teachers can train and control to grade essays against a rubric across any subject, level, or format and improve as teachers correct it.

Who it's for

Teachers and educational institutions that assign and grade student writing.

Founders

Daniel Gibbon

Founder

CEO of Edexia. Second-time technical founder. Previously built an EdTech to 200k ARR at 18 in 1 year while achieving a perfect GPA. TEDx Speaker on AI in education. Ranked in the top 30 in my state out of high school.

Nathan Wang

Founder

CTO of Edexia. Second-time technical founder. Previously built an EdTech to 200k ARR at 17 in 1 year while achieving a perfect GPA. Ranked in the top 200 in my state out of high school.

Open roles 2

Engineer

Brisbane, QLD, AU / Brisbane, Queensland, AU / San Francisco, CA, US · Full-time · $80K - $200K · 1.00% - 3.00%

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Founding School Partnerships Lead / Account Executive

Brisbane, QLD, AU / Brisbane, Queensland, AU / Remote (Sydney, NSW, AU; Sydney, New South Wales, AU; Melbourne, VIC, AU; Melbourne, Victoria, AU) · Full-time · $100K - $500K · 0.10% - 2.00%

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