About Martha

Precision, care, and a genuine love of language.

I've spent my career helping writers, academics, and professionals put their best words forward. Every document I touch gets my full attention — because your work deserves nothing less.

I'm Martha Jinbo, a Certified Master Proofreader — and this is my second act. After more than 40 years as a high-level administrative assistant, I retired with a skill set I'd spent a lifetime sharpening: precision, accuracy, and an eye for detail that most people never develop.

Decades of managing complex documents, executive correspondence, and high-stakes communications taught me to catch the misplaced comma, the inconsistent heading, the word used twice in a sentence. When I earned my Certified Master Proofreader credential, it felt less like a new beginning and more like a natural arrival.

I bring the same professionalism and care to every project that I brought to every role before this one. My job isn't to rewrite your work — it's to make sure it says exactly what you mean, as clearly and correctly as possible.

Martha Jinbo, Certified Master Proofreader
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Certified Master Proofreader

ProofreadAnywhere.com

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Trained at

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Credentials & certifications

Trained, certified, and committed.

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Certified Master Proofreader

ProofreadAnywhere.com by Caitlin Pyle

The highest level of certification offered by ProofreadAnywhere.com, demonstrating mastery of proofreading standards, style guides, and editorial best practices.

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Legal Proofreading Certification

ProofreadAnywhere.com by Caitlin Pyle

Specialized certification in legal document proofreading — currently in progress. Covers legal terminology, citation formats, and the precision standards required in legal writing.

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Style Guide Proficiency

Self-directed

Trained in APA, Chicago, MLA, AP, and Turabian style guides, with experience applying each to academic, business, and journalistic contexts.

How I work

What you can count on.

Meticulous attention to detail

Meticulous attention to detail

I catch what others miss — not because I'm looking for errors, but because I read carefully and care about every word.

Respect for your voice

Respect for your voice

Your writing sounds like you. My edits preserve that — I correct and clarify without imposing a different style.

Clear communication

Clear communication

I explain my changes with comments so you understand every suggestion and can make informed decisions about your final draft.

Reliable turnaround

Reliable turnaround

Deadlines matter. I deliver on time, every time — and I'll tell you upfront if a timeline isn't workable.

Let's work together.

Whether you have a manuscript ready to go or a project still taking shape, I'd love to hear about it.

MJ-CMP Martha Jinbo

Precision, clarity, and care — bringing your words to their fullest potential.

Certified Master Proofreader

Ready to begin?

Let's make your writing shine. Reach out for a free quote on your project.

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© 2026 Martha Jinbo — MJ-CMP. All rights reserved.

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Certified Master Proofreader · Professional Editorial Services