Marie Timell

Marie Timell – Editor

A former Penguin Random House senior editor, I develop/doctor, line and copy edit nonfiction. Have an MBA and have worked in finance.


I have edited topics ranging from personal finance to a wine guide for mothers as well as health, history, and many books in the self-help genre. I excel in editing religion, spirituality, and new age topics, and a spirituality book I developed won an IPPY Award. Many of the books I have edited have had the legs to stay in print for some time. Two authors I assisted with their debut books went on to successful publishing careers. Several titles I edited after they were self-published subsequently received contracts from major publishers.

Easygoing and highly collaborative, I help authors get their books to the next level. As a development editor, I work with a writer on a structure to achieve an accessible flow of thought. My process is to edit in Word’s track changes, offering comments and examples and being available for discussion or questions.

Business & Management Design Finance & Accounting Health & Wellbeing New Age Religion & Spirituality Self-Help & Self-Improvement
English (US)

Work experience


Mar, 2014 — Present

Provide nonfiction editorial, content enhancement, writing, and other services.
▪ Edit and copyedit nonfiction books, articles, pamphlets, and Web content according to style guides
▪ Perform developmental editing, restructuring, and rewriting content. Write sales copy
▪ Manage book projects through the Amazon/KDP self-publishing portal
▪ Other projects have included: RFP responses; Web sites for a travel agency and a book (copy and design);
music lyric reprint permissions negotiated and cleared; and an analysis of a proposed construction plan.

Grant Thornton LLP

Feb, 2006 — Jan, 2011 (almost 5 years)

Consultant to businesses and law firms on accounting and financial matters in the Forensic and Valuation Services practice. Planned and managed projects in forensic and investigative accounting to resolve problems, monitor contract compliance, or assess the likelihood of fraud. Trained as a Certified Fraud Examiner. Provided litigation support to attorneys. Wrote post-acquisition purchase-price dispute arbitration determination reports by analyzing case documents and performing financial modeling. Wrote RFP responses, created marketing materials, researched prospects, and engaged in networking and business development. Served as national Knowledge Manager, redesigning and managing the practice’s Intranet knowledge management site.


Apr, 2002 — Jan, 2006 (almost 4 years)

Provided book editing and packaging services. Copy edited for Travel + Leisure and other upscale magazines for several years.

Penguin Random House

Feb, 1992 — Apr, 2002 (about 10 years)

Acquired and edited nonfiction books, both for trade paperback and adult illustrated publication. Presented to publication committees and sales teams. Book doctored (restructuring and rewriting) and line edited manuscripts. Packaged numerous books--managing design, production, artwork and coordinating writers. Negotiated publishing contracts. Cleared art and photography permissions. Simultaneously served as business manager of an imprint, budgeting, forecasting, and tracking legal agreements.

Marie has 8 reviews





Carlos E.

Carlos E.

Jan, 2024

AMAZING Editor. Super fun to work with and some great input to not only fix grammar but readibility as well. Thank you Marie!
Stephen B.

Stephen B.

Sep, 2023

Marie is excellent. She was very thorough with my manuscript. And some of her comments were also useful for content. She also does this nice thing, where you can schedule a short phone call to discuss any lingering questions. She also provided some advice based on her years of experience in the industry. She is very professional, yet approachable. By the way, my experience was with a nonfic...
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Alex W.

Alex W.

Sep, 2023

Marie was responsive and collaborative, easy to reach, and easy to work with. Our text was very technical in parts and she was still able to provide edits and bring clarity to a sometimes dense or esoteric concept. Highly recommend!
Michelle D.

Michelle D.

Aug, 2023

Maire truly defines as an experienced professional who goes over and beyond. Finding someone you can trust with your work, is not always easy. I am so pleased that Marie had accepted to work on my manuscript. Marie is easy to work with, which makes the whole process harmonious. I would not hesitate to work with Marie again. Anyone undecided about who to work with- choose Marie you will not regr...
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Carol C.

Carol C.

Jul, 2023

I had a wonderful experience working with Marie on my personal finance book. She's extremely professional, thorough, and knowledgeable about proofreading and editing. She went above and beyond my expectations. I hope I get to work with her again someday. I highly recommend her.

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