Mary Hall

  • • Two years experience as an editor for Investopedia's Advisor Insights, including editing for content, fact-checking and improving overall readability of advisor-submitted articles.
  • • Freelance editor for Investopedia's site-wide initiative to update and improve existing content for 23 million unique monthly visitors.
  • • Editor of several books and doctoral papers, including three fiction books, one non-fiction book and one memoir.


Mary Hall graduated from college with her English degree, but without a clear path to using it. She spent some time as a legal assistant, then several more years as a litigation paralegal with an intellectual property firm in Chicago.

Her position as a project manager in the educational testing division of Houghton Mifflin Harcourt solidified her desire to write or edit as a career. With the birth of her daughter, Mary left her full-time job but continued to work as a freelance editor for HMH and began blogging for a few law firms.

After a three-and-a-half-year stint as a content creator and marketer with a logistics company, during which she won the Cincinnati American Marketing Association’s Marketing Department of One Award, she returned to freelancing. Since then, she has handled blogging and social media for a financial advisory firm, written content for various small businesses, edited several books for independent authors and doctoral papers for PhD students, became the senior content strategist for UniMedia—an inbound marketing firm—and continues to edit hundreds of articles for Investopedia each year.


Mary received her bachelor's in English from Kent State University with a business minor and writing concentration.

Quote from Mary

"Not being a numbers person myself, I truly enjoy editing articles to make them accessible to readers who most likely did not major in finance, but are interested in educating themselves about financial planning and investing in their futures."

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Investopedia helps you understand complex financial concepts, learn and improve your investing skills, and learn how to manage your money. Whether you’re in a classroom, a boardroom or your living room, our editors and network of financial advisors and experts have answered your questions and proudly earned your trust since 1999. Investopedia is part of Dotdash, a collection of some of the web’s largest and most trusted digital media brands.

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  1. Trading Instruments

    What is the difference between options and futures?

    An option gives a buyer the right, but not the obligation to buy or sell an asset, A futures contract obligates the buyer ...
  2. IRAs

    Can an individual contribute to both a Roth IRA and a Traditional IRA in the same year?

    Individuals can contribute to both a Roth IRA and a Traditional IRA in the same year, as long as the total contribution does ...
  3. Markets & Economy

    What Is Purchasing Power Parity (PPP)?

    Purchasing power parity (PPP) is an economic theory that compares different countries' currencies through a "basket of goods" ...
  4. Investing

    How Do Interest Rates Affect the Stock Market?

    Interest rates can have a complicated ripple effect through financial markets. Learn more about how they specifically impact ...
  5. Trading Instruments

    Using the "Greeks" to Understand Options

    The Greeks provide a way to measure the sensitivity of an option's price to quantifiable factors.
  6. Budgeting & Savings

    Babcock Graduate School of Management

    Babcock Graduate School of Management was the previous name of the graduate program at the school of business at Wake Forest ...
  7. College Costs

    Kellogg School of Management

    The Kellogg School of Management is the business school at Northwestern University.
  8. College Costs

    Marriott School of Business

    Marriott School of Business is the school of business at Brigham Young University (BYU).
  9. College Costs

    Goizueta Business School

    Goizueta Business School is the business school at Emory University.
  10. Markets & Economy

    What's the difference between Porter's 5 Forces and SWOT analysis?

    Learn about when and how to use SWOT analysis versus Porter's Five Forces. Learn what sets the analysis tools apart and how ...
  11. Markets & Economy

    What Is the World Bank?

    You've heard of the World Bank, now find out how it functions and why some groups oppose it.
  12. Markets & Economy

    What's the difference between Porter's 5 Forces and PESTLE analysis?

    Compare Porter's 5 Forces and PESTLE Analysis and how they can be used to examine competitive situations and to help develop ...
  13. Markets & Economy

    What are some examples of expansionary monetary policy?

    Learn about expansionary monetary policy and how central banks use discount rates, reserve ratios and purchases of securities ...
  14. Markets & Economy

    What is the role of the nation-state in globalization?

    Learn about the evolving role of the nation-state in an increasingly globalized world as fewer boundaries restrict international ...
  15. Markets & Economy

    Which factors can influence a country's balance of trade?

    Find out about the factors that affect a country's overall balance of trade and how it is used as an economic indicator.
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