Haley Mast

Haley Mast

Haley Mast is a small organic farm owner, an intern for a non-profit organization, and has a background in writing and editing. She is a recent graduate student from Harvard Extension University, studying Sustainability with a focus in Agriculture. Her prior writing and editing roles included topics in lifestyle and environmental matters.


  • 5+ years writing about environmental and agricultural topics
  • Organic farm owner
  • Lead writer for the environmental column at Columbia Community Connection
  • Communications and Social Media Intern for a climate movement organization; Our Climate


Haley has a professional background in writing, editing, fact-checking, social media managing, graphic design, and marketing for local and global non-profits, news and media outlets, and large corporations. She is also the owner of a small organic produce farm. As a fact checker for The Spruce, Haley ensures the contents of published piece are accurate and up-to-date.

Read more about The Spruce's Editorial Policies and Standards.


Haley has her graduate degree in Sustainability focused on Agriculture from Harvard Extension University.

Expertise: Sustainability, Agriculture, Gardening, Horticulture, Conservation
Education: Harvard Extension University
Location: White Salmon, Washington
Title: Fact Checker

About The Spruce Crafts

The Spruce Crafts, a Dotdash Meredith brand, is a DIY craft and hobby site covering helpful tips and step-by-step tutorials from passionate makers. The Spruce Crafts reaches 6 million people each month. Learn more about us and our editorial process.

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