Episode 19-04: Mary Heffernan

Mary Heffernan left Silicon Valley to build Five Marys Farms, a thriving ranching business in Northern California. Alongside her husband and four daughters—all named Mary—she raises premium cattle, hogs, and lambs while running multiple entrepreneurial ventures, including the M5 Ranch School and her Ranch Raised Cookbook.

In this episode, Mary shares her journey from tech to ranching, the challenges of building a business from the ground up, and how she’s helping others break into agriculture.
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