Levi Te Slaa sits down with Dr. Abigail Polzin—ER doc, former AirMed Medical Director, and current program director for the newly launched emergency medicine residency at USD Sanford. They talk about her journey from Utah to Wisconsin to South Dakota, her time in the air as a flight medicine leader, and what it takes to build an innovative training program in a part of the country that has long needed it.

You'll hear about:

• Why Abigail fell in love with emergency medicine

• How her team handled 14,000+ flight patients over a decade

• What makes South Dakota’s new residency program so impactful

• How rural healthcare differs from big-city medicine

• The emotional toll—and reward—of ER work

• What aspiring ER docs need to succeed

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What happens when a renowned atmospheric scientist turns his attention to cattle ranching? In this episode, Dr. Patrick Zimmerman—founder and CEO of C-Lock Inc.—shares how his journey from environmental research to agricultural innovation is helping reshape animal agriculture around the globe. From pioneering emissions monitoring systems to revolutionizing how ranchers measure efficiency, Dr. Zimmerman opens up about the power of data, science, and respect for ruminant animals.

He discusses how early work at the National Center for Atmospheric Research led him to develop technology that bridges biosphere-atmosphere science with real-world applications for farmers and ranchers. Listeners will hear the fascinating story of how his company, C-Lock, evolved from a carbon accounting concept into a global leader in precision livestock monitoring—with clients across 50 countries and counting.

Whether you’re a rancher, a scientist, or someone curious about sustainable agriculture, this episode unpacks big ideas in an approachable and practical way.

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In this episode, host Levi Te Slaa welcomes Carrie Gerlach, founder and owner of Black Hills Adventure Tours. Carrie shares her inspiring story of starting the business with a modest loan, a few kayaks, and a big dream. Now celebrating 20 successful seasons, she’s grown the company into a thriving adventure and tourism service offering customized experiences across the Black Hills and beyond.

Carrie opens up about her early years, how she transitioned from hospitality into entrepreneurship, and what it took to build a seasonal business from the ground up. She also talks about balancing motherhood, creative problem-solving, expanding her offerings with women's travel experiences around the world, and the importance of partnerships in delivering world-class guest experiences.

Whether you're an aspiring entrepreneur, a lover of the outdoors, or someone curious about sustainable business growth, this episode is packed with grit, vision, and wisdom.

--------------------------------------------------------------------------------- Be A Guest Are you a successful business owner or professional with insights to share? Apply to be a guest on https://grittogrowthpodcast.com/guest and share your expertise with a wide audience eager to learn about you.