Sarah Polk

Picture of Sarah Polk
With deep senior level management and marketing expertise, Sarah leads businesses through international expansion initiatives, difficult transitions, mergers, acquisitions, and turnarounds. Adept at recognizing growth opportunities, strategic positioning, creative conceptualization, new product launches, and brand management, she builds and expands extensive marketing departments to maximize ROI and shareholder value. Also skilled at product marketing, she works with engineering teams to craft products that meet the market's needs. With an ability to inspire and lead cross-functional global teams, Sarah builds productive, long-lasting business relationships.
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Recent Posts

The AI Training Economy: The Human Expertise Behind the Agent Revolution

The AI Training Economy: The Human Expertise Behind the Agent Revolution

Wed, Apr 22, 2026 | Posted by Neil Isford

The challenge of training AI models on human expertise is not new.What is new is that three college dropouts just built a $10 billion business by productizing that exact problem at scale.

Executive Takeaways

  • The AI training economy is already here — and a $10 billion startup is proof.
  • You can't have capable AI agents without well-trained models. Human expertise isn't being replaced; it's being harvested.
  • Fast followers still have a window, but waiting another 18 months may mean competing on scale alone, not quality.
  • Most organizations are underestimating the speed of this workforce transformation. The time to build AI fluency is now.

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