How does a pharmaceutical sales job in Western Kansas lead to industry leadership in optical marketing?

In this episode of Invest in Sqft, John Marvin shares his fascinating career journey—from breaking into ophthalmology to founding his own marketing management and consumer research firm.

Discover timeless marketing fundamentals, customer engagement strategies, and key lessons for small business growth.

Whether you're in the optical industry, an entrepreneur, or looking for actionable marketing insights, this episode is packed with real-world advice and success strategies you won’t want to miss!