New Book, The Product Engine, Challenges How Manufacturers Manage Product Businesses

COLUMBUS, Ohio - EntSun -- The Product Engine, a new business book by Douglas Ringer, is available today in a Kindle edition on Amazon. Written for executives responsible for product businesses, the book explores the decisions that shape profitable performance long before teams begin executing a product plan.

Ringer argues that many product execution problems originate earlier—in how businesses define opportunities, select customers, establish economic expectations, prioritize investments, and govern a product portfolio. The book offers a business-centered perspective on product leadership rather than treating product management primarily as a coordination or delivery function.

Drawing on decades of experience in engineered products, manufacturing, and connected technologies, Ringer examines the choices executives face when allocating resources, commercializing products, developing differentiation, and balancing growth with returns. Its central premise is that product leaders must be business leaders—and that better outcomes require linking market decisions, product decisions, and financial consequences.

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The Product Engine is intended for presidents, general managers, division leaders, and other decision-makers responsible for the performance of product businesses. It challenges readers to examine not only how effectively their teams execute but whether the business has made the right decisions for them to execute.

Douglas Ringer has held product and business roles across industrial and technology environments and has written extensively about product management, commercialization, and business performance. His perspectives and writing are available at www.DougRinger.com.

Availability: The Product Engine is available as an Amazon Kindle e-book for $12.99 beginning October 28, 2026. https://www.amazon.com/dp/B0HP742J3H

Media contact: Douglas Ringer  |  www.DougRinger.com  |  doug@dougringer.com