PROSOCO Announces New Sales Manager, Trainer

Words: Al MorrisMark Donze has joined PROSOCO as sales manager for the company’s Central Great Lakes sales region. He replaces Mike Trotta, who was promoted to contractor training specialist.

PROSOCO, Lawrence, Kansas, is a national manufacturer of products for cleaning, protecting and maintaining concrete, brick and stone architecture.

The company’s Central Great Lakes sales region includes Michigan, Ohio, Western Pennsylvania, West Virginia, Kentucky and the Southern tip of Indiana.

An Ohio native, Donze grew up in Canton, and currently lives in Uniontown, Ohio. He’s a graduate of Kent State University, where he earned a bachelor’s degree in business administration.

Donze entered the construction industry in 1989 when he went to work for coatings manufacturer Sherwin-Williams. Since then, he has run both commercial and retail stores, and served as a sales rep covering Ohio’s Akron and Summit counties. He worked with architects, engineers, builders and painting contractors.

As sales manager, Donze supports PROSOCO distributors in selling the company’s products to clean, protect and maintain concrete, brick and stone architecture. He will also work with area contractors, architects, building-owners and the company’s many manufacturer’s representatives throughout his sales territory.

As the company’s contractor training specialist, Mike Trotta creates and travels with mobile “road show” training programs to give contractors nationwide free hands-on training in PROSOCO’s latest technologies.

“Air and Water-Resistive Barriers for Masonry Construction” is currently his most requested program.

Previously, Trotta served as a PROSOCO sales manager for five years. The Cuyahoga Falls, Ohio resident is a graduate of the University of Akron.

For more information visit www.prosoco.com.
The Important Issues with Masonry Barrier Systems
July 2026

A barrier is an element, device, or material that is intended to stop something from passing through. Road barriers stop traffic, for instance. Sun lotion with a high SPF rating will stop UV rays (for a limited time) from damaging the skin. In masonry, ba

Four Home Design Trends Driving Masonry Demand in 2026
July 2026

As design trends continue to evolve, one theme remains consistent throughout 2026: homeowners want spaces that feel intentional, comfortable and enduring. According to Westlake Royal Building Products’ TrendLine platform, today's most influential trends e

The Modern Masonry Saw: Safety, Efficiency, and Smarter Cutting
July 2026

Masonry is a craft built on precision, strength, and durability. At the heart of every successful masonry project is one essential tool: the masonry saw. As technology evolves, so does the role of the saw on the jobsite. Today’s contractors are not just l

Getting the Finish Right on Burnished CMU
July 2026

The wall is complete. The lines are crisp. The coursing is tight, and the burnished CMU delivers exactly the refined appearance the design team envisioned. After weeks of coordination and careful installation, the project is final