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.
Installation Starts Before the First Course
August 2026

Some of the most expensive masonry installation problems begin long before crews arrive onsite. By the time a project reaches the field, many coordination decisions have already been made. Dimensional conflicts, congested reinforcement, specialty materia

Designing for Performance: Key Considerations for Efficient, Durable Masonry Projects
August 2026

A successful masonry project starts well before the first stone is set. The craftsmanship on site matters, of course, but many of the decisions that shape the final result are made much earlier—during design, detailing, and material selection. Those choic

Change Orders: Standard Operating Procedure
August 2026

In masonry construction, change orders are not occasional events; they are guaranteed. Drawings do not always match field conditions, specifications can conflict, and real-world construction has a way of exposing gaps in design. At DRP Masonry, we operat

RFIs: Clarity, Communication and... Hierarchy?
August 2026

In construction, any project starts with drawings. Plans. Schedules. Specifications. Whether we're talking about new construction, additions, or restoration, there is a plan, there is design intent, and a way every piece of a project needs to fit together