A Dreison International Company
Sales and Support: (216) 362-0755

Our Team

Our Staff

John Berger

John Berger

President and Owner
John took on the role of President and Owner of Maradyne Corporation in 1996. Since then he has grown the company tremendously by acquiring new companies and their product lines and consolidating them into Maradyne’s Cleveland, Ohio facility. John continues to focus on growing the company through acquisition and is always open to possible opportunities. […]
Whitney Slaught, III

Whitney Slaght, III

Chief Financial Officer, Dreison International, Inc.
Whitney began his relationship with the business back in 1989, serving as it’s outside CPA for several years before joining as the company’s CFO. He is responsible for all financial aspects of the business, including banking and financial reporting. He leads an Accounting team of 8 people to insure timely and accurate financial information is […]
John Barrish

John Barrish

General Manager
John Barrish is a skilled administrator with a proven expertise to create, manage, and grow a successful manufacturing company. John joined Maradyne Corporation in 1999 to oversee all product lines and employees. John received his Master’s Degree in Business Administration, from Cleveland State University in Cleveland Ohio. He has been recognized at Maradyne Corporation for […]
Tracy Long

Tracy Long

Director, Business Development
Tracy has been with Maradyne since 2009, and is currently Director of Business Develop for turbo and Greenlees filter. He is happy to help customers with questions about how to best apply our products, whether a PowerRam on a heavy duty machine used to clear snow off airport runways, or a new air cleaner for […]
Dave Tino

Dave Tino

Shipping Manager

Paul Ellsworth

Turbo Engineering

Rob Dingess

Turbo Engineering

Debbie Mankowski

Inside Sales
Debra has been dedicated to Maradyne Corporation for over 10 years. She began her career at Maradyne in Customer Service and progressed to Turbo Precleaner Sales, as of current she is an inside sales representative for Pow-R-Quik Sales Team. Debra comes from a background of many years of experience of office duties in several companies […]