The OnSite Team

President and CEO

Tom Donato
(856) 470-6304

One of my favorite quotes is from Henry Ford.  He said: "If I asked people what they wanted, they would have said faster horses."  At OnSite our philosophy is not to give you faster horses.  Our mission is to give you a customized solution that takes your business to the next level.

Vice President and COO

OnSite Sterilzation - Regulated Medical Waste (RMW)
Timothy A. Barrett
Mobile: 610-750-4355

Tim has 20+ years working in the Regulated Medical Waste field and is one of the inventors of the VariClave.  His passion for satisfying our customers is evident in the quality of the product he delivers.  In addition to supporting domestic activities, Tim is also responsible for OnSite's Global Markets and Commercial Processors.

Director, Northeast Regional Sales

Al Koehler - Director OnSite Sterilization - RMW Medical Waste Solutions
Al Koehler
Mobile: 610-733-3029

During Al's 5+ years with OnSite he has become a go-to person for prospects and clients, helping them solve some of their most complex issues.  Al's dedication to the client and work ethic are reflected in the results achieved by our clients.


Greg Smith - OnSite Sterilization - RMW Medical Waste Processing Engineer
Greg Smith
Office: 484-624-8566 

Greg is eager to find answers.  He enjoys thinking outside of the box and will not settle for less than optimal solutions.

Customer Service Manager

Justina Schneeweis - OnSite Sterilization, LLC - RMW Medical Waste Processing
Justina Schneeweis
Office: 484-624-8566 

Justina provides customers with a single point contact for inquiries.  Her RMW background and attention to detail allow her to address customer needs quickly and efficiently.