About Us

The Robo Team

Rob O'Brien, Founder • rob@robo-fit.com

Rob has over 40 years of experience in the valve & fitting industries. He is considered to be one of the most knowledgeable authorities in the U.S.A.

Frank O'Brien, COO • frank@robo-fit.com

Frank has over 40 years of experience in the valve & fitting industries and is an invaluable member of the Robo team.

Rita O'Brien, Accounting Department Head • ap@robo-fit.com; rita.obrien@robo-fit.com

Rita has been instrumental part of the Robo-Fit team since its inception in 2000. She is the head of our accounting department.

Bobby O'Brien, President • bobby@robo-fit.com

Bobby, a 3rd generation valve and fitting specialist, has been a member of the Robo-Fit team since 2012 and assumed responsibilities as the company President in 2024.

Bobby has had extensive training relating to the following product series, ensuring his in-depth knowledge and expertise in:

Fluid System Connectors; fitting and valve products.
Hose Products; rubber hose, hose fittings, equipment and accessories.
Hose Couplings and related products.

Nick Russo, Operations Manager • nick.russo@robo-fit.com

Nick has been a member of the Robo team since 2017 and is responsible for the day to day operations, including:

Inventory/Product Management
Account Management/Customer Satisfaction

William Pretorius, Lead Engineer • william@robo-fit.com

William has been a member of the Robo team since December of 2021, his responsibilities include:

Engineering & Design of Robo-Fit products
Product Development
Quality Control Practices
Account Management

Rick Zizak, Fulfillment Operations Manager

Rick has been a member of the Robo team since January 2021 and is responsible for processing customer orders.

John Bambrick, Customer Service Specialist •JBambrick@robo-fit.com

John has been a member of the Robo team since July 2025 and leads our customer service and response team. His even-keeled demeanor and measured presence have been a key addition to the team and have elevated the level of service we offer our customers.

Jeff Widmar, Vibra-Seal Production Specialist

Jeff has been a member of the Robo team since October 2021 and oversees our Vibra-Seal operations.

Finlay Arnott, Fulfillment Operations Associate & Production Specialist

Finlay has been a member of the Robo team since January 2025 and works closely with the Fulfillment Operations Manager. He also supports the production of special assemblies.

Ronan Spohn, Vibra-Seal Production Specialist & Production Specialist

Ronan joined the Robo team in July 2026 and is our primary machine operator for all Vibra-Seal operations. He also helps with the production of special assemblies.