Our team is comprised of expert engineers who can bring your dream to reality.


Photo of Tom Rohlfs


President/ Principal Engineer

In 2011, Tom founded Controlled Fluidics in response to industry demand for higher-quality, lower-cost manifolds. He brings a wealth of knowledge about the design and manufacture of fluidic and microfluidic bonded manifolds that provides the highest quality products to Controlled Fluidics’ customers. His experience helps create precision plastic components for devices that do everything from acting as a patient’s temporary heart/lung to facilitating microgravity experiments on the International Space Station.

Before Controlled Fluidics, Tom was principal engineer and owner of Connecticut Plastics, where he oversaw sales and process development, and had served as a design engineer for multiple companies. Tom earned his BS in physics from Providence College, his BS in mechanical engineering from Columbia University, and his MS in mechanical engineering from the University of Michigan.

Photo of Chris Connor

Chris Connor

General Manager

General Manager. 13 years in plastic machining. Head of Operations.

Bob DiMaio

Bob Dimaio

Engineering Manager

Engineering Manager. 13 years in plastic machining.  Customer design support, part processing and lathe programming.

Gregg Raffa

Manufacturing Engineer

Manufacturing Engineer. 16 years of plastic machining. Mill programming with a focus on cycle time and setup reduction.

Photo of Todd Morin


Design Engineer

Todd has served as Controlled Fluidics’ R&D engineer since 2011, focusing on technical process development and design. He has particular expertise in plastic bonding and creative manufacturing solutions for numerous challenging fluidic and microfluidic projects.

A machining professional for over 20 years, Todd was a machinist and programmer at Souhegan Machine and shop manager/machinist/programmer at Connecticut Plastics prior to joining Controlled Fluidics. Todd earned his Associate’s Degree from New Hampshire Community Technical College.

Photo of Andy Weiss

Andy Weiss

Fluidics Engineer

With fluidics engineering experience dating to 1989, Andy’s skills as a quality and design engineer are a valuable addition to Controlled Fluidics’ design group. His previous work experience includes six years at GE and Netbio with a concentration in product capability studies and control plans/charts as well as five years in process layout and design in plastic machining. Throughout his career, Andy has developed particular expertise in electromechanical design and in liquid and air fluidic system design as well as process development and control.

Andy earned his Associate’s Degree in electromechanical design and drafting from New Hampshire Community Technical College and his BS in organizational management from Daniel Webster College.

Photo of Jeff Stone

Jeff Stone

Facility Manager

Facility Manager NH. Hitcher CNC Lead and master mold maker for 18 years.