Alone we can do so little, together we can do so much.

— Helen Keller


QuantumFlo is a living entity. Our lifeblood is our quality people, who are committed to excellence in every aspect of construction and design.

As a team, the QuantumFlo mantra is: “Never stop innovating.” This is why our systems represent an exponential leap in packaged pump technology. Meet some of the people that make QuantumFlo, Inc. a success.

David Carrier, President & CEO

For more than 30 years, David Carrier has worked in packaged pumping and controls. Starting as an independent representative in 1984, David called on engineers, distributors and contractors. David is the author of several publications regarding packaged pump systems and he specializes in the application and promotion of variable speed packaged system design. A CEU Provider and ASPE Instructor, David is passionate about the market and continuing education for engineers and designers. David is the “hands-on” director for all sales and marketing for QuantumFlo, in addition to being its Chief Executive Officer.

Email David

Linda Edwards, General Manager

One of our very first employees, Linda Edwards is responsible for day-to-day operations of QuantumFlo. Linda has extensive experience in accounting and customer service with over 20 years of experience in the cable TV industry, where she served as Vice-President of Operations. She spent the early 2000's in consumer finance management positions responsible for 50-100 employees. Linda joined QuantumFlo just a couple months after incorporation in 2007. Her passion is precision and organization, which serves her well in the role of key administrator of QuantumFlo.

Email Linda

David Darone, Production Manager

Prior to joining QuantumFlo in 2008, David Darone served as Product Manager and Yard Superintendent for Weyerhaeuser Corporation. In addition to managing all operations at the facility, David implemented various Quality Control systems which improved delivery times and minimized waste. Prior to Weyerhaeuser, David worked for Glidden Paint in the Glidden Test Laboratory for Powder Coating, and was responsible for Quality Control of product fabrication. David’s passion is organization and quality, a commitment to excellence which serves all QuantumFlo customers well.

Email David

Ed Ross, Vice President of Sales/Southern Region Sales Manager

Edward Ross brings great success from the Plumbing and HVAC industries. Along with a diverse product background and extensive industry knowledge, he successfully increased sales volume and market share utilizing his 30 plus years of expertise selling, designing, and servicing domestic water pressure booster systems.
As Vice President of Sales, he leads the QuantumFlo Sales Team of authentic, enthusiastic, genuine employees who set the tone for our industry. Our competitive industry requires a tenacious approach with a “Can Do” attitude to produce the most intelligent, energy efficient, industry leading Booster Systems World-Wide.

Ed earned an MBA and Bachelor's degree from Point Park University in Pittsburgh, PA.

Email Ed

RoseAnn Di Giovanni, Western Region Sales Manager

RoseAnn DiGiovanni is a 29-year veteran in the area of pumps and pumping systems. Her career began in 1992 with PACO Pumps in Oakland, CA as sales and service support, and she joined the company in its relocation to Texas. Years later, she joined a manufacturer’s representative and saw the business from the “customer-facing” perspective, specializing in Plumbing, HVAC, and Water/Wastewater markets, then learning the Fire Protection pump business. In 2000, she became a territory manager for ITT-A/C Fire Pumps in Chicago. RoseAnn specialized in technical sales and applications training, working with representatives worldwide as a regular instructor at ITT’s famous “Little Red Schoolhouse” in Morton Grove, IL.

After developing nationwide Fire Pump expertise, RoseAnn was hired by Aurora Pump Company as their Central Regional Manager to cover Fire, HVAC, Plumbing, and Municipal markets. She joined Patterson Pumps in 2004 as the North/Northeast Regional Manager covering 24 states and working in all trades. She grew the market substantially for 13 years as a top performer. RoseAnn brings to QuantumFlo a wealth of knowledge and strong training skills to develop our markets as she has her entire career. A “no-nonsense” sales professional with a strong affinity for applications, engineering, rep training and development, RoseAnn has been a member of the ASPE and NFPA organizations, and holds a BA in Psychology from UC Davis.

Email RoseAnn

Vincent Vario, Northern Region Sales Manager

Vincent has spent the past 20 years in developing and growing sales and marketing organizations in various related industries, culminating with this position as QuantumFlo, North Region Sales Manager.

Vince has thrived on challenge, beginning in his early years when he received recognition as a National Eagle Scout. He then jumped into the world of sales and marketing by starting his first business in 2004. Vince immediately utilized his leadership skills during these early years, building and developing sales teams. Vince has successfully been known for driving brand growth maximizing operational excellence and delivering sales performance. He has held various positions throughout his career, starting as a business owner, sales and professional and senior leadership team member. He has a particularly keen understanding in the manufacturing, commercial HVAC, plumbing and fire protection markets. Vince’s specialty is taking complicated concepts and products and making them easy to understand by his sales team, which makes him an ideal candidate for his new role at QuantumFlo.

Vince earned a Bachelor's degree in Business Communications from Hofstra University in Hempstead, NY.

Email Vince

Robert Mann, Engineering Manager

If anyone had a calling to Engineering and Project Management, it's Robert Mann. Robert became Manager of QuantumFlo Engineering in 2013, rising to that position from the rank of Mechanical Engineer. Robert has a Degree in Mechanical Engineering from the University of Central Florida (2007), where he maintained solid positions on both the President's Honor Roll and Dean's List for multiple semesters. After graduation, he spent time with a Jacksonville manufacturer's representative specializing in Plumbing Systems Design and Application. In his spare time, he likes to tear things apart and re-build them even better! As a Florida native, Robert has spent his entire career and life in the Central Florida area.

Email Robert

Eric Lockshine, Director of IT

Eric Lockshine graduated from the University of Toledo with a Bachelor’s of Business Administration in Information Systems and Operations Management in 1994, however, he has been involved in computer programming well before that. He has worked for engineering, medical, software security and most recently, as a software developer to a NASA contractor. Throughout the past 15 years, he has been working with David Carrier, part time, in the development of the software now known as calQflo®. As the primary developer of the software over the years, and now the director of all things IT-related, he is the ideal candidate to spearhead the expansion of QuantumFlo IT development and expansion. Eric is a veteran having served 2 years in the Army and then 10+ years in the reserves. He has a wife Harriet and son Louis.

Email Eric

Debbie Carrier, Executive Assistant

Advanced Pump Solutions

Our award-winning selection of products include state-of-the-art hardware and software.

Discover Our Systems