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Chris Couper 


In 1993, Chris founded Liquidyne and has been involved with manufacturers and customers working to provide solutions for fluid transfer, measurement, and control challenges. Chris earned a B.A. in biology from Washington University in St. Louis. He worked as a scientist in academia and later at a pharmaceutical manufacturer. He later joined a South San Francisco manufacturer and distributor of purification skids in technical sales and later management. As president, he enjoys personal interactions with his team and business partners, working on strategic leadership and problem-solving. If not at the office, he can be found at home with his family and animals, in an ice rink or golf course, or serving on the local companies' advisory board.

Bryan Boettiger

Chief Experience Officer

Bryan joins the Liquidyne team to help support the continued growth of the company. His 20+ years of founding and growing an award-winning marketing agency that he sold in 2018 added another vital team member to an already experienced staff. Bryan has been tasked with focusing on overall business health as it relates to Customer Experience. This includes all internal and external customer touchpoints. His operations, sales, and marketing experience will enhance an already strong foundation at Liquidyne.

Dave Couper 

Director of Operations

At Liquidyne, Dave Couper leads the operations department and ensures top-notch quality management for the Single-Use Design Group and new product development. With experience in providing operational, financial, and product development leadership to startups, Dave has even taken several companies global. His unwavering drive to support Liquidyne's customers is evident in everything he does.

Jan Dean

Accounting Specialist

Coming soon...

Holli Mulholland


Holli Mulholland is a member of Liquidyne’s Customer Relations team. Holli recently received her bachelor’s degree in Biology with a Psychology minor. Holli has a well-rounded work history that has all focused on helping people. As a CSR II, she loves the daily opportunities to support Liquidyne’s customers and work alongside the Liqduiyne team to help make life better for all. Holli enjoys gardening, reading, cooking, and spending time with her family in her spare time.

Kelly Welch


Coming soon...

Sylvie Harlan 

Quality Manager 

Sylvie has been involved with quality control for more than 30 years. She has an M.Sc in Management from the University of Montreal. She wrote a thesis on quality and interned during her studies in Japan with the Japanese (TC176) ISO 9001 Committee. Sylvie is very involved in sharing her passion for quality in different forums. She has been the Quality Manager for Liquidyne since 2016. In parallel, Sylvie performs Internal and Registrar ISO 9001 and 13485 audits as she likes to remain abreast of the best practices, risks, and changes in industries.

Sara Garton

QA/QC Associate

Sara Garton is a member of the Liquidyne Quality Team. As QA/QC Associate, Sara works alongside the Quality Manager to ensure Liquidyne provides best-in-class service, products, and processes to its customers and partners. Sara received her B.S. in Biology from Iowa State University in Ames, Iowa. Shortly after graduation, she began working in a quality role and developed a passion for quality improvement efforts. Sara became a member of the American Society for Quality and has held various quality positions across several industries over the past ten years. Sara's passions are continuous process improvement, problem-solving, data analysis, and asking many questions. Outside of the office, she enjoys spending time with friends and family, trail running, reading, and a good game of Scrabble.

Tom Weller 

Technical Sales Representative

Tom Weller holds a Senior Sales Representative role with Liquidyne. He primarily supports pharmaceutical and food and beverage customers, expanding business and creating and maintaining relationships. From his humble roots as a metal finisher in a stainless-steel filter housing manufacturing plant, Tom has worked his way up to senior sales through various customer service and sales roles. With over 25 years of industry experience, Tom brings valuable expertise to every interaction. He is passionate about success, both for Liquidyne and all our customers. The longer and more complicated the project, for Tom, the more rewarding it is. Tom also takes a very hands-on approach to his relationships. From meeting customers in person (when possible), supporting their needs and ensuring deadlines are met, to personally solving any problems that arise, Tom is genuinely invested in every customer and project.

Doug Mckenney

Technical Sales Representative

Doug brings substantial experience from 15 years in biotech. He supported and serviced laboratories from discovery R&D and process development to scale-up and GMP production. His expertise focused on chromatography at all scales in medicinal and organic chemistry, peptide synthesis, and protein isolation/purification settings. Doug values the relationships he builds with his customers and strives to exemplify how a responsive, competent, and cooperative representative should be. He prefers to work side-by-side with customers to help solve their problems. On a personal side, Doug enjoys being in motion- planes, boats, cars, walking, biking, and hiking. He also loves fixing things, brewing beer, and working on his property. Doug and his wife, Charlene, share their lives with two golden retrievers and enough young nieces and nephews to field a soccer team.

Mike Burns

Technical Sales Representative

Mike Burns is a Technical Sales Representative for Liquidyne. Mike has a bachelor's degree in Biology and a master's in Anatomy/Neurobiology. He has spent the last 20 years in Medical Sales. Mike has dedicated his professional career to helping those in need and improving their overall quality of life with new technology and innovative ways of treating various ailments. Mike's passion for customers, clients, and patients helps make him an asset for partnering on your most challenging process needs. As a Colorado native, Mike loves being outdoors. Biking, walking, and getting to the mountains for a family getaway, are priorities! He enjoys reading and coaching his daughters in their various activities.

Chris Griswold

Warehouse Supervisor

Chris Griswold is Liquidyne's Warehouse Supervisor. Chris has nearly 30 years in the warehouse environment, where he's refined his skills in delivering consistency in an often-fickle environment. Liquidyne prides itself on having a clean and orderly warehouse, and Chris leads the way in keeping products moving and delivering our customers' products with care. Chris enjoys the warehouse environment's fluidity and the hands-on nature of the role. Chris likes spending time with his family of felines, and wife, reading books and venturing outdoors in his spare time.

Guy Ross 

Cleanroom/Hose Fabrication Lead 

Guy Ross is a crucial part of Liquidyne's team as our Cleanroom/Hose Fabrication Lead. Working mainly with custom orders, Guy spends most of his time in the cleanroom building assemblies and fabricating different hoses. This process requires specific expertise for each industry and application. Guy takes the time to understand the requirements and quality standards for each build. He enjoys the intricacies and technicalities involved with creating a product that meets customer needs and stands up to stringent quality standards. Before joining Liquidyne, Guy worked for himself doing remodeling, home maintenance, and installing commercial equipment. That technical knowledge, natural talent for building, and entrepreneurial spirit serve Guy well in his current role. He is a hard worker and a self-starter who is always up for a challenge. Being a part of the positive, dedicated Liquidyne team is one of Guy's favorite aspects of his work.