DiaSys USA

Our Company

Global Leader in Veterinary Diagnostic Solutions

Since 1991, DiaSys Diagnostic Systems, the German parent company of DiaSys USA, has developed and manufactured superior diagnostic systems, including automated analyzers and point-of-care devices for human health. Visit Website >

DiaSys USA focuses on the unique needs of veterinary diagnostics, offering a growing product portfolio, custom-tailored solutions, and strong customer support to maintain its position as a top-quality global supplier.

Trusted by thousands of facilities worldwide, including veterinary offices, hospitals, clinics, diagnostic laboratories, research institutions, commercial farms, pharmaceutical companies, zoos, and more, DiaSys USA has built a stellar reputation for providing quality laboratory instruments, diagnostic reagents, calibrators, and controls.

Explore our Website to Learn More

scroll down

Why Choose DiaSys USA?

scroll down

Meet Our Leadership Team

DiaSys Diagnostic Systems Company Photo Montage with Scientists and Leadership employees featured click for video
blue molecule with element highlighted in yellow 2

Our Strengths

Why DiaSys USA?

DiaSys USA stands out in the veterinary diagnostics industry due to our unwavering commitment to providing innovative, accurate, durable, and customizable solutions that are superior to those of our competitors. Coupled with our top-tier support services, we can meet and exceed the unique needs of our veterinary clients, from small offices to large research facilities.


Quality Products

Our diagnostic instruments use proven, innovative technology to ensure the highest accuracy, efficiency, and durability.


Custom Solutions

We can deliver specialized assays, unique reagent formulations, and tailored support services to enhance your diagnostic capabilities.


Stellar Support

We offer unmatched support to ensure smooth operations, from installation and training to maintenance and troubleshooting.

Working as a Veterinary Technician in zoo medicine, we utilize the DiaSys respons®910VET and EXIAS e | 1 daily for routine monitoring of individual and herd health among our collection of animals. After using a variety of smaller analyte machines, it is obvious that the abilities and customization of the DiaSys respons®910VET and EXIAS e | 1 are superior in quality. We can create custom panels for different species, which has resulted in a smooth routine with processing such a… Read More “Madelyn A. | Certified Veterinary Technician”

Madelyn A. | Certified Veterinary Technician

The integration of the DiaSys USA laboratory equipment, specifically the response910VET and the EXIAS e|1, has significantly enhanced our diagnostic capabilities. These instruments have reduced our turnaround time, allowing us to provide same-day diagnostic results for clinicians and veterinary clinics. Unlike many one-off or unverified kits commonly used in research, these instruments deliver reliable and verifiable results, crucial for academic, government, and industry research applications. Additionally, they have provided valuable guidance in pathology findings for necropsy cases, such as investigating… Read More “Erika Lovett, MLS (ASCP) | Quality Manager/Clinical Pathology | Utah Veterinary Diagnostic Lab”

Erika Lovett, MLS (ASCP) | Quality Manager/Clinical Pathology

The respons®910VET and EXIAS have revolutionized the chemistry operations at our state government lab, helping to further protect the health of animals within our jurisdiction. Their compact design optimizes space and efficiency, allowing us to expand testing capabilities while maintaining shorter turnaround times. With DiaSys Diagnostic Systems’ equipment, we are confident in the accuracy and quality of our results, supported by robust QA/QC mechanisms and exceptional customer care from Ruby. I am grateful for the transformative impact your products and… Read More “Gloria W. | Biological Scientist”

Gloria W. | Biological Scientist

I chose the respons910VET and EXIAS e|1 for my facility to have advanced medical, diagnostic, and imaging capabilities. My decision to purchase these technologies was based on previous positive experiences at UTHSC in Memphis. These instruments are essential for providing advanced diagnostic care to pig patients and supporting researchers studying mice and rats as models. Your equipment allows us to obtain extensive blood chemistry panels, including electrolytes, from low volume samples, which is invaluable to our operations. This capability is also… Read More “Randal Buddington, PhD | Professor of Research, Executive Director | LSUHS Stonewall Research Facility”

Randal Buddington, PhD | Professor of Research, Executive Director

We use the respons910VET to gauge feed ratios throughout each life stage of our cattle, allowing us to make any necessary dietary changes. This enables us to detect and address metabolic abnormalities quickly, ensuring the well-being of our herd. As a result, we have the healthiest cattle, from birth through maturation and pregnancy, ultimately producing industry-leading milk profiles for Daisy… Read More “Bobby Londagin, MSc, MPH | Senior Lab Tech | AgLab Resource”

Bobby Londagin, MSc, MPH | Senior Lab Tech
AgLab Resource

The respons910VET’s open programming capability has been instrumental for our laboratory. Thanks to this feature, we were able to optimize the total adiponectin immunoturbidimetric assay, making us the sole provider of this testing nationwide for large animal clinicians. Additionally, the machine’s ability to run assays from the extensive DiaSys menu has allowed us to offer a wide range of tests without the need for send-out results, greatly benefiting our clinicians. We rely on the respons910VET daily for its ease of… Read More “Jeaneen K. | Lab Manager & Caroline G. | Research Specialist | van Eps Laminitis & Endocrinology Lab | UPenn School of Veterinary Medicine”

Jeaneen K. | Lab Manager & Caroline G. | Research Specialist

Meet Our Team

Leadership @ DiaSys USA

Dr. Markus Rick, DVM, PhD

Chief Executive Officer
Dr. Markus Rick, DVM, PhD, serves as the CEO of DiaSys USA. With a German Doctor of Veterinary Medicine degree and a PhD from Michigan State University, Dr. Rick brings a wealth of academic and practical expertise to the helm.

With over two decades of dedicated service in the veterinary diagnostics field, Dr. Rick's journey includes serving as the Chief Technology Officer at DiaSys USA and as an Assistant Professor at Michigan State University's College of Veterinary Medicine.

Dr. Rick is highly skilled in tailoring clinical chemistry assays to meet the unique veterinary diagnostic needs of DiaSys USA's broad, international client base. He provides visionary leadership, and strategic planning, and fosters a culture of innovation within the company. His expertise ensures the continued success and growth of DiaSys USA.

Outside of his professional endeavors, Dr. Rick finds joy in exploring the world through travel and indulging his passion for automotive engineering.

Frank Pickard

Senior Director of Business Development
Frank Pickard serves as the Senior Director of Business Development at DiaSys Diagnostic Systems, USA. With a degree in Business Administration from the University of Memphis and 40 years of experience in medical capital equipment sales, Frank brings extensive expertise and strategic vision to his role.

Frank excels in market analysis and strategy development, identifying opportunities and trends to expand market presence. He is adept at building strategic partnerships and alliances, driving sales initiatives, and managing key client relationships to ensure high levels of customer satisfaction.

A seasoned leader, Frank has a proven track record in hiring, training, and managing top-producing sales teams. He collaborates closely with marketing and product development teams to enhance brand visibility and inform product innovation. His commitment to excellence and continuous improvement has been instrumental in driving revenue growth and ensuring the success of DiaSys USA's business development efforts.

Dr. Murray Rosenthal, PhD

Director of Quality and Regulatory Affairs

Dr. Murray Rosenthal, PhD, is the Director of Quality and Regulatory Affairs at DiaSys USA. He holds a BA from Case Western Reserve University and both an MS and PhD from the University of Akron. With over 48 years of experience in the in vitro diagnostic (IVD) and medical device industry, Dr. Rosenthal brings unparalleled expertise and a distinguished track record to his role.

Dr. Rosenthal has spearheaded numerous FDA 510(k) registrations for new medical devices, including the pioneering the first de novo FDA registration of an IVD product. His career includes significant roles including Director of Assay Development, Senior Clinical Chemist, Director of Reagent Sciences, and Senior Engineer II. He is also the co-inventor of the first commercial Hemoglobin A1c test and the developer of the first commercial direct LDL cholesterol assay.

Highly skilled in FDA compliance, quality and regulatory approvals, technology transfer, reagent chemistry, and newborn screening, Dr. Rosenthal's contributions have been instrumental in advancing diagnostic technologies and ensuring regulatory adherence.

Read More

Beyond his professional accomplishments, Dr. Rosenthal is committed to environmental stewardship. He currently serves as President of the Board of Directors for both the Ann Arbor/Washtenaw 2030 District and Solar Faithful, non-profits dedicated to promoting sustainable practices.

Timothy Deem

Manager of Finance & Business Administration

Timothy Deem serves as the Manager of Finance & Business Administration at DiaSys USA. With over a decade of experience in business management and a history of overseeing more than 50 employees in his previous role, Tim brings a wealth of expertise to his position.

At DiaSys USA, Tim oversees all financial operations, including budgeting, forecasting, and financial reporting. He ensures accurate financial records, monitors budget performance, and identifies cost-saving opportunities. His strategic decision-making supports the company’s financial planning and growth.

Tim also manages administrative functions such as office management, procurement, and vendor relations. He leads and mentors the finance and administration team, fostering continuous improvement.

During his leisure time, Tim enjoys spending quality time with his son.

Ruby Paredes, MT

Manager of Technical & Customer Support

Ruby Paredes, MT, is the Manager of Technical & Customer Support at DiaSys USA. With a Bachelor's degree in Biomedical Laboratory Diagnostics from Michigan State University and over 15 years of experience as a Medical Technologist, Ruby brings extensive expertise to her role.

Ruby has held prominent positions in one of the largest veterinary laboratories in the country and co-founded a successful in-home veterinary service. At DiaSys USA, she oversees technical support, ensuring prompt resolution of customer inquiries and issues. She manages the creation of technical documentation, leads a team of support representatives, and coordinates service calls and maintenance.

Outside of work, Ruby enjoys spending time with her husband, Silvino, and their two daughters, Elianah and Gianna.

Kevin Jadzinski

Manager of Supply Chain

Kevin Jadzinski, Manager of Supply Chain at DiaSys USA, brings over 40 years of experience in warehousing, logistics, and transportation. With expertise in Lean Management and a proven track record of meeting key performance indicators, Kevin optimizes DiaSys USA's supply chain.

In his role, Kevin oversees procurement, inventory management, logistics, and distribution, ensuring timely product delivery while minimizing costs. Passionate about continuous improvement, he implements lean principles to streamline processes and meet goals. Kevin effectively collaborates with internal teams and partners to enhance overall performance. Leveraging his wealth of experience and dedication, he has proven to be a valuable asset to the DiaSys USA team.

Outside of work, Kevin enjoys riding his Harley and exploring South Florida.

We're Hiring!

We are actively seeking talented individuals to become part of our vibrant and innovative team at DiaSys USA in Wixom, MI.

Explore our career opportunities and apply online today!


Available Careers