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Transforming kidney science

Simple, elegant solution

Roivios™ is a medical device company pioneering a novel renal assist device designed to reduce or eliminate acute kidney injury (AKI) in patients who are at elevated risk.

Initially focused on meeting an unmet need of cardiac surgery associated-acute kidney injury (CSA-AKI) in the coronary artery bypass and surgical valve population, our pioneering renal assist device has the potential to address a range of poor outcomes.

Our first product, the JuxtaFlow® Renal Assist Device, is the world’s first negative pressure renal assist device, and features a catheter with unique energy delivery.

Caution – Investigational Device, Limited by United States Law to Investigational Use Only. Not available for sale in the United States.

Company Profile

Untapped market opportunity

Total addressable market
$ 55 B

Strong customer demand

customer validation interviews

Compelling financial return

of sales until breakeven
1 yrs

Pioneering intellectual property

patents issued
55 +

Experienced veteran team

years start-up experience
> 45

Leadership Team

JE headshot

John Erbey, PhD

Chief Executive Officer

John is the founder and CEO of Roivios. He has spent the past 25 years bringing innovative therapeutics and medical devices to the market.

Prior to founding Roivios, John held roles of increasing responsibility across the pharmaceutical and medical device industries.

He holds a PhD in epidemiology from the University of Pittsburgh’s Graduate School of Public Health. His dissertation on the cardiovascular risk associated with insulin resistance in adults with type 1 diabetes earned him induction into Delta Omega, the National Honor Society for Public Health.  He has published 17 peer reviewed articles and delivered dozens of conference presentations and invited lectures.

Bryan Tucker, PhD

Sr. Vice President,
Applied Science

Bryan is the Senior Vice President of Applied Science at 3ive Labs. He brings over 30 years of experience in the medical device and pharmaceutical industries.

Prior to joining 3ive, Bryan held roles of increasing responsibility across R&D, clinical, and regulatory affairs across large cap device and startup companies. Bryan created and was head of clinical research at Aurora Health Care, a major health care organization in Wisconsin.  He has a 15-0 record with the FDA on successful submissions.  In addition, he has been a CEO, COO and held two Board seats.  Prior to industry, he was on the faculty of the University of California at San Diego, in the Division of Nephrology and Hypertension. His research was focused on renal pathophysiology and volume homeostasis.

He holds a PhD in Biomedical Sciences, an MS in Bioengineering and a BS in Biology. He has published over 55 peer reviewed papers, three book chapters, more than 75 abstracts and served as a principal investigator on research grants from NIH, NASA, and pharmaceutical companies.

Malcolm St. John

Chief Financial Officer

Malcolm is the Chief Financial Officer at Roivios.  He brings over 20 years of experience in the financial services industry.

Prior to joining Roivios, Malcolm served as CFO of System73 and held various senior leadership roles with highly regulated fund administrators, including Apex Fund Services and Mainstream Fund Services. He started his career at HSBC Bank where his role evolved within various departments in the bank. 

Malcolm is an ACCA qualified accountant and CPA warrant holder.

Jacob Upperco

Sr. Director, Research & Development

Jacob is the Senior Director of R&D at 3ive Labs. He brings 10 years of experience with medical device design and development.

Prior to joining 3ive, he conceptualized, built and tested medical devices for use by physicians and scientists across various clinical research applications, including biomechanical diagnostics, medical image processing and interventional cardiology.

He holds an MBID from the Georgia Institute of Technology and a BS in biomedical engineering from Tulane University. He has co-authored dozens of issued patents and several peer reviewed articles.



Vice President, Clinical Affairs

Alencia Washington serves as the vice president of clinical affairs at Roivios, where she brings her extensive background in biomedical engineering and cardiovascular disease research to the forefront.

Starting her career as a biomedical engineer, Alencia quickly ascended the ranks of the medical field. She held senior research positions at both Kimberly-Clark Corporation and Avanos
Medical, where she helped drive advancements in their respective fields. Her work caught the attention of Wellstar Health System, where she served as assistant vice president of research administration, overseeing research activities across its vast network of hospitals and ambulatory centers.

Alencia completed her doctoral studies at the University of Alabama at Birmingham, specializing in the immune response in cardiovascular diseases. She then went on to complete a clinical pharmacology and experimental therapeutics fellowship under Dr. Nancy J. Brown at Vanderbilt University.

Learn about BIPASS-AKI

Find info about our clinical study

See how JuxtaFlow works

Discover our solution

Learn about CSA-AKI

Understand the condition