Expert Ophthalmic Team

With an expert team with more than 150 years combined clinical experience, iuvo shares your vision to develop new modalities and therapeutics for the treatment or management of ocular conditions.


CHARLES SLONIM, MD - Chief Medical Officer

Dr. Charles B. Slonim most recently served as an Adjunct Professor of Ophthalmology and Affiliate Professor of Surgery, Division of Plastic Surgery at the University of South Florida College of Medicine in Tampa and Associate Clinical Professor of Ophthalmology at the University of Florida College of Medicine in Gainesville, Florida.

Dr. Slonim teaches physicians about oculoplastic diseases, diagnoses, and surgeries, as well as contact lens technology. He has lectured extensively to ophthalmologists, optometrists and other physicians throughout the United States, and in more than 55 international cities in more than 34 countries around the world. He served as a Consultant at the Olympic Vision Center in the Olympic Village during the 1992 Summer Olympics in Barcelona. He has been a world-renowned Consultant for a number of major contact lens and ophthalmic pharmaceutical companies. He served as a Member for Scientific Advisory Board of Sirion Therapeutics, Inc. and Sirion Holdings Inc. He is the team Ophthalmologist for many Tampa Bay area professional and intercollegiate sports teams, including the Tampa Bay Lightning of the National Hockey League and the University of South Florida intercollegiate sports programs. He has published one book, Eye Was There: A Patient Guide to Coping with the Loss of an Eye, more than 36 scientific journal articles, 20 ophthalmic book chapters, and 11 clinical symposia.

Dr. Slonim is a graduate of Johns Hopkins University and New York Medical College and completed Internship in Ophthalmology from Mt. Sinai Medical Center in Cleveland and Residency in Ophthalmology from Mt. Sinai Medical Center in Cleveland.



MARY RICHARDSON, PhD, DABT - Chief Scientific Officer, Executive Vice President

As Chief Scientific Officer at iuvo BioScience, Mary, one of the company's co-founders, heads up the Research and Development team. Most recently Mary served as Executive Director of Preclinical Development at Bausch & Lomb, continuing in that role when Valeant Pharmaceuticals purchased the company. Previously, she was Director of Nonclinical Safety.

Her extensive background includes in-depth research and development experience covering the full range of the preclinical product life cycle including discovery, product development, and post-market support in areas including life cycle management, geo-expansion and manufacturing. Her knowledge of global regulations and standards for registration of pharmaceutical and medical device products is exhaustive.

Her technical leadership and expertise in drug development of small molecules, peptides, and medical devices has resulted in regulatory approval and success of numerous NDAs, INDs, IMPDs, and 510(k) submissions. She’s an in-demand speaker with many published articles in scientific journals.

Mary earned her PhD from the University of Rochester School of Medicine and Dentistry and is a highly experienced board-certified toxicologist (Diplomate of American Board of Toxicology – DABT) with broad-based technical skills in pharmaceuticals, OTC, medical devices, drug metabolism, toxicology, pharmacokinetics, and pharmacology.

BEN BURTON - President and CEO

Prior to co-founding iuvo BioScience and taking on the roles of President and CEO, Ben was Vice President of Quality for the Pharmaceutical, Solutions and External Manufacturing organizations of Valeant Pharmaceuticals. Prior to the acquisition of Bausch + Lomb by Valeant, Ben served as Global VP of Quality for the Pharmaceutical Business Unit, and was a member of the B+L Global Leadership Team.

Earlier in his career, he held the position of Director, Quality and Technical Services for Norwich Pharmaceuticals (a contract manufacturing and development organization), responsible for driving new business development and revenue and leading the technical services organization (project managers, engineers, formulators, method developers, etc.) in delivering customer projects, as well as heading up the site quality organization. Ben began his career with Procter & Gamble Pharmaceuticals as a Process Engineer, moving up to roles of increasing responsibility in Product Development, OTC Engineering (Cayey, PR) and Global Clinical Supplies.

Ben holds a BS from Carnegie Mellon University with a double major in Chemical Engineering and Biomedical Engineering, and a dual MS/MAT in Chemistry and Education from Binghamton University.

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KATHLEEN KRENZER, OD, PhD, DABT – Research Fellow - Toxicology

Dr. Kathleen Krenzer is a board-certified toxicologist (DABT) serving as a Research Fellow in toxicology, with a focus on ophthalmic product development.  Prior to joining iuvo BioScience, Kathleen was a Senior Principal Scientist at Bausch + Lomb in the non-clinical safety group.

Kathleen’s expertise in nonclinical product development includes stems from her previous experiences as a Study Director at a contract research laboratory, overseeing both pharmaceutical and medical device testing, and as a principal/senior principal scientist at Bausch + Lomb where she covered both pharmaceutical and medical device developed programs, including 510(k), PMA, IND, and NDA submissions, geoexpansion activities, as well as nonclinical support for marketed products.

As a clinician-scientist, Kathleen brings a wealth of expertise in the area of ophthalmic product development, always maintaining focus on the ultimate beneficiary, the patient.  Her background in ophthalmic development includes early discovery with testing in efficacy models through clinical evaluations, having served as part of clinical investigative teams for numerous ophthalmic products.

Kathleen received her BS in Biology from the University of Notre Dame.  She earned her Doctor of Optometry degree (OD) from the New England College of Optometry, where she continues to serve as an adjunct professor, teaching in the College’s international programs.  She earned her PhD from Boston University School of Medicine in Pathology, focusing on ocular pathology and dry eye disease, and continued her post-doctoral training at the Schepens Eye Research Institute of Harvard University.


DREY COLEMAN - General Manager

Drey Coleman has been responsible for the management of Oculos Clinical Research since May 2012, prior to which she provided operational guidance and support to the Oculos clinical project teams. She has more than 30 years of diverse experience in the areas of regulatory compliance, corporate governance, intellectual property rights, strategic planning, risk assessment and mitigation, due diligence, client/vendor management, and global business development. She has extensive knowledge of the laws, regulations, and standards affecting the pharmaceutical industry. Drey also has significant experience in process design and execution.

Drey has a Bachelor’s degree in Allied Legal Services from the University of Central Florida.


ROSELYN JUDD - Director of Clinical Operations

Roselyn Judd has over 30 years of experience in ophthalmology and 25 years of experience in clinical research. She has been responsible for managing clinical trials for CROs, Pharmaceutical companies and academic institutions. Prior to joining Oculos, Roz was a Global Clinical Site Developer for Alcon, Clinical Trials Manager at Vanderbilt University and the Director of Clinical Operations at Sirion Therapeutics. In her current position, Roz is responsible for the overall study and resource management for Oculos.

Roz has her Bachelor of Science degree in Human Resource Development from Oakland University in Rochester, Michigan.