Executive Management

Dr. Vithalbhai D. Dhaduk – Interim CEO


Dr. Dhaduk has more than 30 years’ professional experience as neurologist who has served as Head of Neurology at Professional Neurological Associates for 20 years and Assistant Professor of Neurology at Commonwealth Medical College. Dr. Dhaduk currently serves as President and Chairman at Professional Neurological Associates (since 1987), Chairman of Dap Dhaduk 1 to 8 (since 1998), Chairman of Caritas International Trading Inc. (since 2011), President and Chairman of Caritas Real Estate Group (since 2011), President and Chairman of Core Hospitality LLC (since 2011), President and Chairman of Star Real Estate LC (since 2012), President and Chairman of Coracias Advanced Technology LLC (since 2016), as a Director on the Board of Directors at FNCB Bancorp, Inc. (NASDAQ: FNCB, since 2017), Board of Directors for The Wright Center (since 2017), and President and Chairman of CorePharma, LLC (since 2018). Previously, Dr. Dhaduk had served as Chairman of Global Pharma Analytics (2012 – 2019), as President and Chairman of Somahlution, LLC (2012 – 2019), President and Chairman of Apicore LLC (2005 – 2016), President and Chairman of R&D Future Aire Tech (2011 – 2013), President and Chairman of Neuron Biotech (2007 – 2013, and President and Chairman of Synerx Pharmaceutical (2007 – 2013). Dr. Dhaduk is a managing trustee of charitable trust and past President and Chairman of Saurashtra Patel Cultural Samaj.


Dr. Dhaduk received a Bachelor of Medicine and Bachelor of Surgery in 1980 from M.P. Shah Medical College in Jamngar, India. Dr. Dhaduk has a Pennsylvania and New Jersey medical license (both since 1985), PGY-1 waiver on basis of excellence in post-graduation from the Board of Psychiatry and Neurology (1984), FLEX (Federal Licensing Examination (1984) and ECFMG Certification (1981). Dr. Dhaduk has received the following awards: David Dunn Memorial Award for Outstanding Teaching and Study of Neurology, Medical College of Pennsylvania (1986 – 1987) and Honors in Medicine, M.P. Shah Medical College, India (1980). Dr. Dhaduk has memberships in Fellow of the American Academy of Neurology, Pennsylvania Medical Society, Lackawanna County Medical Society, American Medical Association, MS Society, Parkinson’s Support Group, National Headache Foundation, Alzheimer’s Support Group and Who’s Who Registry.


Dr. Dhaduk has published in the Journal of Neurology, Neurosurgery, and Psychiatry the following: Partial Ataxic Hemiparesis (1988) and Polyneuritis Cranialis in Lyme Disease (1987). He has presented at the following: CT Scan, EEG, and Brain Mapping in Acute Stroke at American Academy of Neurology (April 1987) and Magnetic Resonance Imaging of Intracranial Vascular Malformations at American Society of Neuroimaging (February 1986).

Steven Brooks, MD, MBA, FACC – Chief Medical Officer


Dr. Brooks was appointed as Executive VP of Medical and Regulatory Affairs, Chief Medical Officer on December 1, 2020. Dr. Brooks is currently the principal of Brooks Medtech, LLC, a medical technology consulting firm. Dr. Brooks has more than 20 years in medicine and industry supporting the commercialization of medical innovation, including medical devices, mHealth, drugs, biologics and combination products. Dr. Brooks’ interests include evidence development, clinical trial design and execution, regulatory and reimbursement strategy and healthcare market strategy.


Previously Dr. Brooks was an Interventional Cardiologist at University of Maryland Medical Center and private practice, and then a Medical Officer at the United States Food and Drug Administration (FDA) for six years in Center for Devices and Radiological Health (CDRH) in the Division of Cardiovascular Devices.


Dr. Brooks has held positions with the life science consulting firms NDA Partners, Popper & Company, and Sage Growth Partners. He is CMO for Global Interconnect and is the Senior VP of Medical Sciences and Regulatory Affairs for Vita Therapeutics. He previously held the positions of CMO for CardioCube, LLC and VP of Regulatory Affairs and Health Economics for Ablative Solutions.


Dr. Brooks achieved his M.D. degree at the University of Pittsburgh School of Medicine, and Residency, Cardiology and Interventional Cardiology Fellowships at University of Pittsburgh Medical Center. He received his MBA from the Johns Hopkins Carey School of Business in the Business of Medicine Program, and a B.A. at Duke University.

Amy Chandler – Executive Vice President, Regulatory & Quality Affairs


Ms. Chandler has more than 25 years of experience in the medical device, pharmaceutical and combination product industries, supporting CNS, cardiovascular, endovascular, consumer and wound care product development and manufacturing. She began her career at Johnson & Johnson where she held multiple positions of increasing levels of responsibilities within the Quality Assurance organization (QAU, QA, QC, QE, SQA). She has expertise in the development of Quality Assurance and Regulatory Affairs organizations and systems throughout all stages of a product life cycle. In addition, she has created both US and international strategies and submissions to secure key regulatory approvals and ensure quality and compliance. Ms. Chandler holds a B.S. degree in Chemistry, a M.S. degree in Textile Technology, and is RAC (Global) certified.

Roger Schaller – Executive Vice President, Commercial Operations


Roger Schaller is the Executive Vice President of Commercial Operations for Marizyme. Mr. Schaller has 30+ years of life science industry experience in commercial operations, business development and new product development for large and entrepreneurial companies. His experience has been with medical, life sciences, electronics and biotech products with global responsibilities and executive leadership. Most recently, Roger Schaller was Vice President of Business Development at Promex Industries, a Silicon Valley company specializing in biotech and medical device microelectronics serving the diagnostic, medical device and genomic industries. Prior to joining Promex, he served as Chief Operating Officer for Integrated Nano-Technologies, producing DNA point of care testing systems and, before that, as COO and Vice President of Business Development for U.S. operations for Coyote Biosciences, developing Life Science and Diagnostic products. He previously held a succession of executive posts with biotech and medical diagnostic firms including Affymetrix/Thermo Fisher, RainDance Technologies and as Senior Director of Marketing, Sales and Business Development at Cepheid, he was instrumental in establishing the initial Sales and Marketing Team and market entry that led to the success of Cepheid, which is now a Danaher company. Mr. Schaller holds B.S. degrees in Medical Technology and Biology from Illinois State University with a minor in Chemistry.

Donald Very, Jr., Ph.D. – Executive Vice President, Research and Development


Dr. Very has more than 30 years of device, diagnostic and, pharmaceutical compound/assay development and performance qualification experience in such diverse clinical areas as oncology, infectious disease, cardiovascular and  metabolic disease. Dr. Very has extensive experience in all phases of pharmaceutical and diagnostic assay research and device development, performance validation, clinical trial design and implementation, and regulatory approval.


In addition to his duties at Marizyme, Dr. Very is currently an Adjunct Professor of Biotechnology at Duquesne University in Pittsburgh, PA. Previously, Dr. Very served as Senior Vice President of Mosaigen, a global science & technology development corporation; and President, CEO, and Founder of Naviter Bioanalytics, LLC, a private consulting firm specializing in technological due diligence, bioanalytical method development, performance qualification, and regulatory approval. Additionally, Dr. Very previously served as Senior Vice President, Scientific Strategy, Technology and Research at Helomics Corporation where he was responsible for the identification, evaluation, and implementation of new technologies, assay platforms, and tests to augment the company’s clinical laboratory, comprehensive tumor profiling platform, and contract research offerings. Prior to Helomics, he was Vice President of Research and Assay Development for Ancera, Inc., where he successfully led efforts to develop quantitative cell, nucleic acid, and protein assays for the company’s proprietary, magnetic fluid-based, diagnostic platform; and Vice President of Immunology and Assay Development for the Institute for Bioanalytics, LLC (IBA), where he was responsible for the overall scientific, operational, and research activities of the Institute. At IBA, he successfully built a profitable contract research business. Under his leadership, IBA completed more than 200 cell, nucleic acid or antibody-based assay development and performance qualification projects in support of the research programs of clients in the pharmaceutical, diagnostic, and biotechnology industries. Dr. Very also served as a Senior Research Scientist for the Diagnostics Division of Bayer Corporation, where he was responsible for the design and execution of clinical trials, performance validation studies for the AFP, CA 125 II, and CA 15-3 tumor marker assays for the Bayer Immuno 1™ Immunoanalyzer, and the preparation and submission of 510(k) applications to the FDA for these assays. These activities culminated in the FDA’s approval of all these assays for use in the U.S. Dr. Very began his career as a researcher and supervisor of the BL-2 and BL-3 laboratories affiliated with the U.S. Army Medical Research Unit in the Republic of Korea. Managing a staff of six scientists, his team conducted clinical and diagnostic research on hantaviral and rickettsial diseases endogenous to the Korean peninsula.


Dr. Very is a frequent speaker at national and international scientific symposia discussing topics ranging from advances in personalized medicine in oncology, the clinical utility of serum biomarkers in the diagnosis and management of disease, the development and performance qualification of multiplexed immunoassays, and the future of the in vitro diagnostic industry. He received his B.S. degree in Biology from the University of Notre Dame, a M.S. degree in Biology from the University of Texas at San Antonio, and a Ph.D. in Microbiology/Immunology from Boston University.

Catherine J. Pachuk, Ph.D. – Executive Vice President, Chief Scientific Officer


Dr. Pachuk has more than 25 years of research and development leadership experience in the pharmaceutical and biotech sectors with expertise in both drug, device and vaccine development with significant experience in nucleic acid based therapeutic platforms including ASO, RNAi and nucleic acid-based vaccines. Her key areas of therapeutic focus are viral diseases including Hepatitis B, Hepatitis C, metabolic disease, HCC and indications associated with Ischemia Reperfusion Injury. She was involved in advancing multiple product candidates into the clinic and market including several first-in-man compounds. She received her Ph.D. in molecular virology from the University of Pennsylvania where she studied the molecular biology of coronaviruses. She also has a dual Regulatory Affairs Certificate from RAPS (Regulatory Affairs Professional Society) in medical devices and pharmaceuticals.


Following a post-doctoral fellowship at SmithKline Beecham, she joined Apollon, Inc. to develop programs in oligonucleotide-based therapeutics, and subsequently DNA-based vaccines for both viral and oncology indications. Following the acquisition of Apollon, Inc. by Wyeth-Ayerst Research in 1998 she continued to direct several vaccine programs, which resulted in several plasmid-based vaccine products being advanced into clinical trials. During this time, Dr. Pachuk worked with FDA’S CBER division in the drafting of a “Points to Consider” document regarding considerations for administration of plasmid DNA compounds in humans. In 2001, she co-founded Nucleonics, a biotech focused on the development of RNAi-based therapeutics, one of which was advanced into clinical studies in Chronic Hepatitis B patients. Until April 2008, she was VP of Preclinical Research. Dr. Pachuk then went on to lead biology and preclinical development efforts for Pfizer’s oligonucleotide therapeutic programs (ASO and siRNA) in the areas of oncology and metabolic disease and was a member of the Executive Leadership Team. Dr. Pachuk also has significant experience in nucleic-acid delivery and has led nucleic acid-delivery and formulation development programs for ASO, plasmid-based therapeutics, and siRNA at Apollon/Wyeth Vaccines, Nucleonics and Pfizer. Dr. Pachuk also was responsible for obtaining more than $1.8 million in government and private grants.


Dr. Pachuk is currently a Scientific Advisory Board member for Ocugen, Inc. where she advises on the development of a COVID-19 vaccine and is currently an invited expert curator for the American Society of Microbiology’s COVID-19 research registry. She is also an adjunct faculty member at both Florida Atlantic University and Baruch Blumberg Institute.