Looking for a great place to apply your talents?
Are you an inventor with a fantastic idea that hasn't seen the light of day?
Konan Medical USA
people | vision | inspiration | innovation | dedication
Join us and make a difference as part of the solution.
Global Experience
Forward Thinking
Problem Solvers
Customer Focus
Leading with Experience

Charles Wm. Stewart, OD | CEO | Director
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Twenty-five + years of global ophthalmic products | 35 + years of ophthalmic industry management experience
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Global clinical and complex ophthalmic surgical device experience applied to clinical performance assessment, market enhancement, medical advisory boards, global KOL relationships
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Specialized experience in ophthalmic diagnostic and surgical products, business development, global sales infrastructure, product marketing and distribution, and global regulatory environments including FDA and ISO-13485 / MDSAP
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C-level, senior management, director and leadership experience in USA and International, public and private sectors
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Doctor of Optometry

Dale Sadlik, BSc, MBA | COO
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Twenty-five + years in the medical device industry
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Medical device experience:
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New product development
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Regulatory affairs
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Quality assurance
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Operations
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Strategy
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Management Experience in public and private companies
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C-level experience managing operations, clinical trials programs, and regulatory / quality systems including FDA and ISO-13485 / MDSAP
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MBA – University of California, Irvine

Gina Schumann, CPA | CFO
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Twenty + years of professional Accounting experience
- public accounting and auditing with a “big 4” firm
- FDA regulated environments
- EU and international trade
- investment services
- financial forecasting
- C-level finance experience in multiple global product companies
- Professional experience in public and private companies
- BS Accounting – Cal State Polytechnic University – Pomona
- Certified Public Accountant

Robert Rennaker II, PhD | CTO
- Twenty + years in biomedical device research and development
- Published over 100 peer-reviewed scientific publications
- Raised over $40M in federal funds for medical device research
- Developed class 3 implantable pulse generator
- Founder Vulintus Inc.
- Professor of Biomedical Engineering and Neuroscience
- BSE, MSE, Ph.D. – Arizona State University
- Five years active duty in United States Marine Corps

Susan Setsuko Oak | Sr. VP Clinical Affairs | Director
- Assistant Professor – Department of Ophthalmology, Boston University School of Medicine
- Research Assistant – MEEI, Department of Ophthalmology, Harvard Medical School
- President – BioOptics Inc (contact specular microscopes image analysis systems)
- Founder & CEO – DataMed Devices Inc. (contact specular microscopes image analysis systems
- Board Member – Konan Medical USA, Inc. and Konan Medical Inc. (Japan)

Simon Gordon | Senior VP Corporate Development
- Thirty-five + years marketing medical devices
- Twenty-five + years in medical devices management
- Global experience in sales, marketing
- Global experience in distribution development
- Experienced in product development
- Early investor in Autonomous Technologies with a significant role in developing the business through to very successful trade buy out
- Led IPO in London raising over 11M pounds sterling

Ian McMillan | VP North American Sales & Marketing
- Twenty-five + years global experience in sales, marketing and product development
- Senior sales management experience in ophthalmic products and proven abilities in complex diagnostic devices
- Specialty experience with ERP systems
- Experience in bringing multiple new products to market
- Management experience in both private and public companies & start-ups
- Extensive experience in e-commerce, SaaS, online distribution of entitlements and mission-critical enterprise software

Todd Isakson | VP Customer Services
- Thirty + years of customer service, training and product development in multiple industries (medical devices, customized software solutions, hospitality, travel)
- Fifteen + years experience in management of global network of sales and service centers
- Experience in Loyalty Program product development achieving global recognition of best Frequent Flyer Program
- Management experience in both public and private companies, including several start-ups