Management Team

Mike Judy

Mike Judy joined Refocus Group in 2013 as the Chief Executive Officer, bringing with him 30 years of experience in the ophthalmology industry. Prior to joining Refocus, he most recently served as Chief Commercial Officer for AcuFocus, leading the sales and marketing team as they introduced the KAMRA™ corneal inlay.

Mr. Judy’s previous experience also includes his role as the Vice President of Global Surgical Marketing for Bausch and Lomb, where he was responsible for the cataract and refractive businesses. He joined B&L through the acquisition of Eyeonics, manufacturer of the Crystalens®. At Eyeonics, Mr. Judy led the sales and marketing team that captured the number one market share position in the premium IOL market. He has also served on various industry boards throughout his career.

Mr. Judy has a BA from Princeton University.

Linda Stewart
Vice President of Regulatory and Quality

Linda Stewart joined Refocus Group in September 2011 and currently serves as Vice President of Regulatory Affairs and Quality. She possesses over 35 years of experience in the medical device industry working with ophthalmic, orthopedic, and radiology devices. With experience in both startup and multinational organizations, Linda has brought a variety of novel and innovative products to market through effective monitoring and implementation of global regulations and guidance. She has worked seamlessly with other stakeholders to ensure the highest level of compliance while meeting global applicable quality and regulatory requirements. Linda has worked with all classification types of medical devices and has successfully managed numerous government and regulatory body interactions, applications, and inspections.

Prior to joining Refocus Group, Linda was the Director of Regulatory and Quality for the Health Imaging Division of Eastman Kodak for 15 years and led in a similar capacity at OsteoMed Corporation.

Ms. Stewart holds a Bachelor of Science in Management with Honors from the University of Phoenix and an Associate in Applied Science in Digital Electronics from St Philips College.

David Ozinga
Vice President of Manufacturing Operations


David Ozinga joined Refocus Group as Vice President of Manufacturing Operations in 2008, after nearly 20 years of medical device manufacturing and engineering experience. With roots in managing the development and manufacturing of medical devices across various health care companies, he is an accomplished industry leader.

Prior to Refocus, he was Vice President of Operations with Galt Medical, overseeing all aspects of guidewire, vascular introducer, and specialty custom kit production. From 1997 to 2004, Mr. Ozinga was Vice President of Manufacturing Operations for Imagyn Medical Technologies, where he managed the manufacturing of laparoscopic instrumentation and radioactive brachytherapy sources. He was also responsible for all supply chain management activities, developing domestic and international contract manufacturing sources for multiple products. Prior to Imagyn Medical Technologies, Mr. Ozinga worked for 10 years at B. Braun Medical in the development and manufacture of intravenous infusion systems, including the automation of numerous processes for disposable set production.

Mr. Ozinga has the CPM designation from the Institute of Supply Management, and a BS in Mechanical Engineering from Virginia Tech.

Selene A. Burke, OD
Vice President of Clinical Affairs


Dr. Selene Burke joined Refocus Group in 2006 and currently serves as Vice President of Clinical Affairs. She is a glaucoma-certified optometrist with extensive clinical experience in multispecialty practices. Since joining Refocus Group, Dr. Burke has managed the organization, training, and execution of all domestic and international clinical trials. She works alongside optometrists and ophthalmologists from around the world in implementing the VisAbility™ Procedure into their practices.

Dr. Burke began her optometric career at Vision Wellness and Laser Center in Richardson, Texas, where she provided comprehensive pre- and postoperative patient care to refractive and cataract patients while playing a significant role in establishing the practice’s first on-site laser center. During Dr. Burke’s tenure, she was also an authority on specialty contact lenses with special interests in the treatment and management of patients with irregular corneas and ocular disease. In 2004, Dr. Burke joined Vision Quest Eye Care and Surgery Center in Dallas, Texas, where she provided pre- and postoperative care to refractive, cataract, glaucoma, and retinal surgery patients. She also developed and implemented clinical protocols for ophthalmic examination, medical assisting, and insurance coding, while providing direct supervision, instruction, and training to the ophthalmic staff.

Dr. Burke received her OD from Southern College of Optometry in Memphis, Tennessee, has an MS in Zoology from Auburn University, and has a BS in Biology from Rust College.