Dr. Charles Posternack

Chief Executive Officer

Dr. Charles Posternack leads our global organization, with responsibility for overall strategic direction, partnerships, and product vision.

After a long, rewarding career as a practicing physician and senior healthcare executive, Dr. Posternack followed his heart to co-found Avulux. His daughters both suffer from light sensitivity and migraine, and he set out to find an option that would help them. Today, those same women are two of the many Avulux success stories from around the world.

Dr. Posternack has been in the healthcare sector for more than 30 years, with leadership positions in both the not-for-profit and for-profit sectors. Dr. Posternack received his medical degree at McGill University in Montreal, Canada, and did his specialty training there as well. He has lived in the United States since 1992 and has held senior roles at the Cleveland Clinic and HCA Healthcare, as well as overseeing a large multi-state U.S. healthcare system. He was also an Associate Dean for Academic Affairs at the Schmidt College of Medicine at Florida Atlantic University.

David Efraim

Co-Founder, Chief Operating Officer and Chief Financial Officer

David Efraim runs our operations and is responsible for overall product development. With a passion for healthcare and business, David co-founded Avulux with the goal of delivering an effective light management tool to people pained by light. He was instrumental in bringing the game-changing Avulux glasses to market, working closely with doctors and engineers.

David is a CPA and has experience in implementing systems and business processes, public accounting, and holds Bachelor’s and Master’s degrees in accounting from the University of Florida.

Kyle Shields

Senior Vice President, Sales and Strategic Growth

As our senior B2B sales executive, Kyle Shields establishes and oversees strategic relationships with the lab partners who distribute Avulux lenses. He works closely with these key organizations to ensure their teams have the information, training, and documentation they need to support their sales channels and customers.

Kyle’s background includes progressively senior roles through which he developed the highly effective and efficient sales processes in use at Avulux today. Kyle holds a Bachelor of Arts degree from Merrimack College.

Andrea Posternack

Vice President, Sales

A key member of our founding team, Andrea Posternack heads up our global eye care provider (ECP) sales organization. In this role, she is responsible for development of the tools and processes ECPs need to successfully integrate Avulux into their practices. As someone who experiences migraine and light sensitivity herself, Andrea’s goal is to support ECPs so their patients with migraine have access to a medical device that can help them live a better life.

Andrea received her Bachelor of Science in marketing with a focus in professional sales from Florida State University college of business, graduating Magna Cum Laude.

Derek Johnson

National Sales Manager

As National Sales Manager, Derek Johnson is instrumental in building and maintaining our strong relationships with eye care providers across the country and expanding our network of Avulux Authorized Providers. He also supports them with training and development so they are better positioned to offer Avulux lenses to their patients.

Derek plays a key role in establishing and executing on our sales strategy as we continue to grow. He has a proven track record in the optical industry, with nearly a decade of sales experience. He was Director of Strategic Accounts and Executive Territory Manager at Neurolens, and prior to that he held progressively senior roles at IDOC, an optometric membership services organization committed to the growth of independent optometrists.

Richard J. Scholz, RPh., Esq.

Chief Legal Officer

Richard Scholz serves as Avulux chief legal officer, with responsibility for corporate governance, contracting, government affairs, and coordinating outside counsel.

Richard began his career as a practicing pharmacist and chain drug store executive prior to founding a national pharmacy benefit management company (PBM). After successfully growing the business and sale of the PBM to a Fortune 200 company, Richard founded a health economics consulting firm prior to becoming managing partner of Jacobs Scholz & Wyler, LLC, a boutique law firm on Amelia Island, Florida. Richard’s legal practice focuses on health care companies, government relations, and complex litigation related to health care. He received his pharmacy degree from The Ohio State University and his law degree from Florida Coastal School of Law, and is a member of the Florida Bar, a registered pharmacist in Ohio, member of The Academy of Managed Care Pharmacy, National Community Pharmacy Association, and Robert M Foster Inns of Court.