Sean McCafferty, MD FACS

President and CEO

Dr. McCafferty founded Conexus Lens and serves as the President and Chief Executive Officer. He possesses solid expertise in mechanical engineering, optical engineering, and ophthalmology coupled with demonstrated entrepreneurial skills. This depth of understanding in all three fields is critical to producing an opto-mechanical ocular lens implant. After completing his undergraduate degree in mechanical engineering, he worked as a product development engineer developing ideas, patents, and profitable products. He then attended the Ohio State University's Medical School and subsequently completed a residency in ophthalmology at the University of Arizona.

Following residency, Dr. McCafferty became a serial entrepreneur and business manager founding very successful enterprises such as Arizona Eye Consultants, Camp Lowell Surgery Center, Carondelet Foothills Surgery Center, and Conexus Lens, Inc. Simultaneously, he completed a Master of Science (MS) degree in optical engineering at the University of Arizona expressly to allow his ideas to become reality in the form of products for the ophthalmic industry. During his optical engineering education, Dr. McCafferty's ophthalmic opto-mechanics research was self-directed under the mentorship of Jim Schwiegerling, Ph.D. He authored several peer-reviewed articles and papers on the subject. Click here to see a listing of his publications. Additionally, Dr. McCafferty has produced 10 patents or published patent applications on ophthalmic opto-mechanics.

Nannon Roosa, PMP, CPA, CMPE

Chief Operating Officer

Nannon Roosa leads the operational function with Conexus Lens, Inc. She achieves organizational goals through successful execution of business strategies. Leveraging project management skills, she directs short-term and long-range strategic planning and budgeting processes. Ms. Roosa guides and participates in growth activities to support overall business objectives and plans.

Ms. Roosa's unique skill set results from her career that includes a wide range of consulting and entrepreneurial endeavors. Ms. Roosa has 25 years of experience providing client services and business development activities with PricewaterhouseCoopers, KPMG, and Clifton Gunderson. Her positions with these companies ranged from identifying client needs, driving new products to market, managing key client relationships, and client service. Most recently, Ms. Roosa was the University of Arizona's Director for MBA Experiential Learning, where she led the MBA Consulting Program. Under her tenure, Ms. Roosa executed 97 successful projects for clients in the technology and healthcare sectors.

Ms. Roosa is a Project Management Professional (PMP), Certified Public Accountant (CPA), Certified Financial Planner (CFP©), and a Certified Medical Practice Executive (CMPE) designation from the MGMA, or Medical Group Management Association. She earned a B.S. in Business Administration (Major – Accounting) from the University of Tennessee and a Masters in Tax from the University of Texas at San Antonio.

William Lomicka

Board Member

William Lomicka has more than four decades of healthcare financial management and venture capital experience. Over the years, he has served as a director or senior leader for several U.S. healthcare companies, including health insurance, hospital management, medical device companies, acute care hospitals, nursing and assisted living facilities, and healthcare technology firms. As Senior Vice President of Finance for Humana, Inc., Mr. Lomicka planned, developed, and implemented financial strategies and controls, which generated revenue growth from $145 million to $3 billion. Following Humana, he worked for a healthcare venture capital firm in New York City, where he developed and managed healthcare investments. Mr. Lomicka also served as Secretary of Economic Development for the Commonwealth of Kentucky, later forming a private investment firm in Louisville specializing in venture capital.

Mr. Lomicka currently serves as Chairman of Coulter Ridge Capital and presently serves on the boards of numerous companies, both public and private. He also serves on numerous service boards including the Board of Heuser Hearing Institute in Louisville and Chairs the Board of the Arizona Sonora Desert Museum in Tucson, Arizona.

He earned his MBA from the Wharton School at the University of Pennsylvania after completing his undergraduate degree from Wooster College.