Executive Management

Nicholas Curtis
Nicholas Curtis
Chief Executive Officer
Nicholas T. Curtis has served as our Chief Executive Officer and as a member of our board of directors since February 2012. Prior to this, Mr. Curtis served as our chief commercial officer from August 2010 until February 2012. Before joining us, Mr. Curtis was the vice president of sales and chief commercial officer of WaveTec Vision Systems, Inc., a privately held ophthalmic medical device company. Mr. Curtis served as a senior vice president of sales and marketing at STAAR Surgical Company, a publicly held company specializing in the manufacturing and marketing of ophthalmic surgery devices, from August 2002 until August 2008. Mr. Curtis has a B.S. from Northwestern University.
Alan B. Connaughton
Alan Connaughton
Chief Operating Officer
Alan B. Connaughton has served as our chief operating officer since April 2015. Prior to this, Mr. Connaughton was our vice president of operations from January 2008 until April 2015. Mr. Connaughton has over 20 years of experience working with medical device companies. Mr. Connaughton received a B.S. from University College Galway, an M.S. from Queens University College and an M.B.A. from Rollins College.
Michael A. Rossi
Michael A. Rossi
Interim Chief Financial Officer

Michael A. Rossi has served as our Interim Chief Financial Officer since May 2026. Mr. Rossi previously served as Chief Financial Officer of Access Vascular, Inc., an early commercial stage medical device company, from March 2025 to July 2025 after having served as a consulting CFO for Access Vascular from April 2024 to February 2025. He served as Chief Financial Officer of ConcertAI LLC, a data, software and AI company serving life sciences and healthcare, from February 2023 to September 2023. Prior to these roles, Mr. Rossi served as Chief Financial Officer of Harvard Bioscience, Inc. (Nasdaq: HBIO), a life science tools company, from July 2019 to December 2022, and as Chief Financial Officer of various other companies within the healthcare industry. Mr. Rossi brings significant experience with turnarounds and driving financial and operational improvements within complex middle market healthcare businesses. He also has over twenty years of public company and private equity finance and accounting experience as well as experience driving strategic acquisitions and managing debt and liquidity during both periods of growth and business downturns. Earlier in his career, Mr. Rossi held finance roles of increasing responsibility at various public companies, and he began his professional career as an accountant at PricewaterhouseCoopers. Mr. Rossi earned a B.S. in accounting from Babson College and an MBA from Babson College’s Olin School of Management.