Iridian’s management team has grown with the company since its inception, evolving from hands-on innovators to strategic leaders. Their deep-rooted experience and long-standing collaboration drive our commitment to precision, quality, and customer focus.
Now part of IDEX Corporation, our leadership is focused on scaling Iridian’s global impact—advancing optical filter technologies, expanding into new markets, and continuously improving how we serve our partners. United by shared values of trust, teamwork, and excellence, we’re building the future of photonics, together.

Nicholas Varty
Iridian Site Leader
Nick has a Physics background and extensive experience in manufacturing management. Since joining Iridian in 2000, he has progressed from Project Scientist to production management, playing a key role in recruiting, training, automation development, and instilling a Lean culture.
Nick leads a dynamic team focused on product development, process improvement, and capacity expansion. His collaborative approach fosters innovation and excellent customer solutions through strong partnerships.

Brian Sullivan, Ph.D.
Chief Technical Officer
Brian Sullivan was the founder of Iridian. Brian´s expertise in optical thin films and his contributions to advancing the state-of-the-art are well recognized by his international peers. He remains the driving force behind process improvement and new product development at Iridian.

Monica Coyne
Director of Business Systems (MSS)
Monica Coyne joined Iridian in 2000 as a systems developer with a focus on developing the company’s data management infrastructure. Monica became Manager of Corporate Services and Quality Assurance in 2008 and is responsible for the implementation of the ISO 9001:2015 quality management system and Iridian’s other quality initiatives. At present she is the Director Business Systems for MSS and is responsible for the development, deployment and integration of business systems.

Antonia Koerich
Finance Manager
Antonia Koerich joined the Iridian team in 2023 as a Finance Manager, bringing extensive expertise in financial analysis, reporting, strategic view, and controllership.