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Light Sensing.


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Our Belief

With our identity centered on our customers, we are deeply committed to ensuring their long-term success. Through collaborative partnerships, we streamline processes and minimize complexities, co-creating groundbreaking innovations that disrupt markets with our Dynamic PhotoDetector. Whether it’s enhancing operational efficiency, optimizing resource utilization, or revolutionizing product performance, ActLight offers tailored innovative solutions to meet the diverse needs of companies across industries.

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Pioneering the next wave of innovation in light sensor technology every single day

Dive into the future with our groundbreaking technology, the Dynamic PhotoDetector, available for licensing across a spectrum of applications

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experience cutting-edge innovation without breaking the bank, as we redefine the landscape of affordable, high-performance sensing.


Takes the lead with a high sensitivity point, finely tunes to detect even a single photon.


Eliminate complexities and unlock the full potential of your applications with a sensor that speaks the language of innovation.


Redefining simplicity in sensor technology for a brighter, smaller, compact, energy-efficient future

ActLight patented technology open doors to a realm of innovation for your business.

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Serguei Okhonin CEO

Serguei’s entry into the tech industry commenced with roles as a Research Associate at the Institute of Semiconductor Physics in Novosibirsk, Russia, and positions at IMO and LEG, EPFL.

In 2010, Serguei launched the ActLight project, focusing on developing innovative light sensors. As the co-founder and CEO of ActLight SA, he envisions the company’s future as a key player in impacting tech industries worldwide for a better future. Before founding ActLight, Serguei founded the company Innovative Silicon Inc. IP created, eventually acquired by a large US semiconductor player in 2010.

Maxim Gureev CTO

Maxim Gureev obtained his M. Sc. in Physics from Moscow Institute of Physics and Technology in 2003, followed by PhD degree from EPFL in 2012. Early in his carrier, from 2003 to 2007, Maxim served as a researcher at Andreyev Acoustics Institute in Moscow and as a Senior Production Manager for digital consumer devices at Rolsen Electronics. Between 2007 and 2012, he contributed as a research assistant at EPFL’s Ceramics Laboratory, with a primary focus on ferroelectric materials.
Since 2012,  Maxim has been a pivotal part of ActLight, spearheading technology development efforts.

Roberto Magnifico CCO

Roberto joined ActLight in 2017 as CCO. He has 30+ years of experience in the electronic components industry. He began his career at ST Microelectronics as a product engineer and evolved his career with progressive growing commercial responsibilities with Phillips Semiconductor (NXP) and, later, managing as Vice President the growth of the European business at Intersil. More recently, in the positions of Vice President Sales & Marketing, he helped Swiss industrial groups such as Cicor Technologies and Fischer Connectors to expand their business globally.