About AlphaLum
AlphaLum develops advanced optical solutions that push the frontiers of augmented and mixed reality. We design high-performance systems that deliver precision, efficiency, and seamless integration backed by decades of expertise in optics, electronics, software, and AI.
Our proven track record of bringing complex optical technologies to market enables us to help leading companies turn ideas into reliable, high-impact products - speeding time to market, reducing development risk, and freeing resources for continuous innovation.
Our mission: to design transformative optical systems that not only redefine how people see and sense the world but also empower their interactions and everyday tasks.






Our Capabilities
Our multidisciplinary team combines expertise across multiple domains to deliver comprehensive solutions.

Holographic Systems
Next-generation AR display solutions, offering immersive experiences with a very efficient and compact form factor.

Sensing
Innovative sensing technologies engineered for next-gen applications, delivering high accuracy and rapid response in low-power, cost-effective designs.

Electronics
Custom driving solutions and integration expertise that ensure optimum performance, reliability, and seamless interfacing with advanced optical components.

Software & Hardware Co-Design
Intelligent software solutions that boost hardware performance through tight co-design with analog sensor electronics. Our integrated approach streamlines complex functions while maximizing overall system efficiency.

Artificial Intelligence
Leveraging cutting-edge EdgeAI technology, our systems deliver real-time AI/ML performance on resource-constrained devices, providing low-cost, high-performance outcomes for next-generation applications.

Advanced Optics
Cutting-edge optical systems with exceptional performance and efficiency. Leveraging innovative design principles to deliver compact and cost-effective solutions.

Manufacturing
Proven expertise in scaling from prototype to high-performance production.

Metrology
Precise solutions for characterizing, calibrating, and validating advanced optical systems with high accuracy and repeatability.

Prototyping
Rapid and precise prototyping of optical systems, enabling fast iteration, performance validation, and smooth transition to scalable production.
Team
Leadership
Our founding team brings together decades of combined expertise with a proven track record of successful collaboration.

Markus Rossi
CEO
- 25+ years in micro-optics and photonics
- Co-founder & CTO/CIO, Heptagon (acquired by ams)
- Former VP & Head of Innovation Office, ams OSRAM
- Ph.D. in Micro-Optics (EPFL)

Eric Tremblay
CTO
- 14+ years in optical engineering and system architecture
- Technical Project Lead & Co-founder, Composyt Light Labs (acquired by Intel)
- Ph.D. in Electrical Engineering (UC San Diego)

Tim De Reyck
CFO
- Finance executive with 15+ years of leadership experience across high-tech and deep-tech sectors
- Co-founder & CFO of 7 Sensing Software, where the audio division was acquired by Analog Devices (ADI) and the computer vision business was later integrated into ams OSRAM
- Previously held senior finance roles in private equity-backed portfolio companies, NXP Semiconductors, and KPMG
- M.Sc. in Business Engineering (Maastricht University)

Tanja Koch
CBO
- 9+ years experience as start-up founder (AR space), venture capitalist & innovation strategist
- Deep expertise in design thinking and user-driven innovation
- Previously Senior Product Manager at ams OSRAM
- M.Sc. in Management (TMU)

Carlos Macias
Director of R&D
- 15+ years experience in research and engineering
- Led engineering projects for high-volume consumer and industrial optics at Magic Leap and ams OSRAM
- Track record of guiding products from R&D to mass production
- Ph.D. in Physics (Imperial College London)

Volker Zagolla
Director of Engineering
- 9+ years advancing AR display, combiner, and eye-tracking technologies
- Lead engineer specializing in system design for next-generation display and eye-tracking technologies at Intel, Magic Leap and ams OSRAM
- Proven track record in test-driven, data-centric development and metrology, with expertise in taking prototypes from PoC to full industrialization.
- Ph.D. in Optics & Photonics (EPFL)
Background
Our team brings together expertise from prestigious academic institutions and world-leading technology companies. Originally incubated within ams OSRAM's innovation office, we have since spun off as an independent startup dedicated to advancing breakthrough optical solutions.
Contact
Location
AlphaLum SA
EPFL Innovation park
Bâtiment J
1015 Lausanne, CH
Connect With Us
Legal Notice
Responsible Entity
AlphaLum SA
EPFL Innovation park
Bâtiment J
1015 Lausanne
Switzerland
Company Details
Commercial Register Number:
CH-550.1.248.892-6
VAT Identification Number:
CHE-482.900.372