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About us

Cosylab is the leading provider of cutting-edge expertise, software, and electronics for the world’s most advanced systems and devices, such as particle accelerators, large telescope arrays, fusion reactors, innovative medical devices and cancer therapy systems.

Our turnkey software solutions enable organizations to make scientific breakthroughs, deliver state-of-the-art cancer treatments, develop healthcare innovations, and bring clean fusion energy to the world.
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Cosylab in short

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years’ experience 
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highly skilled developers and engineers 
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PhD holders from STEM fields 
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locations worldwide 
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successful projects 
ISO
ISO 9001, 13485, 14971, IEC62304 
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annual growth rate over 15 years
Customer stories

We’re a reliable partner of renowned organisations

Discover how Cosylab's solutions helped scientific institutes, research and fusion energy organisations; medical device manufacturers and other organisations reduce risk, shorten time to market and optimise investment.
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Cosylab people

Our leadership team

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Dr. Mark Pleško
Chief Executive Officer

Dr. Mark Pleško

Chief Executive Officer

Dr. Mark Pleško, co-founder and CEO of Cosylab, is a world-renowned expert in nuclear accelerators and particle cancer therapy, a successful entrepreneur, and a respected leader and counselor in business and society at large. He is President of the Slovenian Academy of Engineers, the highest national organisation of engineers; the President of the Board of Governors of the Jožef Stefan Institute, the largest national research institution; and Vice-President of the Council for Science and Technology of the Republic of Slovenia. Mark is also an angel investor in startups and established companies. He earned his Ph.D. in nuclear and elementary particle physics and completed an Executive MBA. Mark has also received several national and international awards for his work in research and business.
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Evgenii Mailov
Chief Operating Officer

Evgenii Mailov

Chief Operating Officer

Evgenii Mailov, COO at Cosylab, is an experienced manager with a successful background in overseeing various aspects of technology companies' operations. Before joining Cosylab, he held key positions in the IT industry and contributed to the significant growth of companies where he worked. His knowledge extends to management systems, process optimization, internal documentation, back-office service models, IT infrastructure, legal affairs, risk management, project support and office development.
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Sebastjan Plavec
Chief Services Officer

Sebastjan Plavec

Chief Services Officer

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Blaž Hrastar
Chief Financial Officer

Blaž Hrastar

Chief Financial Officer

Blaž Hrastar, CFO at Cosylab, has played a significant role in the development of Cosylab’s key financial systems and controlling processes. His expertise includes financial planning, analysis, financial operations management and reporting. With his deep understanding of Cosylab’s financial needs developed during his 15+ years of tenure at the company, he has been instrumental in developing and implementing effective financial strategies.
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Igor Verstovšek
Chief AI Officer

Igor Verstovšek

Chief AI Officer

Management team

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Dejan Dežman
Services
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Matej Košmrlj
Products
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Gregor Humar
Sales
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Rok Šabjan
Deputy COO
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Rok Jugovic
Infrastructure
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Lučka Čokl Preis
Marketing
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Nenad Gregec
Legal
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Urška Golob
Head of People & Culture

Regional managers

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Dr. Takashi Yazawa
Cosylab Japan
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Matic Knap
Cosylab Switzerland
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Ye Jian
Cosylab China
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Tadej Kolmanič
Cosylab USA
History

Our history

Cosylab was founded in 2001 as a spin-off from Slovenia's largest research institute. Building on our expertise in control systems, we expanded our software solutions to global industrial markets, including fusion, oncology treatment, complex medical devices, space and astronomy. With the increasing number of projects, the company grew rapidly, obtaining ISO and other certifications and opening offices worldwide. Today, Cosylab is the leading provider of turnkey software solutions for the world's most complex, precise and advanced systems.

View our key milestones

2001

2002

2006

2008

2010

2011

2014

2016

2018

2019

2021

2022

  • Cosylab is officially established
  • Start of cooperation with ALMA
  • ISO 9001 quality assurance certificate obtained
  • Start of cooperation with ITER
  • Over 250 successfully completed projects
  • Cosylab enters the medical devices market
  • Achievement of ISO 13485 quality management standard for medical devices
  • Cosylab establishes subsidiary in Switzerland
  • Award for best employer (“Golden Thread”) in Slovenia
  • Cosylab establishes subsidiary in China
  • Cosylab co-founds project RAPTOR (Real-time Adaptive Particle Therapy of Cancer)
  • Cosylab begins development of its oncology software product suite
  • All major proton therapy vendors use Cosylab’s software
  • Cosylab is selected as a “Hidden Champion” by IEDC and CEEMAN
  • Cosylab launches OncologyOne, an all-in-one oncology software suite
  • Over 400 successfully completed projects
  • All Cosylab subsidiaries certified ISO 9001 and ISO 13485
  • Cosylab receives “Socially Responsible Employer” certification

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Locations
USA

California, USA

Cosylab USA, Inc.
325 Sharon Park Dr #615
94025 Menlo Park
California
USA

USA

California, USA

Cosylab USA, Inc.
325 Sharon Park Dr #615
94025 Menlo Park
California
USA

Switzerland

Brugg, Switzerland

Cosylab Switzerland GmbH
Technopark Aargau
Badenerstrasse 13
5200 Brugg
Switzerland

Headquarters

Ljubljana, Slovenia

Cosylab, d. d., Control System Laboratory
Gerbičeva ulica 64
SI-1000 Ljubljana
Slovenia
Registration Number: 2161621
Tax ID number: SI55936768

T:
+386 1 477 66 76
F:
+386 1 477 66 10
E (General Queries):
info@cosylab.com
E (Human Resources):
jobs@cosylab.com
China

Suzhou, China

Suzhou Cosylab Control Systems Co., Ltd
Rm A06, 2nd Floor, A1 North Building,
#218 St. XingHu, SIP
Suzhou
China

Japan

Tokyo, Japan

Cosylab Japan Inc.
7F, 8F & 9F Tokyodo
Nishikicho Building,
3-7-2 Kanda Nishikicho, Chiyoda-ku,
Tokyo, 101-0054
Japan

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