Since 2011, we've grown from a Finnish startup to a global OT security leader with 90+ team members serving customers in 150+ countries across six continents. We build technology that just works—simple, secure, and ready to deploy anywhere.
SHAPING THE FUTURE OF OT SECURITY
Tosi is your fastest way to connect, protect, and control your OT network and physical infrastructure from any location.
Built on a simple idea: securing and managing critical infrastructure should be easy, affordable, and fast.
Founded in Finland in 2011 and launched globally in 2011, Tosi now secures OT networks across 150+ countries with unmatched speed and simplicity.
Our Team
Executive Team
Board
Sakari Suhonen
Chief Executive Officer (CEO)
Sakari Suhonen
Chief Executive Officer (CEO)
Jussi Posti
Chief Financial Officer (CFO)
Jussi Posti
Chief Financial Officer (CFO)
Teemu Turpeinen
Chief Technology Officer (CTO)
Teemu Turpeinen
Chief Technology Officer (CTO)
Johannes Niemi
Chief Revenue Officer (CRO)
Johannes Niemi
Chief Revenue Officer (CRO)
Margaret Herndon
Chief Marketing Officer (CMO)
Margaret Herndon
Chief Marketing Officer (CMO)
Janita Koskiluoma
Chief Human Resources Officer (CHRO)
Janita Koskiluoma
Chief Human Resources Officer (CHRO)
Milla Kuosmanen
Chief Services Officer (CSO)
Milla Kuosmanen
Chief Services Officer (CSO)
Jeff Friedman
Vice President, Americas
Artturi Tarjanne
Board Chairman
Kaija Sellman
Member of the Board
Patrick McBride
Member of the Board
Marko Kauppi
Member of the Board
Ilkka Hiidenheimo
Member of the Board
Mikko Siivola
Member of the Board
GLOBAL PRESENCE
Tosi is the global pioneer in providing solutions to connect, protect and control OT networks. Since 2011, we have deployed solutions across 150+ countries, managing hundreds of thousands of endpoint devices and physical infrastructure while securing the associated data. Our proven platform serves global industry leaders from remote installations to urban facilities, delivering enterprise-grade OT cybersecurity that's simple to deploy anywhere in the world.
UNITED STATES
FINLAND
GERMANY
Sweden
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