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Sisusemi

Turku, FI · Founded 2024 · 2 known investors

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SisuSemi provides an atomic-level purification process (ALP) that cleans and orders semiconductor wafer surfaces to remove atomic-scale contaminants and defects, targeting advanced nodes at 3 nm and below. The technology, aimed at semiconductor manufacturers, reduces defect density and leakage current to improve chip performance and manufacturing yield, and integrates into existing production lines.

Founders & leadership

Sisusemi was founded in 2024 by Pasi Pietilä.

PPPasi Pietilä
Pasi PietiläFounder · Chief Operating OfficerPasi Pietilä has spent over 20 years working in semiconductors, photonics, and deep-tech businesses in roles spanning engineering, operations, product development, and organizational leadership. He is the founder of SisuSemi and author of "Clarity Over Control," a book on organizational strategy and execution.

Investors · 2

Founder mafia

2 people who came through Sisusemi went on to found or lead other companies.

Frequently asked questions

What does Sisusemi do?
SisuSemi provides an atomic-level purification process (ALP) that cleans and orders semiconductor wafer surfaces to remove atomic-scale contaminants and defects, targeting advanced nodes at 3 nm and below. The technology, aimed at semiconductor manufacturers, reduces defect density and leakage current to improve chip performance and manufacturing yield, and integrates into existing production lines.
Who founded Sisusemi?
Sisusemi was founded by Pasi Pietilä in 2024.
Who are Sisusemi's investors?
Sisusemi's investors include Butterfly Ventures, Nordic Science Investments.
Where is Sisusemi headquartered?
Sisusemi is headquartered in Turku, FI.