About Kostas Mallios
Kostas Mallios is a director of Drowsy Digital, Inc., which makes Ozlo wireless earbuds designed to be worn during sleep.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Kostas Mallios in the role, so the role may have started earlier or lasted longer.
Drowsy Digital, Inc. Current
Director
2026 – Present · Marlborough, MA
Ozlo makes small wireless earbuds designed to be worn during sleep, aiming to help people rest better.
Key Colleagues at Startups
The people Kostas Mallios works with at each company, as listed on that company's latest Form D.
Drowsy Digital, Inc. · Form D, Oct 29, 2026
CT
Charles Taylor
Executive officer
NP
Naganagouda Patil
Chief Executive Officer and director
HK
Henry Klingenstein
Director
SA
Sahirzeeshan Ali
Director