About Mariusz Gralewski
Mariusz Gralewski is a director at Preply.
Form D filings also name Mariusz Gralewski as a director at Aviceda Therapeutics.
Mariusz Gralewski first appears on SEC filings in 2017.
Experience
This experience comes from SEC filings. The years are when the filings name Mariusz Gralewski in the role, so the role may have started earlier or lasted longer.
Key Colleagues at Startups
The people Mariusz Gralewski works with at each company, as listed on that company's latest Form D.
Preply, Inc. · Form D, Jan 20, 2026
AM
Allen Mask
Director
DV
Dmytro Voloshyn
Director
CW
Charlie Wickers
Chief Financial Officer
LN
Lars Fjeldsoe-Nielsen
Director
DB
Dmytro Boroday
Director
KB
Kyrylo Bigay
Executive officer and director
Aviceda Therapeutics, Inc. · Form D, Mar 28, 2022
DV
Dmytro Voloshyn
Director
RD
Ross Darwin
Director
RK
Robert Kniaz
Director
KB
Kyrylo Bigay
President and director