This SpaceX alumni-founded startup raised $10 million in 36 hours

AndrenaM cofounders Matej Cernosek (left) and Alex Chu (right)

AndrenaM

• An investor was so eager to fund maritime tech startup AndrenaM that he piloted a plane to their office.
• The startup makes software for analyzing sonar data to help spot targets underwater.
• It will use the $10 million seed funding to build hardware and hire more employees.

Underwater microphones — called hydrophones — spot enemy submarines and have been around for nearly a century. With AndrenaM...