Marian Croak

Marian Croak is an American engineer and inventor. She was born in New York City in 1955. She helped develop Voice over Internet Protocol (VoIP) technology, which lets people make phone calls over the internet. She holds over 200 patents.

Early Life and Career

Croak was interested in science and problem-solving from a young age. She studied at Princeton University and earned a doctorate from the University of Southern California. She worked at AT&T Bell Labs for over 30 years, where she led research on internet communications.

VoIP and Beyond

Croak's work on VoIP technology changed how the world communicates. Apps like FaceTime, Zoom, and WhatsApp all use VoIP technology. She now works at Google as a vice president of engineering. She was inducted into the National Inventors Hall of Fame in 2022.

Fun Facts

• Marian Croak holds over 200 patents.
• She was inducted into the National Inventors Hall of Fame in 2022.
• She also helped develop the technology for text-to-donate systems used during disasters.

Did You Know?

Every time you make a video call on apps like FaceTime or Zoom, you are using technology that Marian Croak helped invent.