Marian R. Croak

Google LLC
Mathematical and Physical Sciences
Computer Sciences

Marian Croak is Vice President in the engineering group at Google. In this role, Croak is responsible for expanding what the Internet is capable of doing around the world and increasing access to the Internet in the developing world.

Croak is a prolific inventor in the voice and data communication fields, with over 200 patents to her name. She is best known for developing Voice Over Internet Protocols (VoIP), technology that converts your voice into a digital signal, allowing you to make a call directly from a computer or other digital device.  

Before Google, Croak served in various positions in voice and data communication for over three decades at AT&T Bell Laboratories. She predicted the rise of the Internet and developed technologies to transform it, including her work to establish the fundamentals of VoIP, develop voice and text messaging on cellular phones, and invent the technology that allows people to send text-based donations to charity. Before leaving AT&T in 2014, Croak held the title of Senior Vice President of Applications and Services Infrastructure. In this position, she supervised over 2,000 computer scientists and engineers and managed over 500 programs.

Croak received her undergraduate degree from Princeton University and her doctorate in social psychology and quantitative analysis from the University of Southern California.

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