Croak, Marian
1955- · Contribution: 1990s-2000s
Engineer and inventor
Voice over IP (VoIP) technology development

Portraits are AI-generated interpretations, not photographs.
Quick facts
- Born
- 1955, New York City
- Active since
- 1982
- Category
- Technology & Engineering
- Best known for
- Pioneering Voice over IP (VoIP) technology
Impact on the world
Croak's engineering underlies the way much of the world now talks, works, and meets online, from internet phone calls to video conferencing.
Sources
- National Inventors Hall of Fame
1 more sources and references are available to members.
Related visionaries
Russell, Jesse E.
1948-
Digital cellular base station technology
Dean, Mark
1957-
ISA bus development; co-creation of IBM personal computer
Holley, Kerrie (Expanded profile)
1954-
IBM Service-Oriented Architecture (SOA) reference architecture
Adkins, Rodney
1958-
IBM's first African American corporate officer and Senior Vice President (2007); an engineering and development leader who helped launch the IBM ThinkPad and led IBM's Systems & Technology Group; inducted into the National Academy of Engineering (2005)