Jonathan Rosenberg (SIP author)

Jonathan Rosenberg (born 1972 or 1973)[1] is a technologist noted for his work in IP communications. Network World has referred to him as "a pioneer [in] the development of the SIP protocol",[2] and he was included in the 2002 TR35 list of the world's top under-35 innovators, as published by MIT Technology Review.[1]

Jonathan Rosenberg
Born1972 or 1973 (age 49–51)
Alma materMIT, Columbia University
OccupationCTO & Head of AI
EmployerFive9
Notable workRFC 2543, RFC 3261, RFC 3264, RFC 5245
Websitejdrosen.net

As of January 2019, Rosenberg is the chief technology officer and Head of A.I. at Five9,[3] a cloud contact center provider. Prior to this, he was vice president and chief technology officer for Collaboration at Cisco, having previously worked as Skype's chief technology strategist.[4][5][6]

Rosenberg is a longtime member of the IETF, where he has served in several leadership positions over his career. As of August 2017, he remains the 8th most prolific author of internet standards.[7]

Career

Rosenberg has worked in the VOIP field for over 20 years to date. He began working at Lucent Technologies in March 1993 as a Member of the Technical Staff. There, he led a small SIP research lab, acted as a team lead for DSP work, and conducted research in areas of wide area service discovery. It was during his time at Lucent that he received his PhD from Columbia University. In October 1999, Rosenberg left Lucent to serve as the chief technology officer of dynamicsoft. At dynamicsoft, Rosenberg conceived of, drove requirements for, designed, and lead software development for industry's first SIP application server. He also acted as architect and first product manager for dynamicsoft presence engine, conceived of, helped developed requirements for, and designed SIP firewall control proxy and co-developed the architecture for the dynamicsoft network application engine. When dynamicsoft was acquired by Cisco, Rosenberg followed the company. At Cisco, Rosenberg earned the rank of Cisco Fellow, the company's most senior technical position. He drove Cisco's Intercompany Media Engine (IME) product from concept through ship and set technology strategy for Cisco's service provider voice business. In 2009, Rosenberg left Cisco to serve as Chief Technology Strategist at Skype.[8] At Skype, He pioneered the Facebook video calling integration, along with many other developments.[8] In 2013, Rosenberg left Skype to return to his alma mater Cisco Systems, taking the position of CTO and Vice President of Cloud Collaboration. Shortly thereafter, he was promoted to CTO and Vice President of Collaboration.[8]

In September 2018, Rosenberg reported that he is leaving Cisco.[9] In January 2019, he followed his former Cisco Systems boss Rowan Trollope to Five9, joining the company as CTO and Head of A.I.[3]

Personal life

Jonathan Rosenberg lives in Freehold Township, New Jersey with his wife and two children.

See also

References
  1. "Innovators Under 35". MIT Technology Review. 2002. Retrieved April 1, 2015.
  2. Duffy, Jim (March 12, 2013). "SIP pioneer Rosenberg returns to Cisco". Network World. Retrieved April 2, 2015.
  3. "Five9 Grows C Suite with the Addition of Jonathan Rosenberg as CTO" (Press release). January 2, 2019.
  4. Lunden, Ingrid (March 4, 2013). "Brain Drain At Skype? Tech Leader Jonathan Rosenberg Latest To Leave, Now At Cisco As CTO, Cloud Collaboration". TechCrunch. AOL. Retrieved April 1, 2015.
  5. Rosenberg, Jonathan (February 3, 2014). "About Me". jdrosen.net. Retrieved April 1, 2015.
  6. "Jonathan Rosenberg". Cisco Blogs. Cisco. Retrieved April 2, 2015.
  7. "Distribution of Authors According to How Many Documents They Have". www.arkko.com. Retrieved August 24, 2017.
  8. "Brain Drain At Skype? Tech Leader Jonathan Rosenberg Latest To Leave, Now At Cisco As CTO, Cloud Collaboration". March 4, 2013.
  9. "'Yes, I'm Leaving': Cisco Systems Collaboration CTO To Depart". www.crn.com. September 18, 2018. Retrieved September 21, 2018.

Further reading


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