About Charles Immendorf
Charles Immendorf is CEO and director at Spectrum Effect.
Charles Immendorf first appears on SEC filings in 2020.
Experience
This experience comes from Charles Immendorf's profile and from SEC filings. For roles taken from filings, the years are when the filings name Charles Immendorf in the role, so the role may have started earlier or lasted longer.
Spectrum Effect, Inc. Current
Co-Founder and CEO (2018 – Present)
Director
2018 – Present · Bellevue, WA
Software that helps mobile operators identify and reduce wireless network interference.
NO
Nokia
Head of Self Organizing Networks (SON)
2015 – 2018
EC
Eden Rock Communications
Co-Founder and CEO
2007 – 2015
ST
SR Telecom
SVP Innovation
2004 – 2007
NC
Netro Corporation
VP Software Engineering
2002 – 2004
AW
AT&T Wireless
Software Engineering Director
1995 – 2002
MO
Motorola
Senior Software Engineer
1991 – 1995
Key Colleagues at Startups
The people Charles Immendorf works with at each company, as listed on that company's latest Form D.
Spectrum Effect, Inc. · Form D, Aug 21, 2026
JL
Joseph Landy
Director
GS
Gary Sledge
Director
Debby Toye
Chief Financial Officer
SJ
Scot Jarvis
Chairman
WT
William Targett
Secretary/VP/General Counsel
MD
Mary Dougherty
Treasurer
Shaun McCarthy
President & CRO
BB
Bruce Brda
Director