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Isabel Maxwell

Isabel Sylvia Margaret Maxwell is a French-born business executive and entrepreneur known for co-founding Magellan, an early internet search engine later acquired by Excite.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Isabel Sylvia Margaret Maxwell (born 16 August 1950) is a French-born business executive and entrepreneur known for co-founding Magellan, an early internet search engine later acquired by Excite. She has held leadership roles at Commtouch (later CYREN) and has been involved with nonprofit and social entrepreneurship initiatives in Israel. She is a daughter of media executive Robert Maxwell and the twin sister of Christine Maxwell.

Early life

Isabel Maxwell was born on 16 August 1950 in Maisons-Laffitte, France. Available biographical sources identify her as French-born and later active in British-American business and technology circles.

Business career

Maxwell is best known for co-founding Magellan, one of the early internet search engines. She later served as president of Commtouch, an Israeli internet company that became CYREN. She has been identified as a Technology Pioneer by the World Economic Forum.

Nonprofit and social entrepreneurship work

Maxwell has served as a director of the Israel Venture Network and helped build its Social Entrepreneur program in Israel from 2004 to 2010. Sources also describe broader philanthropic and advisory work.

Family background

Isabel Maxwell is the daughter of media executive Robert Maxwell. She is the twin sister of Christine Maxwell and also a sibling of Ghislaine Maxwell.

Key facts

  • Co-founded Magellan, an early search engine that was acquired by Excite.
  • Served as president of Commtouch, which later became CYREN.
  • Named a Technology Pioneer by the World Economic Forum.
  • Directed the Israel Venture Network and built its Social Entrepreneur program (2004–2010).
  • Daughter of Robert Maxwell and twin sister of Christine Maxwell.

Frequently asked questions

Who is Isabel Maxwell?
She is a French-born entrepreneur and technology executive best known for co-founding Magellan and for leadership roles at Commtouch/CYREN.
What is Isabel Maxwell known for?
Her best-known role is co-founding Magellan, an early search engine later acquired by Excite.
What companies has she worked for?
She was president of Commtouch and co-founded Magellan; some sources also describe later advisory and nonprofit work.
Is Isabel Maxwell related to Robert Maxwell?
Yes, she is described as the daughter of media mogul Robert Maxwell.
Is Isabel Maxwell connected to Ghislaine Maxwell?
Yes, sources identify Isabel as Ghislaine Maxwell's sister.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Isabel_Maxwell
    Supports: Birth date, French birth, Magellan co-founding, Commtouch presidency, World Economic Forum Technology Pioneer mention, Israel Venture Network role.
  2. Wikipedia (German)https://de.wikipedia.org/wiki/Isabel_Maxwell
    Supports: French-born British-American entrepreneur, Magellan co-founding, Commtouch presidency.
  3. Globeshttps://en.globes.co.il/en/article-878448
    Supports: Magellan founding, Excite acquisition, Commtouch presidency, advisory and business activities in Israel.
  4. Wiredhttps://www.wired.com/1999/02/maxwell/
    Supports: Family background, twin sister Christine Maxwell, former spouse information.
  5. About.mehttps://about.me/Isabelmax
    Supports: Oxford education, Technology Pioneer description, Commtouch role, Israel Venture Network role, social entrepreneurship program.