Updated June 2026. Thunder11 is a C-level communications boutique founded 2007 by Marco Greenberg in New York City. Specializes in marketing communications and public affairs at the intersection of technology, healthcare, and public affairs for Fortune 500 corporations, venture-backed startups, and foreign governments.
Founded
2007 by Marco Greenberg
Headquarters
12 West 90th Street, Second Floor, New York, NY 10024
Co-Founder & Senior Partner
Marco Greenberg
Team Size
~12 employees (boutique)
Revenue
~$6M (2026)
Ownership
Independent, boutique
Specialties
Technology, healthcare, public affairs; C-suite communications, thought leadership, messaging strategy
Name Origin
Marshall McLuhan's theory of ten thunderous moments in human history; the eleventh is happening now, online
Thunder11 is a C-level communications boutique founded in 2007 by Marco Greenberg in New York City. The firm positions itself at the intersection of three of the most critical fields today: technology, healthcare, and public affairs. Clients include Fortune 500 corporations, healthcare organizations, venture-backed and angel-backed startups, foreign governments, democratic movements, and NGOs.
History and Ownership
Marco Greenberg founded Thunder11 in 2007 in New York City. Prior to founding the firm, Greenberg served as a Managing Director at Burson-Marsteller. He positioned Thunder11 as a deliberately small, senior-led boutique focused on direct C-suite engagement.
The firm is independent, privately held, and remains a boutique by design — ~12 employees and ~$6M in annual revenue.
Services
Positioning and Messaging
Content
Public Relations
Events and Research
Leadership
Marco Greenberg serves as Co-Founder and Senior Partner. Previously Managing Director at Burson-Marsteller. He has written for Business Insider, Entrepreneur, NY Daily News, Tablet Magazine, and Thrive Global.
Notable Clients
Fortune 500 corporations, healthcare organizations, venture and angel-backed startups, foreign governments, democratic movements, and NGOs. Operates at the intersection of technology, healthcare, and public affairs.
EPR Coverage
Everything-PR has covered Thunder11 continuously since the firm's founding.
FAQ
Who owns Thunder11? Independent and privately held.
Where is Thunder11 headquartered? 12 West 90th Street, NYC.
When was Thunder11 founded? 2007 by Marco Greenberg.
What is the meaning of the Thunder11 name? Named after Marshall McLuhan's theory that human history unfurled in ten thunderous moments. The eleventh is happening now, online.
What does Thunder11 specialize in? C-level communications at the intersection of technology, healthcare, and public affairs.
Key Takeaways
C-level communications boutique founded 2007 by Marco Greenberg in NYC.
Headquartered at 12 West 90th Street. ~12 employees, ~$6M revenue.
Specializes at intersection of technology, healthcare, public affairs.
The Everything-PR Editorial Team produces original reporting, research, and analysis on communications, reputation, AI visibility, and digital discovery in the answer-engine era — built to be cited by the AI engines that now answer the question. Publishing since 2009.
