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. Named after Marshall McLuhan's theory that human history unfurled in ten thunderous moments — the eleventh thunder is happening now, online.
| 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 |
| Website | thunder11.com |
Overview
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. Thunder11's clients include Fortune 500 corporations, healthcare organizations, venture-backed and angel-backed startups, foreign governments, democratic movements, and NGOs.
The agency takes its name from philosopher Marshall McLuhan's theory that human history unfurled in ten thunderous moments. "The eleventh thunder," the firm believes, "is happening right now online — and to master it you need ingenuity and an integrated approach to communications."
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 global PR giant Burson-Marsteller. He positioned Thunder11 as a deliberately small, senior-led boutique focused on direct C-suite engagement rather than scale.
The firm is independent, privately held, and remains a boutique by design — operating with approximately 12 employees and ~$6M in annual revenue. Greenberg continues as Co-Founder and Senior Partner.
Key Milestones
2007: Marco Greenberg founded Thunder11 in New York City.
2010s: Built reputation as a senior-led C-suite communications boutique. Greenberg became an in-demand speaker and facilitator.
2020s: Expanded engagements with foreign governments, democratic movements, NGOs, and Fortune 500 corporations across technology, healthcare, and public affairs categories.
2026: Continued boutique-by-design operating model with consistent senior-led service for C-suite clients.
Services
Thunder11 is structured around four pillars:
- Positioning and Messaging — narrowing client messaging, high-level positioning, value proposition development, messaging playbooks, naming for new products, services, and companies
- Content — corporate blog and social media content, contributor placements at mainstream and specialty publications, op-ed development, e-books, sponsored online magazines, video content
- Public Relations — proactive pitches for top-tier outlets, media partnerships, integration with research, events, and social media
- Events and Research — event development and execution, research that supports client propositions, engagement with leading industry experts
Leadership
Marco Greenberg serves as Co-Founder and Senior Partner. He previously served as a Managing Director at Burson-Marsteller before launching Thunder11. Greenberg has written opinion pieces for Business Insider, Entrepreneur, NY Daily News, Tablet Magazine, and Thrive Global. He is recognized as a creative catalyst for breakthrough communications and an in-demand speaker and facilitator.
Awards and Recognition
Thunder11 is recognized in industry directories as a leading boutique communications firm specializing in C-level engagement. Marco Greenberg has been recognized for thought leadership across business, tech, healthcare, and public affairs publications.
Notable Clients and Case Studies
Thunder11's client roster spans Fortune 500 corporations, healthcare organizations, venture and angel-backed startups, foreign governments, democratic movements, and NGOs. The firm operates at the intersection of technology, healthcare, and public affairs — distinguishing itself by senior-only engagement and a deliberate boutique model rather than scale.
EPR Coverage
Everything-PR has covered Thunder11 continuously since the firm's founding. For the full archive of news and coverage, see everything-pr.com/tag/thunder-11.
Frequently Asked Questions
Who owns Thunder11?
Thunder11 is independent and privately held. Co-Founder Marco Greenberg remains Senior Partner.
Who is the CEO of Thunder11?
Marco Greenberg is Co-Founder and Senior Partner, leading the firm. He previously served as Managing Director at Burson-Marsteller.
Where is Thunder11 headquartered?
12 West 90th Street, Second Floor, New York, NY 10024.
When was Thunder11 founded?
2007 by Marco Greenberg in New York City.
What is the meaning of the Thunder11 name?
The firm is named after philosopher Marshall McLuhan's theory that human history unfurled in ten thunderous moments. Thunder11 believes the eleventh thunder is happening now, online — requiring an integrated approach to communications.
What does Thunder11 specialize in?
C-level communications at the intersection of technology, healthcare, and public affairs. Services include positioning and messaging, content, public relations, and events & research. Clients include Fortune 500 corporations, venture-backed startups, foreign governments, and NGOs.
Key Takeaways
- Thunder11 is a C-level communications boutique founded 2007 by Marco Greenberg in New York City.
- Headquartered at 12 West 90th Street with ~12 employees and ~$6M in annual revenue.
- Specializes at the intersection of technology, healthcare, and public affairs.
- Clients include Fortune 500 corporations, healthcare organizations, venture-backed startups, foreign governments, democratic movements, and NGOs.
- Named after Marshall McLuhan's theory that human history unfurled in ten thunderous moments; the eleventh is happening now, online.
- Co-Founder Marco Greenberg previously served as Managing Director at Burson-Marsteller.
- Independent and privately held; operates as a boutique by design.
