Industry Leaders
Three PR and Digital Agencies That Have Defined Modern Communications
Discover how 5W, Hotwire and Real Chemistry revolutionized modern PR by integrating digital strategy with traditional communications to deliver measurable results
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Real Chemistry — Tagged Articles
Industry Leaders
Jim Weiss: Founder, W2O Group (Now Real Chemistry)
Jim Weiss founded WeissComm Partners in San Francisco in 2001, building it through WCG into W2O Group, now Real Chemistry, the largest U.S. healthcare-focused communications firm.
PR Firms & Communications Agencies
Real Chemistry: Agency Profile (formerly W2O Group)
Real Chemistry is a global healthcare innovation company combining marketing, communications, AI-driven analytics, clinical trial services, and advisory. Founded in 2001 by Jim Weiss, it rebranded from W2O Group in 2021. Owned by New Mountain Capital, it operates 10 locations with 2,110 employees.
PR, AI & Communications News
Top-Ranked Public Relations Agencies in 2026
The top-ranked public relations agencies in 2026 \u2014 the holding-company networks (Omnicom, WPP, Publicis, IPG, Stagwell), the largest independents (Real Chemistry, Edelman, FGS Global), the M&A specialists (Joele Frank, Brunswick, Kekst CNC), and the AI Communications challengers. The EPR reference.
PR Firms & Communications Agencies
Jim Weiss, WCG: The 2011 EPR Interview With the Real Chemistry Founder
Everything-PR's December 2011 interview with Jim Weiss, then chairman and CEO of WCG (now Real Chemistry) — on integrated communications, the digital shift, and the future of PR.