Slipstream is a new agency that taps a deep well of experience. After years following our own paths and passions, we’ve come together around a shared purpose: to shine a light on innovators making a positive and lasting impact on the world.

John Fox, PhD | Principal | Writing & Strategy

John is a Harvard-trained anthropologist, writer and author who spent nearly a decade leading content strategy for athenahealth, one of the fastest-growing healthcare companies in the US. With a team built from the ground up, he helped forge the company’s brand narrative as its growth exploded from $100 million to $1.7 billion. Among many projects, he launched and edited an online magazine and podcast, growing its audience and reach to fuel the company’s content marketing program. He helped build a national media platform for the CEO, spearheading a NYT best-selling book and co-authoring and placing articles in Harvard Business Review and other top-tier outlets. Learn more about John at

David McLain | Principal |Visuals & Production

David arrived at this point by a different path. An award-winning photographer and cinematographer, David has shot and co-produced a feature documentary, done brand work for Apple and Sony, and spent nearly a decade producing and shooting feature length assignments around the world for National Geographic Magazine. His cover story about human longevity sparked an interest in exploring the key to lifelong health and happiness. That led him to a multi-year healthy cities project for Blue Zones that captured Americans transforming themselves and their communities. And, most recently, he traveled the US with CaringBridge to answer the question, “How do people heal?” Learn more about David at

Christina Speed | Partner | Design & Art Direction

Christina Speed is a creative director and designer who led marketing and creative for Patagonia, a company that practically invented cause marketing. She art-directed the company's now-famous "Don't Buy This Jacket" campaign, which by discouraging consumerism and encouraging environmental stewardship generated massive PR coverage, contributing to a 30% spike in company revenue. At Patagonia, and a number of national non-profits, Christina has established the kind of authentic, honest identities and campaigns that customers and communities want to engage with. Learn more about Christina and her work at

George Blair Scribner |Partner | Brand Strategy

George Blair Scribner is a brand strategist whose career has spanned advertising, integrated marketing, digital design, book and newspaper publishing. He is a talented right-brain/left-brain thinker who is passionate about crafting brand ideas that solve business problems, enliven organizations, and connect authentically with people. Before his move into consulting, George led Brand Strategy at DigitasLBi in New York for 9 years. He and his team identified cultural trends, repositioned brands, launched new products, and inspired digital experiences. Before Digitas, George founded a brand consulting practice at DDB/NY, was head of customer insights and business development for the digital agency, Organic, and spearheaded a wide array of activities in newspaper and book publishing.  Clients included Accenture, Yale University, Middlebury, Lincoln Center for the Performing Arts, American Express, Delta, Avis, Bausch Health, Aetna, SunTrust Bank, and Innovation Norway. Learn more about George and his work at