Instead of vendors, they are true partners. Our business is complex and constantly evolving and Rule of 3 has translated technical messaging into simple, smart solutions.

Lisa Magnuson, Senior Vice-President, Global Marketing, Greensmith Energy


David Stolberg

Creative Director, Founder

David has over 20 years of experience as writer, creative director and socially aware marketer. Having penned award-
winning campaigns for Saturn and Ford cars, iShares, Apple, HP and DIRECTV, he now drives strategy as well as copy—finding a sharp strategic insight and crafting messaging to unleash sales.   (more…)

Tami Williams

Research/Planning Director

Tami brings over 15 years of marketing passion to her role at Rule of 3. She has led brand strategy development, conducted consumer segmentation studies, created B2B messaging platforms, consulted on service line and product marketing, hosted disruption and creative workshop days, and spearheaded digital marketing initiatives for leading national and international companies. (more…)

Bob Ellis

Strategy Partner

Bob is a creatively-driven marketer with an ear for a story. He has developed campaigns that have built communities of engaged, passionate loyalists in many product and service categories. The work he’s done with both client and agency teams have resulted in multiple awards for creativity and marketing effectiveness, including two television Emmy Awards. Read More

James Gassel

Managing Partner

James is a 25-year account veteran who still loves the opportunity to solve client business challenges. He is adept at building brands that scale quickly and drive traffic, as he did while helping to launch the Infiniti car brand and MSN. As senior vice president and group account director for Hal Riney & Partners, his 10-year tenure included launching and consolidating wireless   (more…)

Kirsten Merit

Account Manager

Kirsten has spent the last two decades immersed in consumer marketing and PR, with a knack for landing in the sweet spot between emerging industries and pop culture. Her career has included work for upscale travel, culinary and entertainment clients at agencies in Los Angeles and San Francisco, and in-house stints at videogame giants Sony PlayStation, Sega and Electronic Arts. (more…)

Shane Ginsberg

Strategy Partner

When the need for breakthrough thinking arises, Shane joins in with RO3 to unearth the strategic insights. He’s a digital-first thinker with experience across more than 100 digital marketing partnerships, leading client delivery for such brands as Nike, XBox and Visa. Shane resides in the heart of uptown in Oakland.

Shane’s Rule of Three: Music  • Design • Good wine

Alex Jauregui


Alex is an enthusiastic, passionate graphic design specialist and production craftsmen. Born and raised in the San Francisco Bay Area, he studied design at Sacramento State and has been working on a range of RO3 clients since early 2019. Alex’s Rule of 3: World Travel, Bay Area Sports, & Good Podcasts.

23 Madera Avenue
San Anselmo, CA 94960

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