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Sarah Hofstetter

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Sarah Hofstetter is Co-Founder at 37Arc, bringing to the venture the deep expertise she built over more than a decade at 360i, where she rose from Chief Marketing Officer to President to CEO between 2008 and 2019. During her tenure at 360i she helped establish the agency as a benchmark for data-driven, culturally resonant digital marketing. She is now channeling that experience into building 37Arc.

Last updated Jun 11, 2026 by ATDb automated enrichment · Connections updated Jun 15, 2026

Role
Co-Founder
Company
37Arc
Based
New York, New York, United States
Boards
1
Connections
3

AI-drafted from public sources7 sources cited

Years in industry
25 years

Bio

Sarah Hofstetter is Co-Founder at 37Arc, bringing to the venture the deep expertise she built over more than a decade at 360i, where she rose from Chief Marketing Officer to President to CEO between 2008 and 2019. During her tenure at 360i she helped establish the agency as a benchmark for data-driven, culturally resonant digital marketing. She is now channeling that experience into building 37Arc.

Career

Roles with a cited source. All linked roles are in the Roles tab.

Expertise & education

Expertise

Data-Driven MarketingDigital Agency LeadershipBrand StrategyeCommerce AnalyticsAI-Powered MarketingCultural MarketingDigital TransformationCMO Advisory

Education

  • Bachelor's Degree, Binghamton University

Speaking topics

AI and the future of marketingData-driven brand strategyWomen in leadershipeCommerce and retail mediaAgency transformation and digital innovation

Recognition

Notable achievements

  • Co-founded 37Arc, an AI-focused venture aimed at transforming CMO decision-making
  • Led 360i as President and CEO, establishing it as a benchmark data-driven digital agency
  • Guided 360i through high-profile cultural moments including the Oreo 'Dunk in the Dark' Super Bowl tweet
  • Served as President of Profitero, scaling its eCommerce analytics platform globally

Awards

Ad Age Women to WatchCynopsis Top Women in Media

Publications

  • Contributor to Ad Age on marketing leadership and AI
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