Observed Signal · Sep 9, 2026 · Hiring · Source: Adweek · Impact: 1/5 · Sentiment: Positive
Leadership Appointment Market: ADWEEK Appoints Tim Hart as Chief Operating Officer
ADWEEK has appointed Tim Hart as its new Chief Operating Officer, a newly created role aimed at strengthening execution and accelerating the company's evolution into a media, events, and professional-intelligence platform. Hart, who most recently served as global COO and president U.S. at Arc, will oversee operations, strategic planning, and product and commercial coordination. He will report directly to ADWEEK CEO Will Lee. Hart brings extensive experience from global events and information-services companies, including Informa, UBM, and Emerald. CEO Lee cited Hart's background in general management, M&A, and commercial development as key assets. Hart expressed enthusiasm for joining ADWEEK and partnering with Lee to drive the next phase of growth.
Leadership change at an industry trade publication; relevant but low direct impact on AdTech operations.
Key Takeaways & Evidence Grounding
- ADWEEK has appointed Tim Hart as Chief Operating Officer, a newly created role.
- Hart previously served as Global COO and President U.S. at Arc.
- He will report to ADWEEK CEO Will Lee.
- Hart has experience at Informa, UBM, and Emerald.
- The appointment is effective as of September 2026.
Connected Companies & Entities
3 Entities mappedInforma
B2B information services group spanning publishing, events, and intent data.
“He brings extensive experience ... including Informa, UBM and Emerald....”
ADWEEK
B2B media brand covering marketing, media and advertising industries.
“ADWEEK has appointed Tim Hart as chief operating officer....”
Emerald
B2B trade show and specialist media portfolio operator.
“He brings extensive experience ... including Informa, UBM and Emerald....”
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