Colleen Fahey Rush is one of the most respected research executives in the media and advertising industry, known for her leadership in audience measurement strategy and her active role in shaping the future of TV currency. As Chief Research Officer at Paramount Global, she oversees audience measurement, advertising research, and data strategy across one of the largest media portfolios in the world — spanning linear TV, streaming, and digital properties. Her work is central to how Paramount positions itself in the ongoing industry debate over transitioning from Nielsen's legacy currency to alternative measurement solutions. Fahey Rush has been a consistent advocate for rigorous, cross-platform measurement standards and has represented Paramount's interests in major industry bodies working to modernize how audiences are counted and monetized. She has been deeply involved in initiatives around cross-platform video measurement, CTV advertising effectiveness, and the evaluation of emerging measurement currencies as the industry grapples with fragmentation across linear, streaming, and digital video. Her ability to translate complex data science and measurement methodology into actionable business strategy has made her a trusted voice among both buyers and sellers in the advertising ecosystem. With a career spanning more than two decades in media research, Fahey Rush has held senior research roles at Viacom prior to its merger with CBS to form Paramount Global, building deep institutional knowledge of audience analytics and advertising science. She is a frequent speaker at major industry conferences including the ARF, VAB events, and measurement-focused summits, where she addresses topics ranging from the deprecation of legacy TV metrics to the promise and limitations of big data in audience measurement.
Last updated Jun 11, 2026 by ATDb automated enrichment
- Years in industry
- 25 years
Bio
Colleen Fahey Rush is one of the most respected research executives in the media and advertising industry, known for her leadership in audience measurement strategy and her active role in shaping the future of TV currency. As Chief Research Officer at Paramount Global, she oversees audience measurement, advertising research, and data strategy across one of the largest media portfolios in the world — spanning linear TV, streaming, and digital properties. Her work is central to how Paramount positions itself in the ongoing industry debate over transitioning from Nielsen's legacy currency to alternative measurement solutions. Fahey Rush has been a consistent advocate for rigorous, cross-platform measurement standards and has represented Paramount's interests in major industry bodies working to modernize how audiences are counted and monetized. She has been deeply involved in initiatives around cross-platform video measurement, CTV advertising effectiveness, and the evaluation of emerging measurement currencies as the industry grapples with fragmentation across linear, streaming, and digital video. Her ability to translate complex data science and measurement methodology into actionable business strategy has made her a trusted voice among both buyers and sellers in the advertising ecosystem. With a career spanning more than two decades in media research, Fahey Rush has held senior research roles at Viacom prior to its merger with CBS to form Paramount Global, building deep institutional knowledge of audience analytics and advertising science. She is a frequent speaker at major industry conferences including the ARF, VAB events, and measurement-focused summits, where she addresses topics ranging from the deprecation of legacy TV metrics to the promise and limitations of big data in audience measurement.
Career
Executive Vice President, Research & Insights
Viacom · prior to 2019
Senior Research Leadership Roles
Viacom Media Networks · 2000s-2019
Board memberships
Expertise & education
Expertise
Speaking topics
Recognition
Notable achievements
- Led Paramount Global's research and measurement strategy through the industry's most significant currency transition debate, evaluating and piloting alternative measurement providers
- Represented Paramount in major industry coalitions working to establish new cross-platform video measurement standards
- Oversaw audience research across Paramount's full portfolio including CBS, MTV, Nickelodeon, BET, Paramount+, and Pluto TV
- Long-tenured research executive who helped build Viacom's research capabilities before and through its merger with CBS