Jillian Janaczek
Jillian Janaczek is the CEO Americas of FleishmanHillard.
Last updated Oct 7, 2026 by the ATDb Editorial Team
AI-drafted from public sources7 sources cited
Bio
Jillian Janaczek is the CEO Americas of FleishmanHillard. Janaczek previously served as CEO of Porter Novelli before assuming the Americas CEO role at FleishmanHillard, reporting to global CEO J.J. Carter. OPR CEO Chris Foster noted that FleishmanHillard and Porter Novelli are uniquely aligned given both firms' focus on corporate affairs, ESG, and reputation. Source 1: humantic.ai — Humantic AI Profile for Jillian Janaczek, CEO Americas ... Source 2: mmm-online.com — Omnicom Public Relations unveils restructured agency ...
Career
CEO, AmericasCurrent
FleishmanHillard · Since 2026
CEO
Porter Novelli · 2023–2026
Employee
Porter Novelli · From 2023
Roles with a cited source. All linked roles are in the Roles tab.