Kelli Clark
Vice President - Global Head of Culture and Change



Kelli Clark is the VP, Global Head of Culture and Change at Aon. In this role, she directs the firm’s change management strategy for leadership and culture initiatives including diversity, equity and inclusion; global learning & development and colleague engagement. Through her work in this role, she empowers colleagues to work together in innovative ways to drive growth for the firm while enabling colleagues to grow into their full potential.

Under Clark’s leadership, this year, Aon’s signature cultural workshop – Leading Aon United — has been scaled to reach more than 5,000 colleagues virtually while maintaining more than 98% positive feedback from colleagues.

In addition, Clark has led her teams in the creation of new and relevant tools such as a toolkit for people managers to lead virtually, Aon’s Ally Guide, which centralizes and streamlines the full suite of Inclusion & Diversity resources and information, and the Aon IQ initiative which guides colleagues through interactive experiences to broaden their understanding of unique client solutions offered across the firm.

As Aon prepares to integrate with Willis Towers Watson, Clark serves as Aon’s Culture & Change workstream sponsor, leading efforts to shape the cultural aspirations and values of the combined firm, leadership strategies and a comprehensive understanding of colleague engagement.


Clark joined Aon in 2019 after a nearly 20-year career in a variety for industries leading culture, change and communication strategies, initiatives and teams.

Clark is a storyteller and strategist who uses her communication ability and passion for people to create thriving team cultures keeping colleagues engaged, informed and excited about their work while also serving as executive advisor to C-suite leaders.

Education and Community

Clark earned a BS in Communication from Missouri State University and a Master of International Business from Robert Gordon University in Aberdeen, Scotland.

In her free time, she enjoys traveling, running, reading, and making pancakes on Saturday mornings with her daughter. She lives in Chicago with her wife, daughter, son, and their spunky seven-pound pup, Della.