People
The people behind the work.
Cleo is founder-led and deliberately senior. The people you meet at the start of an engagement are the people accountable for it at the end.
Jason Sibley
Founder & CEO
Founder of Cleo Group. Leads strategy across the group's enterprise, small business and sports markets, and the platforms and AI capabilities behind them.
Haley Last
Enterprise accounts
Leads Cleo's enterprise client relationships — from first conversation through campaign delivery across IT, financial services and channel brands.
Russell Short
Sports accounts
Leads Cleo's sports and fan-engagement relationships, connecting clubs, rights holders and sponsors to the group's platforms.
Talk to a person, not a portal.
Every Cleo engagement has a named senior owner. Start a conversation and you will speak directly with one of us.
Contact us