The move coincides with the imminent departure of Ryan Haeusler in October.
The holdco is reportedly in talks to sell the agency to Indian consultancy giant, TCS.
Skelsey's decision follows the departure of former Huge CEO Mat Baxter, who spent 14 years with IPG.
Attivo owns 303 MullenLowe in Australia and shares ownership of Mediahub Australia with IPG's Mediabrands Australia.
The program continues to be powered by partnerships with key cancer research bodies and influencers
Entrants will be briefed to create a culture-defying campaign for everyone living and working with cancer
The research explores the cultural conversations around sustainability and how it is discussed in Australia
• Gill will also retain his Matterkind leadership role
• Plus: IPG H1 2022 results
• APAC reported an organic increase of 9.2% to AUD $246 million (USD $174.6 million)
• Each agency revealed their plans to support their employees both in Russia and Ukraine
• AkzoNobel owns brands such as Dulux, Sikkens, Hammerite and Alabastine
• CEO of IPG Philippe Krakowsky: "Our strong performance reflects more than the cyclical economic recovery"
• They will create content for BMW and MINI's media requirements