Speaking to Mediaweek ahead of the AiMCO Awards, Whitnall said the influencer marketing space continues to grow and mature.
The new partnerships follow a string of client wins and retentions.
Krawczyk moves to SeenThis from his prior position at News Corp as national head of digital client growth and capability.
"Australia consistently punches above its weight when it comes to creativity and innovation."
“We're always going to need moments that take your breath away.”
"They battled the servers, braved the Bottle-Os and got the nachos. Your nachos."
Cosstick's appointment will see co-founder and current head of strategy Will Harms formally move into the role of head of clients.
The federal government's master media account is worth between $150 to $240 million.
"We refuse to settle for the status quo."
Nominations are open from Thursday, February 1
The event will highlight the Australian agencies and brands that have delivered impactful and entertaining campaigns to the platform
"A show as epic as Gladiators deserves a larger-than-life campaign."
“In the Western Suburbs, students aren’t really into advertising.”
"The power of being given a space to share ideas and vulnerabilities was a gift."