The independent agency will build a new SEO strategy and increase organic traffic to drive performance for their clinics globally.
Crosby will oversee building and leading the commercial team to grow the business across direct and contracted clients and agencies.
El Jannah's head of marketing called the collaboration a "significant milestone in enhancing the brand's presence and digital footprint."
There has also been a "massive dip" in buying homegrown brands.
"I found that working in larger agencies, I often felt further away from working directly on client challenges."
Andy Morley said the Uber masterbrand has been "hyper-focused" on working with talents and celebrities that resonate with Australian audiences.
Australia's top campaign was FitChix for egg supplier Honest Eggs Co.
OK COOL's initial focus will be expanding its presence in Australia, New Zealand, Hong Kong, India, Singapore, and South Korea.
Jason Davey, chief experience officer at Ogilvy Network ANZ, will lead the 200 people working for Ogilvy One across AUNZ.
QMS' general manager, City of Sydney, said the numbers demonstrate why Sydney is a major event capital.
His appointment follows the merger of the two broadcast companies earlier this year.
Leilani Abels: "I know they will be making an impact for years to come and are limited by nothing at Thrive."
"Good creatives don't want to sully their book with this kind of work."
Fabulate, Born Bred Talent, Patrick Whitnall, and Dan Openshaw weigh in on the recently-released report.