Desiere left News Corp in early June after 22 years with the business.
Michael Healy said he is "so immensely proud of the outstanding coverage our broadcast team delivered."
Total TV National Audience of 1.414m and a BVOD audience watched the Women’s Opals Basketball team.
Last chances for Nine Olympic TV ratings bump and for viewers to see Aussie medals
On penultimate weekday coverage from Paris, 1.564m watching Nine in primetime.
The Opals defeated Serbia 85-67 in the Women’s Basketball.
Audience over 800,000 up late watching Boomers v Serbia basketball clash
The primetime evening session numbers have recovered in the past few days
Nine's combined total people primetime share hovered just over 50% for Sunday
Saturday night's average Total TV crowd watching Nine's coverage of the tennis gold medal win was 1.636m.
9Gem will feature Olympics coverage 24 hours a day with Wide World of Sports commentary.
Swimming heats included Ariarne Titmus and Katie Ledecky battle over the 800m.
The Opals defeated Canada 70-65 in the Women’s Basketball.
Penny Smith won a bronze medal in the Women’s Shooting Trap Final.