Detailed Solution:
The correct answer is “Netumbo Nandi-Ndaitwah”.
On March 21, 2025, Netumbo Nandi-Ndaitwah was officially sworn in as Namibia's first female president, marking a historic milestone for the nation. Her presidency commenced on the same day as Namibia’s 35th Independence Day celebrations, symbolizing a new era of leadership and progress for the country.