At the same time, the county government announced plans to work with development partners to improve infrastructure, training and medical supplies.
The governor assured the promoted staff of his administration's full support and urged them to embrace their new roles with humility and purpose.
"This is not the end, but a new beginning. The people of Bungoma are entrusting you with their lives. Wear your new ranks with pride and lead with compassion," he said.
Lusaka also pledged to reduce maternal and child mortality in the county, saying his administration would work with all stakeholders to ensure that no mother dies while giving birth and no child loses their life due to delayed healthcare.