The appointments come as New Zealand’s national carrier deals with delayed aircraft deliveries, ongoing engine issues and higher fuel costs.
The appointment marks Naismith’s return to Ford, where he spent more than eight years between 1998 and 2006 in finance and management roles.
Cottingham brings more than 25 years of professional services experience across London and New Zealand, with senior leadership roles at KPMG and PwC.
The move is aimed at helping the beverages business respond to changing market conditions while creating more growth opportunities for customers.
The Wage Price Index (WPI) rose 0.8% over the quarter, taking annual growth slightly below the 3.4% recorded a year earlier.